diff --git a/Documentation/DMA-attributes.txt b/Documentation/DMA-attributes.txt
index 7193505a98ca..8f8d97f65d73 100644
--- a/Documentation/DMA-attributes.txt
+++ b/Documentation/DMA-attributes.txt
@@ -156,13 +156,3 @@ accesses to DMA buffers in both privileged "supervisor" and unprivileged
subsystem that the buffer is fully accessible at the elevated privilege
level (and ideally inaccessible or at least read-only at the
lesser-privileged levels).
-
-DMA_ATTR_PRIVILEGED
--------------------
-
-Some advanced peripherals such as remote processors and GPUs perform
-accesses to DMA buffers in both privileged "supervisor" and unprivileged
-"user" modes. This attribute is used to indicate to the DMA-mapping
-subsystem that the buffer is fully accessible at the elevated privilege
-level (and ideally inaccessible or at least read-only at the
-lesser-privileged levels).
diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst
index fb56297f70dc..857be0d44e80 100644
--- a/Documentation/process/submitting-patches.rst
+++ b/Documentation/process/submitting-patches.rst
@@ -133,7 +133,7 @@ as you intend it to.
The maintainer will thank you if you write your patch description in a
form which can be easily pulled into Linux's source code management
-system, ``git``, as a "commit log". See :ref:`explicit_in_reply_to`.
+system, ``git``, as a "commit log". See :ref:`the_canonical_patch_format`.
Solve only one problem per patch. If your description starts to get
long, that's a sign that you probably need to split up your patch.
diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst
index 58a12376b7df..94db75ba7fbe 100644
--- a/Documentation/vm/memory-model.rst
+++ b/Documentation/vm/memory-model.rst
@@ -52,8 +52,7 @@ wrapper :c:func:`free_area_init`. Yet, the mappings array is not
usable until the call to :c:func:`memblock_free_all` that hands all
the memory to the page allocator.
-If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option,
-it may free parts of the `mem_map` array that do not cover the
+An architecture may free parts of the `mem_map` array that do not cover the
actual physical pages. In such case, the architecture specific
:c:func:`pfn_valid` implementation should take the holes in the
`mem_map` into account.
diff --git a/Makefile b/Makefile
index 0e4d5580e2ac..d75e95add5dc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 191
+SUBLEVEL = 197
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/android/GKI_VERSION b/android/GKI_VERSION
index 8918da090555..efe4c8c37aea 100644
--- a/android/GKI_VERSION
+++ b/android/GKI_VERSION
@@ -1 +1 @@
-LTS_5.4.191_375c2e2cdbdb
+LTS_5.4.197_3970bc62738d
diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml
index 418e0aa0fdcb..de2a9f33949e 100644
--- a/android/abi_gki_aarch64.xml
+++ b/android/abi_gki_aarch64.xml
@@ -2160,6 +2160,7 @@
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diff --git a/android/abi_gki_aarch64_375c2e2cdbdb.xml b/android/abi_gki_aarch64_3970bc62738d.xml
similarity index 99%
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rename to android/abi_gki_aarch64_3970bc62738d.xml
index acc506957003..89eaf389b101 100644
--- a/android/abi_gki_aarch64_375c2e2cdbdb.xml
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-
-
-
-
-
+
+
+
+
+
diff --git a/android/abi_gki_aarch64_qcom b/android/abi_gki_aarch64_qcom
index 137419b0dbcb..e9d1844fd692 100644
--- a/android/abi_gki_aarch64_qcom
+++ b/android/abi_gki_aarch64_qcom
@@ -2870,6 +2870,7 @@
vmalloc_to_page
vmalloc_user
vmap
+ vmemdup_user
vmemmap
vmf_insert_mixed
vmf_insert_pfn
diff --git a/android/abi_gki_aarch64_sony b/android/abi_gki_aarch64_sony
index 56b2907b0503..bdbb87d216bc 100644
--- a/android/abi_gki_aarch64_sony
+++ b/android/abi_gki_aarch64_sony
@@ -158,3 +158,6 @@
# required by ledtrig_transient.ko
led_set_brightness_nosleep
+
+# required by sec_touchscreen.ko
+ input_set_timestamp
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4f0ccc13840e..50613ad3b8a6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -27,7 +27,7 @@ config ARM
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_GCOV_PROFILE_ALL
- select ARCH_KEEP_MEMBLOCK if HAVE_ARCH_PFN_VALID || KEXEC
+ select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_NO_SG_CHAIN if !ARM_HAS_SG_CHAIN
select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
@@ -549,7 +549,6 @@ config ARCH_S3C24XX
config ARCH_OMAP1
bool "TI OMAP1"
depends on MMU
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_OMAP
select CLKDEV_LOOKUP
select CLKSRC_MMIO
@@ -1547,9 +1546,6 @@ config OABI_COMPAT
UNPREDICTABLE (in fact it can be predicted that it won't work
at all). If in doubt say N.
-config ARCH_HAS_HOLES_MEMORYMODEL
- bool
-
config ARCH_SPARSEMEM_ENABLE
bool
@@ -1557,7 +1553,7 @@ config ARCH_SPARSEMEM_DEFAULT
def_bool ARCH_SPARSEMEM_ENABLE
config HAVE_ARCH_PFN_VALID
- def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
+ def_bool y
config HIGHMEM
bool "High Memory Support"
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index a1fd3e63e86e..3db30ce134b9 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -160,6 +160,8 @@
/* HS USB Host PHY on PORT 1 */
hsusb1_phy: hsusb1_phy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsusb1_rst_pins>;
compatible = "usb-nop-xceiv";
reset-gpios = <&gpio2 25 GPIO_ACTIVE_LOW>; /* gpio_57 */
#phy-cells = <0>;
@@ -167,7 +169,9 @@
};
&davinci_emac {
- status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <ðernet_pins>;
+ status = "okay";
};
&davinci_mdio {
@@ -192,6 +196,8 @@
};
&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
clock-frequency = <400000>;
/* User DIP swithes [1:8] / User LEDS [1:2] */
tca6416: gpio@21 {
@@ -204,6 +210,8 @@
};
&i2c3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
clock-frequency = <400000>;
};
@@ -222,6 +230,8 @@
};
&usbhshost {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsusb1_pins>;
port1-mode = "ehci-phy";
};
@@ -230,8 +240,35 @@
};
&omap3_pmx_core {
- pinctrl-names = "default";
- pinctrl-0 = <&hsusb1_rst_pins>;
+
+ ethernet_pins: pinmux_ethernet_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x21fe, PIN_INPUT | MUX_MODE0) /* rmii_mdio_data */
+ OMAP3_CORE1_IOPAD(0x2200, MUX_MODE0) /* rmii_mdio_clk */
+ OMAP3_CORE1_IOPAD(0x2202, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii_rxd0 */
+ OMAP3_CORE1_IOPAD(0x2204, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii_rxd1 */
+ OMAP3_CORE1_IOPAD(0x2206, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii_crs_dv */
+ OMAP3_CORE1_IOPAD(0x2208, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* rmii_rxer */
+ OMAP3_CORE1_IOPAD(0x220a, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* rmii_txd0 */
+ OMAP3_CORE1_IOPAD(0x220c, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* rmii_txd1 */
+ OMAP3_CORE1_IOPAD(0x220e, PIN_OUTPUT_PULLDOWN |MUX_MODE0) /* rmii_txen */
+ OMAP3_CORE1_IOPAD(0x2210, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii_50mhz_clk */
+ >;
+ };
+
+ i2c2_pins: pinmux_i2c2_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x21be, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c2_scl */
+ OMAP3_CORE1_IOPAD(0x21c0, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c2_sda */
+ >;
+ };
+
+ i2c3_pins: pinmux_i2c3_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x21c2, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_scl */
+ OMAP3_CORE1_IOPAD(0x21c4, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_sda */
+ >;
+ };
leds_pins: pinmux_leds_pins {
pinctrl-single,pins = <
@@ -299,8 +336,6 @@
};
&omap3_pmx_core2 {
- pinctrl-names = "default";
- pinctrl-0 = <&hsusb1_pins>;
hsusb1_pins: pinmux_hsusb1_pins {
pinctrl-single,pins = <
diff --git a/arch/arm/boot/dts/am3517-som.dtsi b/arch/arm/boot/dts/am3517-som.dtsi
index 8b669e2eafec..f7b680f6c48a 100644
--- a/arch/arm/boot/dts/am3517-som.dtsi
+++ b/arch/arm/boot/dts/am3517-som.dtsi
@@ -69,6 +69,8 @@
};
&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
clock-frequency = <400000>;
s35390a: s35390a@30 {
@@ -179,6 +181,13 @@
&omap3_pmx_core {
+ i2c1_pins: pinmux_i2c1_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl */
+ OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda */
+ >;
+ };
+
wl12xx_buffer_pins: pinmux_wl12xx_buffer_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2156, PIN_OUTPUT | MUX_MODE4) /* mmc1_dat7.gpio_129 */
diff --git a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
index f310f4d3bcc7..ac723fe898c7 100644
--- a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
@@ -117,11 +117,6 @@
groups = "FWSPID";
};
- pinctrl_fwqspid_default: fwqspid_default {
- function = "FWSPID";
- groups = "FWQSPID";
- };
-
pinctrl_fwspiwp_default: fwspiwp_default {
function = "FWSPIWP";
groups = "FWSPIWP";
@@ -653,12 +648,12 @@
};
pinctrl_qspi1_default: qspi1_default {
- function = "QSPI1";
+ function = "SPI1";
groups = "QSPI1";
};
pinctrl_qspi2_default: qspi2_default {
- function = "QSPI2";
+ function = "SPI2";
groups = "QSPI2";
};
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index bda22700110c..287566e09a67 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -217,6 +217,12 @@
wm8731: wm8731@1b {
compatible = "wm8731";
reg = <0x1b>;
+
+ /* PCK0 at 12MHz */
+ clocks = <&pmc PMC_TYPE_SYSTEM 8>;
+ clock-names = "mclk";
+ assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
+ assigned-clock-rates = <12000000>;
};
};
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 7c4ad541c3f5..b165bd6ea53b 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -314,6 +314,8 @@
codec: sgtl5000@a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sgtl5000>;
clocks = <&clks IMX6QDL_CLK_CKO>;
VDDA-supply = <®_module_3v3_audio>;
VDDIO-supply = <®_module_3v3>;
@@ -543,8 +545,6 @@
MX6QDL_PAD_DISP0_DAT21__AUD4_TXD 0x130b0
MX6QDL_PAD_DISP0_DAT22__AUD4_TXFS 0x130b0
MX6QDL_PAD_DISP0_DAT23__AUD4_RXD 0x130b0
- /* SGTL5000 sys_mclk */
- MX6QDL_PAD_GPIO_5__CCM_CLKO1 0x130b0
>;
};
@@ -810,6 +810,12 @@
>;
};
+ pinctrl_sgtl5000: sgtl5000grp {
+ fsl,pins = <
+ MX6QDL_PAD_GPIO_5__CCM_CLKO1 0x130b0
+ >;
+ };
+
pinctrl_spdif: spdifgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_16__SPDIF_IN 0x1b0b0
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi
index d56728f03c35..c83323b9ea53 100644
--- a/arch/arm/boot/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi
@@ -37,7 +37,7 @@
reg_sd1_vmmc: regulator-sd1-vmmc {
compatible = "regulator-gpio";
- gpio = <&gpio5 9 GPIO_ACTIVE_HIGH>;
+ gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_snvs_reg_sd>;
regulator-always-on;
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 8bba03de51ad..1e61e3862106 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -77,7 +77,7 @@
dailink_master: simple-audio-card,codec {
sound-dai = <&codec>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
};
};
};
@@ -152,7 +152,7 @@
compatible = "fsl,sgtl5000";
#sound-dai-cells = <0>;
reg = <0x0a>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai1_mclk>;
VDDA-supply = <®_module_3v3_avdd>;
diff --git a/arch/arm/boot/dts/imx7-mba7.dtsi b/arch/arm/boot/dts/imx7-mba7.dtsi
index 50abf18ad30b..887497e3bb4b 100644
--- a/arch/arm/boot/dts/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/imx7-mba7.dtsi
@@ -250,7 +250,7 @@
tlv320aic32x4: audio-codec@18 {
compatible = "ti,tlv320aic32x4";
reg = <0x18>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
clock-names = "mclk";
ldoin-supply = <®_audio_3v3>;
iov-supply = <®_audio_3v3>;
diff --git a/arch/arm/boot/dts/imx7d-nitrogen7.dts b/arch/arm/boot/dts/imx7d-nitrogen7.dts
index 6b4acea1ef79..ecfa179ccab1 100644
--- a/arch/arm/boot/dts/imx7d-nitrogen7.dts
+++ b/arch/arm/boot/dts/imx7d-nitrogen7.dts
@@ -284,7 +284,7 @@
codec: wm8960@1a {
compatible = "wlf,wm8960";
reg = <0x1a>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
clock-names = "mclk";
wlf,shared-lrclk;
};
diff --git a/arch/arm/boot/dts/imx7d-pico-hobbit.dts b/arch/arm/boot/dts/imx7d-pico-hobbit.dts
index 7b2198a9372c..d917dc4f2f22 100644
--- a/arch/arm/boot/dts/imx7d-pico-hobbit.dts
+++ b/arch/arm/boot/dts/imx7d-pico-hobbit.dts
@@ -31,7 +31,7 @@
dailink_master: simple-audio-card,codec {
sound-dai = <&sgtl5000>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
};
};
};
@@ -41,7 +41,7 @@
#sound-dai-cells = <0>;
reg = <0x0a>;
compatible = "fsl,sgtl5000";
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
VDDA-supply = <®_2p5v>;
VDDIO-supply = <®_vref_1v8>;
};
diff --git a/arch/arm/boot/dts/imx7d-pico-pi.dts b/arch/arm/boot/dts/imx7d-pico-pi.dts
index 70bea95c06d8..f263e391e24c 100644
--- a/arch/arm/boot/dts/imx7d-pico-pi.dts
+++ b/arch/arm/boot/dts/imx7d-pico-pi.dts
@@ -31,7 +31,7 @@
dailink_master: simple-audio-card,codec {
sound-dai = <&sgtl5000>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
};
};
};
@@ -41,7 +41,7 @@
#sound-dai-cells = <0>;
reg = <0x0a>;
compatible = "fsl,sgtl5000";
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
VDDA-supply = <®_2p5v>;
VDDIO-supply = <®_vref_1v8>;
};
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 869efbc4af42..a97cda17e484 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -356,7 +356,7 @@
codec: wm8960@1a {
compatible = "wlf,wm8960";
reg = <0x1a>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
clock-names = "mclk";
wlf,shared-lrclk;
};
diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index d6b4888fa686..e035dd5bf4f6 100644
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -75,7 +75,7 @@
dailink_master: simple-audio-card,codec {
sound-dai = <&codec>;
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
};
};
};
@@ -232,7 +232,7 @@
#sound-dai-cells = <0>;
reg = <0x0a>;
compatible = "fsl,sgtl5000";
- clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai1_mclk>;
VDDA-supply = <&vgen4_reg>;
diff --git a/arch/arm/boot/dts/logicpd-som-lv-35xx-devkit.dts b/arch/arm/boot/dts/logicpd-som-lv-35xx-devkit.dts
index f7a841a28865..270e4986b6e6 100644
--- a/arch/arm/boot/dts/logicpd-som-lv-35xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-som-lv-35xx-devkit.dts
@@ -11,3 +11,18 @@
model = "LogicPD Zoom OMAP35xx SOM-LV Development Kit";
compatible = "logicpd,dm3730-som-lv-devkit", "ti,omap3";
};
+
+&omap3_pmx_core2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsusb2_2_pins>;
+ hsusb2_2_pins: pinmux_hsusb2_2_pins {
+ pinctrl-single,pins = <
+ OMAP3430_CORE2_IOPAD(0x25f0, PIN_OUTPUT | MUX_MODE3) /* etk_d10.hsusb2_clk */
+ OMAP3430_CORE2_IOPAD(0x25f2, PIN_OUTPUT | MUX_MODE3) /* etk_d11.hsusb2_stp */
+ OMAP3430_CORE2_IOPAD(0x25f4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d12.hsusb2_dir */
+ OMAP3430_CORE2_IOPAD(0x25f6, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d13.hsusb2_nxt */
+ OMAP3430_CORE2_IOPAD(0x25f8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d14.hsusb2_data0 */
+ OMAP3430_CORE2_IOPAD(0x25fa, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d15.hsusb2_data1 */
+ >;
+ };
+};
diff --git a/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts
index a604d92221a4..c757f0d7781c 100644
--- a/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts
@@ -11,3 +11,18 @@
model = "LogicPD Zoom DM3730 SOM-LV Development Kit";
compatible = "logicpd,dm3730-som-lv-devkit", "ti,omap3630", "ti,omap3";
};
+
+&omap3_pmx_core2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsusb2_2_pins>;
+ hsusb2_2_pins: pinmux_hsusb2_2_pins {
+ pinctrl-single,pins = <
+ OMAP3630_CORE2_IOPAD(0x25f0, PIN_OUTPUT | MUX_MODE3) /* etk_d10.hsusb2_clk */
+ OMAP3630_CORE2_IOPAD(0x25f2, PIN_OUTPUT | MUX_MODE3) /* etk_d11.hsusb2_stp */
+ OMAP3630_CORE2_IOPAD(0x25f4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d12.hsusb2_dir */
+ OMAP3630_CORE2_IOPAD(0x25f6, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d13.hsusb2_nxt */
+ OMAP3630_CORE2_IOPAD(0x25f8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d14.hsusb2_data0 */
+ OMAP3630_CORE2_IOPAD(0x25fa, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d15.hsusb2_data1 */
+ >;
+ };
+};
diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi
index b56524cc7fe2..55b619c99e24 100644
--- a/arch/arm/boot/dts/logicpd-som-lv.dtsi
+++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi
@@ -265,21 +265,6 @@
};
};
-&omap3_pmx_core2 {
- pinctrl-names = "default";
- pinctrl-0 = <&hsusb2_2_pins>;
- hsusb2_2_pins: pinmux_hsusb2_2_pins {
- pinctrl-single,pins = <
- OMAP3630_CORE2_IOPAD(0x25f0, PIN_OUTPUT | MUX_MODE3) /* etk_d10.hsusb2_clk */
- OMAP3630_CORE2_IOPAD(0x25f2, PIN_OUTPUT | MUX_MODE3) /* etk_d11.hsusb2_stp */
- OMAP3630_CORE2_IOPAD(0x25f4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d12.hsusb2_dir */
- OMAP3630_CORE2_IOPAD(0x25f6, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d13.hsusb2_nxt */
- OMAP3630_CORE2_IOPAD(0x25f8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d14.hsusb2_data0 */
- OMAP3630_CORE2_IOPAD(0x25fa, PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d15.hsusb2_data1 */
- >;
- };
-};
-
&uart2 {
interrupts-extended = <&intc 73 &omap3_pmx_core OMAP3_UART2_RX>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index 186b2af7743e..089e9f1f442b 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -31,6 +31,8 @@
aliases {
display0 = &lcd;
display1 = &tv0;
+ /delete-property/ mmc2;
+ /delete-property/ mmc3;
};
ldo_3v3: fixedregulator {
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index dc4d18ec0ba3..deaea730d838 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -480,6 +480,9 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr);
extern int valid_phys_addr_range(phys_addr_t addr, size_t size);
extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
extern int devmem_is_allowed(unsigned long pfn);
+extern bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
+ unsigned long flags);
+#define arch_memremap_can_ram_remap arch_memremap_can_ram_remap
#endif
/*
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 3d65fa56a0e5..8e8efe28d799 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -1043,7 +1043,7 @@ vector_bhb_loop8_\name:
@ bhb workaround
mov r0, #8
-3: b . + 4
+3: W(b) . + 4
subs r0, r0, #1
bne 3b
dsb
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index db798eac7431..824774999825 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -53,17 +53,17 @@ int notrace unwind_frame(struct stackframe *frame)
return -EINVAL;
frame->sp = frame->fp;
- frame->fp = *(unsigned long *)(fp);
- frame->pc = *(unsigned long *)(fp + 4);
+ frame->fp = READ_ONCE_NOCHECK(*(unsigned long *)(fp));
+ frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp + 4));
#else
/* check current frame pointer is within bounds */
if (fp < low + 12 || fp > high - 4)
return -EINVAL;
/* restore the registers from the stack frame */
- frame->fp = *(unsigned long *)(fp - 12);
- frame->sp = *(unsigned long *)(fp - 8);
- frame->pc = *(unsigned long *)(fp - 4);
+ frame->fp = READ_ONCE_NOCHECK(*(unsigned long *)(fp - 12));
+ frame->sp = READ_ONCE_NOCHECK(*(unsigned long *)(fp - 8));
+ frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp - 4));
#endif
return 0;
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 5e5f1fabc3d4..634d1bc3c011 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -214,7 +214,6 @@ config ARCH_BRCMSTB
select HAVE_ARM_ARCH_TIMER
select BRCMSTB_L2_IRQ
select BCM7120_L2_IRQ
- select ARCH_HAS_HOLES_MEMORYMODEL
select ZONE_DMA if ARM_LPAE
select SOC_BRCMSTB
select SOC_BUS
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 02b180ad7245..4d3b7d0418c4 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -5,7 +5,6 @@ menuconfig ARCH_DAVINCI
depends on ARCH_MULTI_V5
select DAVINCI_TIMER
select ZONE_DMA
- select ARCH_HAS_HOLES_MEMORYMODEL
select PM_GENERIC_DOMAINS if PM
select PM_GENERIC_DOMAINS_OF if PM && OF
select REGMAP_MMIO
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 9dab1f50a02f..fc01137628e4 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -8,7 +8,6 @@
menuconfig ARCH_EXYNOS
bool "Samsung EXYNOS"
depends on ARCH_MULTI_V7
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_GIC
diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig
index 1bc68913d62c..9de38ce8124f 100644
--- a/arch/arm/mach-highbank/Kconfig
+++ b/arch/arm/mach-highbank/Kconfig
@@ -2,7 +2,6 @@
config ARCH_HIGHBANK
bool "Calxeda ECX-1000/2000 (Highbank/Midway)"
depends on ARCH_MULTI_V7
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_ERRATA_764369 if SMP
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index fdb6743760a2..0211f4aa8cc7 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -94,7 +94,7 @@ config SOC_DRA7XX
config ARCH_OMAP2PLUS
bool
select ARCH_HAS_BANDGAP
- select ARCH_HAS_HOLES_MEMORYMODEL
+ select ARCH_HAS_RESET_CONTROLLER
select ARCH_OMAP
select CLKSRC_MMIO
select GENERIC_IRQ_CHIP
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 5c3845730dbf..0b80f8bcd304 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -314,10 +314,12 @@ void __init omap_gic_of_init(void)
np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic");
gic_dist_base_addr = of_iomap(np, 0);
+ of_node_put(np);
WARN_ON(!gic_dist_base_addr);
np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-twd-timer");
twd_base = of_iomap(np, 0);
+ of_node_put(np);
WARN_ON(!twd_base);
skip_errata_init:
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 03984a791879..69ff1bb89f38 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -8,7 +8,6 @@
config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
depends on ARCH_MULTI_V7
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARM_VIC
select CLKSRC_SAMSUNG_PWM
select COMMON_CLK_SAMSUNG
diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig
index 25b2fd434861..a9eeda36aeb1 100644
--- a/arch/arm/mach-tango/Kconfig
+++ b/arch/arm/mach-tango/Kconfig
@@ -3,7 +3,6 @@ config ARCH_TANGO
bool "Sigma Designs Tango4 (SMP87xx)"
depends on ARCH_MULTI_V7
# Cortex-A9 MPCore r3p0, PL310 r3p2
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARM_ERRATA_754322
select ARM_ERRATA_764369 if SMP
select ARM_ERRATA_775420
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 1a80ddabf889..2d63f1010c64 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -508,3 +508,11 @@ void __init early_ioremap_init(void)
{
early_ioremap_setup();
}
+
+bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
+ unsigned long flags)
+{
+ unsigned long pfn = PHYS_PFN(offset);
+
+ return memblock_is_map_memory(pfn);
+}
diff --git a/arch/arm/mm/proc-v7-bugs.c b/arch/arm/mm/proc-v7-bugs.c
index 097ef85bb7f2..bcb9181601d9 100644
--- a/arch/arm/mm/proc-v7-bugs.c
+++ b/arch/arm/mm/proc-v7-bugs.c
@@ -301,6 +301,7 @@ void cpu_v7_ca15_ibe(void)
{
if (check_spectre_auxcr(this_cpu_ptr(&spectre_warned), BIT(0)))
cpu_v7_spectre_v2_init();
+ cpu_v7_spectre_bhb_init();
}
void cpu_v7_bugs_init(void)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi
index d61f43052a34..8e9ad1e51d66 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi
@@ -11,26 +11,6 @@
compatible = "operating-points-v2";
opp-shared;
- opp-100000000 {
- opp-hz = /bits/ 64 <100000000>;
- opp-microvolt = <731000>;
- };
-
- opp-250000000 {
- opp-hz = /bits/ 64 <250000000>;
- opp-microvolt = <731000>;
- };
-
- opp-500000000 {
- opp-hz = /bits/ 64 <500000000>;
- opp-microvolt = <731000>;
- };
-
- opp-667000000 {
- opp-hz = /bits/ 64 <667000000>;
- opp-microvolt = <731000>;
- };
-
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <761000>;
@@ -71,26 +51,6 @@
compatible = "operating-points-v2";
opp-shared;
- opp-100000000 {
- opp-hz = /bits/ 64 <100000000>;
- opp-microvolt = <731000>;
- };
-
- opp-250000000 {
- opp-hz = /bits/ 64 <250000000>;
- opp-microvolt = <731000>;
- };
-
- opp-500000000 {
- opp-hz = /bits/ 64 <500000000>;
- opp-microvolt = <731000>;
- };
-
- opp-667000000 {
- opp-hz = /bits/ 64 <667000000>;
- opp-microvolt = <731000>;
- };
-
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <731000>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi
index 046cc332d07f..f2543da63c39 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi
@@ -11,26 +11,6 @@
compatible = "operating-points-v2";
opp-shared;
- opp-100000000 {
- opp-hz = /bits/ 64 <100000000>;
- opp-microvolt = <731000>;
- };
-
- opp-250000000 {
- opp-hz = /bits/ 64 <250000000>;
- opp-microvolt = <731000>;
- };
-
- opp-500000000 {
- opp-hz = /bits/ 64 <500000000>;
- opp-microvolt = <731000>;
- };
-
- opp-667000000 {
- opp-hz = /bits/ 64 <667000000>;
- opp-microvolt = <731000>;
- };
-
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <731000>;
@@ -71,26 +51,6 @@
compatible = "operating-points-v2";
opp-shared;
- opp-100000000 {
- opp-hz = /bits/ 64 <100000000>;
- opp-microvolt = <751000>;
- };
-
- opp-250000000 {
- opp-hz = /bits/ 64 <250000000>;
- opp-microvolt = <751000>;
- };
-
- opp-500000000 {
- opp-hz = /bits/ 64 <500000000>;
- opp-microvolt = <751000>;
- };
-
- opp-667000000 {
- opp-hz = /bits/ 64 <667000000>;
- opp-microvolt = <751000>;
- };
-
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <771000>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
index 8ba3555ca369..dd62a608c805 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
@@ -55,26 +55,6 @@
compatible = "operating-points-v2";
opp-shared;
- opp-100000000 {
- opp-hz = /bits/ 64 <100000000>;
- opp-microvolt = <730000>;
- };
-
- opp-250000000 {
- opp-hz = /bits/ 64 <250000000>;
- opp-microvolt = <730000>;
- };
-
- opp-500000000 {
- opp-hz = /bits/ 64 <500000000>;
- opp-microvolt = <730000>;
- };
-
- opp-667000000 {
- opp-hz = /bits/ 64 <666666666>;
- opp-microvolt = <750000>;
- };
-
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <770000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
index 9ad1d43b8ce7..4fa39654b695 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
@@ -213,6 +213,10 @@
interrupts = <3 GPIO_ACTIVE_LOW>;
rohm,reset-snvs-powered;
+ #clock-cells = <0>;
+ clocks = <&osc_32k 0>;
+ clock-output-names = "clk-32k-out";
+
regulators {
buck1_reg: BUCK1 {
regulator-name = "BUCK1";
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 323cb306bd28..8ac55ff3094a 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -204,4 +204,8 @@ extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
extern int devmem_is_allowed(unsigned long pfn);
+extern bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
+ unsigned long flags);
+#define arch_memremap_can_ram_remap arch_memremap_can_ram_remap
+
#endif /* __ASM_IO_H */
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index bcb14d11232f..fbf66e0973aa 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -59,6 +59,7 @@ struct insn_emulation {
static LIST_HEAD(insn_emulation);
static int nr_insn_emulated __initdata;
static DEFINE_RAW_SPINLOCK(insn_emulation_lock);
+static DEFINE_MUTEX(insn_emulation_mutex);
static void register_emulation_hooks(struct insn_emulation_ops *ops)
{
@@ -207,10 +208,10 @@ static int emulation_proc_handler(struct ctl_table *table, int write,
loff_t *ppos)
{
int ret = 0;
- struct insn_emulation *insn = (struct insn_emulation *) table->data;
+ struct insn_emulation *insn = container_of(table->data, struct insn_emulation, current_mode);
enum insn_emulation_mode prev_mode = insn->current_mode;
- table->data = &insn->current_mode;
+ mutex_lock(&insn_emulation_mutex);
ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
if (ret || !write || prev_mode == insn->current_mode)
@@ -223,7 +224,7 @@ static int emulation_proc_handler(struct ctl_table *table, int write,
update_insn_emulation_mode(insn, INSN_UNDEF);
}
ret:
- table->data = insn;
+ mutex_unlock(&insn_emulation_mutex);
return ret;
}
@@ -247,7 +248,7 @@ static void __init register_insn_emulation_sysctl(void)
sysctl->maxlen = sizeof(int);
sysctl->procname = insn->ops->name;
- sysctl->data = insn;
+ sysctl->data = &insn->current_mode;
sysctl->extra1 = &insn->min;
sysctl->extra2 = &insn->max;
sysctl->proc_handler = emulation_proc_handler;
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index 9be71bee902c..8dac7fcfb4bd 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -13,6 +13,7 @@
#include
#include
#include
+#include
#include
#include
@@ -100,3 +101,11 @@ void __init early_ioremap_init(void)
{
early_ioremap_setup();
}
+
+bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
+ unsigned long flags)
+{
+ unsigned long pfn = PHYS_PFN(offset);
+
+ return memblock_is_map_memory(pfn);
+}
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 2f81a94c71a6..7aee9ff19c1a 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -167,7 +167,7 @@ void __init plat_mem_setup(void)
dtb = phys_to_virt(fw_arg2);
else if (fw_passed_dtb) /* UHI interface or appended dtb */
dtb = (void *)fw_passed_dtb;
- else if (__dtb_start != __dtb_end)
+ else if (&__dtb_start != &__dtb_end)
dtb = (void *)__dtb_start;
else
panic("no dtb found");
diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h
index b05bb70a2e46..8026baf46e72 100644
--- a/arch/mips/include/asm/timex.h
+++ b/arch/mips/include/asm/timex.h
@@ -40,9 +40,9 @@
typedef unsigned int cycles_t;
/*
- * On R4000/R4400 before version 5.0 an erratum exists such that if the
- * cycle counter is read in the exact moment that it is matching the
- * compare register, no interrupt will be generated.
+ * On R4000/R4400 an erratum exists such that if the cycle counter is
+ * read in the exact moment that it is matching the compare register,
+ * no interrupt will be generated.
*
* There is a suggested workaround and also the erratum can't strike if
* the compare interrupt isn't being used as the clock source device.
@@ -63,7 +63,7 @@ static inline int can_use_mips_counter(unsigned int prid)
if (!__builtin_constant_p(cpu_has_counter))
asm volatile("" : "=m" (cpu_data[0].options));
if (likely(cpu_has_counter &&
- prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0))))
+ prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15))))
return 1;
else
return 0;
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
index dc8ee21e0948..45e327960a46 100644
--- a/arch/mips/jz4740/setup.c
+++ b/arch/mips/jz4740/setup.c
@@ -61,7 +61,7 @@ void __init plat_mem_setup(void)
jz4740_reset_init();
- if (__dtb_start != __dtb_end)
+ if (&__dtb_start != &__dtb_end)
dtb = __dtb_start;
else
dtb = (void *)fw_passed_dtb;
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index caa01457dce6..ed339d7979f3 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -141,15 +141,10 @@ static __init int cpu_has_mfc0_count_bug(void)
case CPU_R4400MC:
/*
* The published errata for the R4400 up to 3.0 say the CPU
- * has the mfc0 from count bug.
+ * has the mfc0 from count bug. This seems the last version
+ * produced.
*/
- if ((current_cpu_data.processor_id & 0xff) <= 0x30)
- return 1;
-
- /*
- * we assume newer revisions are ok
- */
- return 0;
+ return 1;
}
return 0;
diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 037b08f3257e..a2837a54d972 100644
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -167,6 +167,8 @@ static inline void clkdev_add_sys(const char *dev, unsigned int module,
{
struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+ if (!clk)
+ return;
clk->cl.dev_id = dev;
clk->cl.con_id = NULL;
clk->cl.clk = clk;
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 51a218f04fe0..3f568f5aae2d 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -79,7 +79,7 @@ void __init plat_mem_setup(void)
if (fw_passed_dtb) /* UHI interface */
dtb = (void *)fw_passed_dtb;
- else if (__dtb_start != __dtb_end)
+ else if (&__dtb_start != &__dtb_end)
dtb = (void *)__dtb_start;
else
panic("no dtb found");
diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index 3d5683e75cf1..200fe9ff641d 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -122,6 +122,8 @@ static inline void clkdev_add_gptu(struct device *dev, const char *con,
{
struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+ if (!clk)
+ return;
clk->cl.dev_id = dev_name(dev);
clk->cl.con_id = con;
clk->cl.clk = clk;
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index 2ee68d6e8bb9..6c2d9779ac72 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -311,6 +311,8 @@ static void clkdev_add_pmu(const char *dev, const char *con, bool deactivate,
{
struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+ if (!clk)
+ return;
clk->cl.dev_id = dev;
clk->cl.con_id = con;
clk->cl.clk = clk;
@@ -334,6 +336,8 @@ static void clkdev_add_cgu(const char *dev, const char *con,
{
struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+ if (!clk)
+ return;
clk->cl.dev_id = dev;
clk->cl.con_id = con;
clk->cl.clk = clk;
@@ -352,24 +356,28 @@ static void clkdev_add_pci(void)
struct clk *clk_ext = kzalloc(sizeof(struct clk), GFP_KERNEL);
/* main pci clock */
- clk->cl.dev_id = "17000000.pci";
- clk->cl.con_id = NULL;
- clk->cl.clk = clk;
- clk->rate = CLOCK_33M;
- clk->rates = valid_pci_rates;
- clk->enable = pci_enable;
- clk->disable = pmu_disable;
- clk->module = 0;
- clk->bits = PMU_PCI;
- clkdev_add(&clk->cl);
+ if (clk) {
+ clk->cl.dev_id = "17000000.pci";
+ clk->cl.con_id = NULL;
+ clk->cl.clk = clk;
+ clk->rate = CLOCK_33M;
+ clk->rates = valid_pci_rates;
+ clk->enable = pci_enable;
+ clk->disable = pmu_disable;
+ clk->module = 0;
+ clk->bits = PMU_PCI;
+ clkdev_add(&clk->cl);
+ }
/* use internal/external bus clock */
- clk_ext->cl.dev_id = "17000000.pci";
- clk_ext->cl.con_id = "external";
- clk_ext->cl.clk = clk_ext;
- clk_ext->enable = pci_ext_enable;
- clk_ext->disable = pci_ext_disable;
- clkdev_add(&clk_ext->cl);
+ if (clk_ext) {
+ clk_ext->cl.dev_id = "17000000.pci";
+ clk_ext->cl.con_id = "external";
+ clk_ext->cl.clk = clk_ext;
+ clk_ext->enable = pci_ext_enable;
+ clk_ext->disable = pci_ext_disable;
+ clkdev_add(&clk_ext->cl);
+ }
}
/* xway socs can generate clocks on gpio pins */
@@ -389,9 +397,15 @@ static void clkdev_add_clkout(void)
char *name;
name = kzalloc(sizeof("clkout0"), GFP_KERNEL);
+ if (!name)
+ continue;
sprintf(name, "clkout%d", i);
clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+ if (!clk) {
+ kfree(name);
+ continue;
+ }
clk->cl.dev_id = "1f103000.cgu";
clk->cl.con_id = name;
clk->cl.clk = clk;
diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c
index 50f376f058f4..f232c77ff526 100644
--- a/arch/mips/pic32/pic32mzda/init.c
+++ b/arch/mips/pic32/pic32mzda/init.c
@@ -28,7 +28,7 @@ static ulong get_fdtaddr(void)
if (fw_passed_dtb && !fw_arg2 && !fw_arg3)
return (ulong)fw_passed_dtb;
- if (__dtb_start < __dtb_end)
+ if (&__dtb_start < &__dtb_end)
ftaddr = (ulong)__dtb_start;
return ftaddr;
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 4e38a905ab38..e2c71c6c667d 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -77,7 +77,7 @@ void __init plat_mem_setup(void)
*/
if (fw_passed_dtb)
dtb = (void *)fw_passed_dtb;
- else if (__dtb_start != __dtb_end)
+ else if (&__dtb_start != &__dtb_end)
dtb = (void *)__dtb_start;
__dt_setup_arch(dtb);
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 13f771f74ee3..b0045889864c 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -419,8 +419,7 @@ show_cpuinfo (struct seq_file *m, void *v)
}
seq_printf(m, " (0x%02lx)\n", boot_cpu_data.pdc.capabilities);
- seq_printf(m, "model\t\t: %s\n"
- "model name\t: %s\n",
+ seq_printf(m, "model\t\t: %s - %s\n",
boot_cpu_data.pdc.sys_model_name,
cpuinfo->dev ?
cpuinfo->dev->name : "Unknown");
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 2faaf456956a..71e3d7c0b870 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -31,6 +31,16 @@ KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
+
+ifdef CONFIG_CC_IS_GCC
+ ifeq ($(call cc-ifversion, -ge, 1200, y), y)
+ ifeq ($(call cc-ifversion, -lt, 1300, y), y)
+ KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
+ KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, array-bounds)
+ endif
+ endif
+endif
+
UTS_MACHINE := s390x
STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384)
CHECKFLAGS += -D__s390__ -D__s390x__
diff --git a/arch/x86/crypto/chacha-avx512vl-x86_64.S b/arch/x86/crypto/chacha-avx512vl-x86_64.S
index 848f9c75fd4f..596f91e3a774 100644
--- a/arch/x86/crypto/chacha-avx512vl-x86_64.S
+++ b/arch/x86/crypto/chacha-avx512vl-x86_64.S
@@ -172,7 +172,7 @@ ENTRY(chacha_2block_xor_avx512vl)
# xor remaining bytes from partial register into output
mov %rcx,%rax
and $0xf,%rcx
- jz .Ldone8
+ jz .Ldone2
mov %rax,%r9
and $~0xf,%r9
@@ -438,7 +438,7 @@ ENTRY(chacha_4block_xor_avx512vl)
# xor remaining bytes from partial register into output
mov %rcx,%rax
and $0xf,%rcx
- jz .Ldone8
+ jz .Ldone4
mov %rax,%r9
and $~0xf,%r9
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
index 3ff577c0b102..1b563f9167ea 100644
--- a/arch/x86/include/asm/asm.h
+++ b/arch/x86/include/asm/asm.h
@@ -7,9 +7,11 @@
# define __ASM_FORM_RAW(x) x
# define __ASM_FORM_COMMA(x) x,
#else
-# define __ASM_FORM(x) " " #x " "
-# define __ASM_FORM_RAW(x) #x
-# define __ASM_FORM_COMMA(x) " " #x ","
+#include
+
+# define __ASM_FORM(x) " " __stringify(x) " "
+# define __ASM_FORM_RAW(x) __stringify(x)
+# define __ASM_FORM_COMMA(x) " " __stringify(x) ","
#endif
#ifndef __x86_64__
diff --git a/arch/x86/include/asm/emulate_prefix.h b/arch/x86/include/asm/emulate_prefix.h
new file mode 100644
index 000000000000..70f5b98a5286
--- /dev/null
+++ b/arch/x86/include/asm/emulate_prefix.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_EMULATE_PREFIX_H
+#define _ASM_X86_EMULATE_PREFIX_H
+
+/*
+ * Virt escape sequences to trigger instruction emulation;
+ * ideally these would decode to 'whole' instruction and not destroy
+ * the instruction stream; sadly this is not true for the 'kvm' one :/
+ */
+
+#define __XEN_EMULATE_PREFIX 0x0f,0x0b,0x78,0x65,0x6e /* ud2 ; .ascii "xen" */
+#define __KVM_EMULATE_PREFIX 0x0f,0x0b,0x6b,0x76,0x6d /* ud2 ; .ascii "kvm" */
+
+#endif
diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h
index a51ffeea6d87..a8c3d284fa46 100644
--- a/arch/x86/include/asm/insn.h
+++ b/arch/x86/include/asm/insn.h
@@ -45,6 +45,7 @@ struct insn {
struct insn_field immediate2; /* for 64bit imm or seg16 */
};
+ int emulate_prefix_size;
insn_attr_t attr;
unsigned char opnd_bytes;
unsigned char addr_bytes;
@@ -128,6 +129,11 @@ static inline int insn_is_evex(struct insn *insn)
return (insn->vex_prefix.nbytes == 4);
}
+static inline int insn_has_emulate_prefix(struct insn *insn)
+{
+ return !!insn->emulate_prefix_size;
+}
+
/* Ensure this instruction is decoded completely */
static inline int insn_complete(struct insn *insn)
{
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 2b7cc5397f80..91a06cef50c1 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -133,11 +133,13 @@ extern void load_ucode_ap(void);
void reload_early_microcode(void);
extern bool get_builtin_firmware(struct cpio_data *cd, const char *name);
extern bool initrd_gone;
+void microcode_bsp_resume(void);
#else
static inline int __init microcode_init(void) { return 0; };
static inline void __init load_ucode_bsp(void) { }
static inline void load_ucode_ap(void) { }
static inline void reload_early_microcode(void) { }
+static inline void microcode_bsp_resume(void) { }
static inline bool
get_builtin_firmware(struct cpio_data *cd, const char *name) { return false; }
#endif
diff --git a/arch/x86/include/asm/xen/interface.h b/arch/x86/include/asm/xen/interface.h
index 62ca03ef5c65..9139b3e86316 100644
--- a/arch/x86/include/asm/xen/interface.h
+++ b/arch/x86/include/asm/xen/interface.h
@@ -379,12 +379,9 @@ struct xen_pmu_arch {
* Prefix forces emulation of some non-trapping instructions.
* Currently only CPUID.
*/
-#ifdef __ASSEMBLY__
-#define XEN_EMULATE_PREFIX .byte 0x0f,0x0b,0x78,0x65,0x6e ;
-#define XEN_CPUID XEN_EMULATE_PREFIX cpuid
-#else
-#define XEN_EMULATE_PREFIX ".byte 0x0f,0x0b,0x78,0x65,0x6e ; "
-#define XEN_CPUID XEN_EMULATE_PREFIX "cpuid"
-#endif
+#include
+
+#define XEN_EMULATE_PREFIX __ASM_FORM(.byte __XEN_EMULATE_PREFIX ;)
+#define XEN_CPUID XEN_EMULATE_PREFIX __ASM_FORM(cpuid)
#endif /* _ASM_X86_XEN_INTERFACE_H */
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 4a4198b806b4..c95a27513a30 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -772,9 +772,9 @@ static struct subsys_interface mc_cpu_interface = {
};
/**
- * mc_bp_resume - Update boot CPU microcode during resume.
+ * microcode_bsp_resume - Update boot CPU microcode during resume.
*/
-static void mc_bp_resume(void)
+void microcode_bsp_resume(void)
{
int cpu = smp_processor_id();
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
@@ -786,7 +786,7 @@ static void mc_bp_resume(void)
}
static struct syscore_ops mc_syscore_ops = {
- .resume = mc_bp_resume,
+ .resume = microcode_bsp_resume,
};
static int mc_cpu_starting(unsigned int cpu)
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index c205d77d57da..3700dc94847c 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -358,6 +358,10 @@ int __copy_instruction(u8 *dest, u8 *src, u8 *real, struct insn *insn)
kernel_insn_init(insn, dest, MAX_INSN_SIZE);
insn_get_length(insn);
+ /* We can not probe force emulate prefixed instruction */
+ if (insn_has_emulate_prefix(insn))
+ return 0;
+
/* Another subsystem puts a breakpoint, failed to recover */
if (insn->opcode.bytes[0] == BREAKPOINT_INSTRUCTION)
return 0;
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 408b51aba293..f582dda8dd34 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -59,6 +59,7 @@ static DEFINE_PER_CPU_DECRYPTED(struct kvm_vcpu_pv_apf_data, apf_reason) __align
DEFINE_PER_CPU_DECRYPTED(struct kvm_steal_time, steal_time) __aligned(64) __visible;
static int has_steal_clock = 0;
+static int has_guest_poll = 0;
/*
* No need for any "IO delay" on KVM
*/
@@ -584,14 +585,26 @@ static int kvm_cpu_down_prepare(unsigned int cpu)
static int kvm_suspend(void)
{
+ u64 val = 0;
+
kvm_guest_cpu_offline(false);
+#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL
+ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL))
+ rdmsrl(MSR_KVM_POLL_CONTROL, val);
+ has_guest_poll = !(val & 1);
+#endif
return 0;
}
static void kvm_resume(void)
{
kvm_cpu_online(raw_smp_processor_id());
+
+#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL
+ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL) && has_guest_poll)
+ wrmsrl(MSR_KVM_POLL_CONTROL, 0);
+#endif
}
static struct syscore_ops kvm_syscore_ops = {
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 6a8db8eb0e94..62c7f771a7cf 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -592,6 +592,11 @@ static inline int __do_cpuid_func(struct kvm_cpuid_entry2 *entry, u32 function,
union cpuid10_eax eax;
union cpuid10_edx edx;
+ if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) {
+ entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
+ break;
+ }
+
perf_get_x86_pmu_capability(&cap);
/*
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index afe3b8e61514..3696b4de9d99 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -118,7 +118,8 @@ static inline u32 kvm_x2apic_id(struct kvm_lapic *apic)
bool kvm_can_post_timer_interrupt(struct kvm_vcpu *vcpu)
{
- return pi_inject_timer && kvm_vcpu_apicv_active(vcpu);
+ return pi_inject_timer && kvm_vcpu_apicv_active(vcpu) &&
+ (kvm_mwait_in_guest(vcpu->kvm) || kvm_hlt_in_guest(vcpu->kvm));
}
EXPORT_SYMBOL_GPL(kvm_can_post_timer_interrupt);
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d3877dd713ae..015da62e4ad7 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -5821,6 +5821,7 @@ static void kvm_zap_obsolete_pages(struct kvm *kvm)
{
struct kvm_mmu_page *sp, *node;
int nr_zapped, batch = 0;
+ bool unstable;
restart:
list_for_each_entry_safe_reverse(sp, node,
@@ -5853,11 +5854,12 @@ static void kvm_zap_obsolete_pages(struct kvm *kvm)
goto restart;
}
- if (__kvm_mmu_prepare_zap_page(kvm, sp,
- &kvm->arch.zapped_obsolete_pages, &nr_zapped)) {
- batch += nr_zapped;
+ unstable = __kvm_mmu_prepare_zap_page(kvm, sp,
+ &kvm->arch.zapped_obsolete_pages, &nr_zapped);
+ batch += nr_zapped;
+
+ if (unstable)
goto restart;
- }
}
/*
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index e0e3776059af..32561431acde 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -143,7 +143,6 @@ static void pmc_reprogram_counter(struct kvm_pmc *pmc, u32 type,
void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel)
{
unsigned config, type = PERF_TYPE_RAW;
- u8 event_select, unit_mask;
struct kvm *kvm = pmc->vcpu->kvm;
struct kvm_pmu_event_filter *filter;
int i;
@@ -175,17 +174,12 @@ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel)
if (!allow_event)
return;
- event_select = eventsel & ARCH_PERFMON_EVENTSEL_EVENT;
- unit_mask = (eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8;
-
if (!(eventsel & (ARCH_PERFMON_EVENTSEL_EDGE |
ARCH_PERFMON_EVENTSEL_INV |
ARCH_PERFMON_EVENTSEL_CMASK |
HSW_IN_TX |
HSW_IN_TX_CHECKPOINTED))) {
- config = kvm_x86_ops->pmu_ops->find_arch_event(pmc_to_pmu(pmc),
- event_select,
- unit_mask);
+ config = kvm_x86_ops->pmu_ops->pmc_perf_hw_id(pmc);
if (config != PERF_COUNT_HW_MAX)
type = PERF_TYPE_HARDWARE;
}
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index 3fc98afd72a8..b63859e340e4 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -22,8 +22,7 @@ struct kvm_event_hw_type_mapping {
};
struct kvm_pmu_ops {
- unsigned (*find_arch_event)(struct kvm_pmu *pmu, u8 event_select,
- u8 unit_mask);
+ unsigned int (*pmc_perf_hw_id)(struct kvm_pmc *pmc);
unsigned (*find_fixed_event)(int idx);
bool (*pmc_is_enabled)(struct kvm_pmc *pmc);
struct kvm_pmc *(*pmc_idx_to_pmc)(struct kvm_pmu *pmu, int pmc_idx);
diff --git a/arch/x86/kvm/pmu_amd.c b/arch/x86/kvm/pmu_amd.c
index 6bc656abbe66..799b9a3144e3 100644
--- a/arch/x86/kvm/pmu_amd.c
+++ b/arch/x86/kvm/pmu_amd.c
@@ -44,6 +44,22 @@ static struct kvm_event_hw_type_mapping amd_event_mapping[] = {
[7] = { 0xd1, 0x00, PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
};
+/* duplicated from amd_f17h_perfmon_event_map. */
+static struct kvm_event_hw_type_mapping amd_f17h_event_mapping[] = {
+ [0] = { 0x76, 0x00, PERF_COUNT_HW_CPU_CYCLES },
+ [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS },
+ [2] = { 0x60, 0xff, PERF_COUNT_HW_CACHE_REFERENCES },
+ [3] = { 0x64, 0x09, PERF_COUNT_HW_CACHE_MISSES },
+ [4] = { 0xc2, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
+ [5] = { 0xc3, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
+ [6] = { 0x87, 0x02, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
+ [7] = { 0x87, 0x01, PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
+};
+
+/* amd_pmc_perf_hw_id depends on these being the same size */
+static_assert(ARRAY_SIZE(amd_event_mapping) ==
+ ARRAY_SIZE(amd_f17h_event_mapping));
+
static unsigned int get_msr_base(struct kvm_pmu *pmu, enum pmu_type type)
{
struct kvm_vcpu *vcpu = pmu_to_vcpu(pmu);
@@ -126,21 +142,27 @@ static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr,
return &pmu->gp_counters[msr_to_index(msr)];
}
-static unsigned amd_find_arch_event(struct kvm_pmu *pmu,
- u8 event_select,
- u8 unit_mask)
+static unsigned int amd_pmc_perf_hw_id(struct kvm_pmc *pmc)
{
+ struct kvm_event_hw_type_mapping *event_mapping;
+ u8 event_select = pmc->eventsel & ARCH_PERFMON_EVENTSEL_EVENT;
+ u8 unit_mask = (pmc->eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8;
int i;
+ if (guest_cpuid_family(pmc->vcpu) >= 0x17)
+ event_mapping = amd_f17h_event_mapping;
+ else
+ event_mapping = amd_event_mapping;
+
for (i = 0; i < ARRAY_SIZE(amd_event_mapping); i++)
- if (amd_event_mapping[i].eventsel == event_select
- && amd_event_mapping[i].unit_mask == unit_mask)
+ if (event_mapping[i].eventsel == event_select
+ && event_mapping[i].unit_mask == unit_mask)
break;
if (i == ARRAY_SIZE(amd_event_mapping))
return PERF_COUNT_HW_MAX;
- return amd_event_mapping[i].event_type;
+ return event_mapping[i].event_type;
}
/* return PERF_COUNT_HW_MAX as AMD doesn't have fixed events */
@@ -300,7 +322,7 @@ static void amd_pmu_reset(struct kvm_vcpu *vcpu)
}
struct kvm_pmu_ops amd_pmu_ops = {
- .find_arch_event = amd_find_arch_event,
+ .pmc_perf_hw_id = amd_pmc_perf_hw_id,
.find_fixed_event = amd_find_fixed_event,
.pmc_is_enabled = amd_pmc_is_enabled,
.pmc_idx_to_pmc = amd_pmc_idx_to_pmc,
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 181e352d38de..395566018ba9 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -64,10 +64,11 @@ static void global_ctrl_changed(struct kvm_pmu *pmu, u64 data)
reprogram_counter(pmu, bit);
}
-static unsigned intel_find_arch_event(struct kvm_pmu *pmu,
- u8 event_select,
- u8 unit_mask)
+static unsigned int intel_pmc_perf_hw_id(struct kvm_pmc *pmc)
{
+ struct kvm_pmu *pmu = pmc_to_pmu(pmc);
+ u8 event_select = pmc->eventsel & ARCH_PERFMON_EVENTSEL_EVENT;
+ u8 unit_mask = (pmc->eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8;
int i;
for (i = 0; i < ARRAY_SIZE(intel_arch_events); i++)
@@ -374,7 +375,7 @@ static void intel_pmu_reset(struct kvm_vcpu *vcpu)
}
struct kvm_pmu_ops intel_pmu_ops = {
- .find_arch_event = intel_find_arch_event,
+ .pmc_perf_hw_id = intel_pmc_perf_hw_id,
.find_fixed_event = intel_find_fixed_event,
.pmc_is_enabled = intel_pmc_is_enabled,
.pmc_idx_to_pmc = intel_pmc_idx_to_pmc,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1f7dfa5aa42d..6dd77e426889 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -68,6 +68,7 @@
#include
#include
#include
+#include
#include
#define CREATE_TRACE_POINTS
@@ -5583,6 +5584,7 @@ EXPORT_SYMBOL_GPL(kvm_write_guest_virt_system);
int handle_ud(struct kvm_vcpu *vcpu)
{
+ static const char kvm_emulate_prefix[] = { __KVM_EMULATE_PREFIX };
int emul_type = EMULTYPE_TRAP_UD;
char sig[5]; /* ud2; .ascii "kvm" */
struct x86_exception e;
@@ -5590,7 +5592,7 @@ int handle_ud(struct kvm_vcpu *vcpu)
if (force_emulation_prefix &&
kvm_read_guest_virt(vcpu, kvm_get_linear_rip(vcpu),
sig, sizeof(sig), &e) == 0 &&
- memcmp(sig, "\xf\xbkvm", sizeof(sig)) == 0) {
+ memcmp(sig, kvm_emulate_prefix, sizeof(sig)) == 0) {
kvm_rip_write(vcpu, kvm_rip_read(vcpu) + sizeof(sig));
emul_type = EMULTYPE_TRAP_UD_FORCED;
}
diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c
index 0b5862ba6a75..404279563891 100644
--- a/arch/x86/lib/insn.c
+++ b/arch/x86/lib/insn.c
@@ -13,6 +13,8 @@
#include
#include
+#include
+
/* Verify next sizeof(t) bytes can be on the same instruction */
#define validate_next(t, insn, n) \
((insn)->next_byte + sizeof(t) + n <= (insn)->end_kaddr)
@@ -58,6 +60,36 @@ void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64)
insn->addr_bytes = 4;
}
+static const insn_byte_t xen_prefix[] = { __XEN_EMULATE_PREFIX };
+static const insn_byte_t kvm_prefix[] = { __KVM_EMULATE_PREFIX };
+
+static int __insn_get_emulate_prefix(struct insn *insn,
+ const insn_byte_t *prefix, size_t len)
+{
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ if (peek_nbyte_next(insn_byte_t, insn, i) != prefix[i])
+ goto err_out;
+ }
+
+ insn->emulate_prefix_size = len;
+ insn->next_byte += len;
+
+ return 1;
+
+err_out:
+ return 0;
+}
+
+static void insn_get_emulate_prefix(struct insn *insn)
+{
+ if (__insn_get_emulate_prefix(insn, xen_prefix, sizeof(xen_prefix)))
+ return;
+
+ __insn_get_emulate_prefix(insn, kvm_prefix, sizeof(kvm_prefix));
+}
+
/**
* insn_get_prefixes - scan x86 instruction prefix bytes
* @insn: &struct insn containing instruction
@@ -76,6 +108,8 @@ void insn_get_prefixes(struct insn *insn)
if (prefixes->got)
return;
+ insn_get_emulate_prefix(insn);
+
nb = 0;
lb = 0;
b = peek_next(insn_byte_t, insn);
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 1847e993ac63..f3f7f4cb15a6 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -142,7 +142,7 @@ void __memcpy_flushcache(void *_dst, const void *_src, size_t size)
/* cache copy and flush to align dest */
if (!IS_ALIGNED(dest, 8)) {
- unsigned len = min_t(unsigned, size, ALIGN(dest, 8) - dest);
+ size_t len = min_t(size_t, size, ALIGN(dest, 8) - dest);
memcpy((void *) dest, (void *) source, len);
clean_cache_range((void *) dest, len);
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 5c11ae66b5d8..9cf8f5417e7f 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -442,6 +442,11 @@ void __init xen_msi_init(void)
x86_msi.setup_msi_irqs = xen_hvm_setup_msi_irqs;
x86_msi.teardown_msi_irq = xen_teardown_msi_irq;
+ /*
+ * With XEN PIRQ/Eventchannels in use PCI/MSI[-X] masking is solely
+ * controlled by the hypervisor.
+ */
+ pci_msi_ignore_mask = 1;
}
#endif
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index 450fd4e09e6f..d1ebdae6119e 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -25,6 +25,7 @@
#include
#include
#include
+#include
#ifdef CONFIG_X86_32
__visible unsigned long saved_context_ebx;
@@ -263,6 +264,13 @@ static void notrace __restore_processor_state(struct saved_context *ctxt)
x86_platform.restore_sched_clock_state();
mtrr_bp_restore();
perf_restore_debug_store();
+
+ microcode_bsp_resume();
+
+ /*
+ * This needs to happen after the microcode has been updated upon resume
+ * because some of the MSRs are "emulated" in microcode.
+ */
msr_restore_context(ctxt);
}
diff --git a/arch/x86/um/shared/sysdep/syscalls_64.h b/arch/x86/um/shared/sysdep/syscalls_64.h
index 8a7d5e1da98e..1e6875b4ffd8 100644
--- a/arch/x86/um/shared/sysdep/syscalls_64.h
+++ b/arch/x86/um/shared/sysdep/syscalls_64.h
@@ -10,13 +10,12 @@
#include
#include
-typedef long syscall_handler_t(void);
+typedef long syscall_handler_t(long, long, long, long, long, long);
extern syscall_handler_t *sys_call_table[];
#define EXECUTE_SYSCALL(syscall, regs) \
- (((long (*)(long, long, long, long, long, long)) \
- (*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(®s->regs), \
+ (((*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(®s->regs), \
UPT_SYSCALL_ARG2(®s->regs), \
UPT_SYSCALL_ARG3(®s->regs), \
UPT_SYSCALL_ARG4(®s->regs), \
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 64e6ec2c32a7..9d9777ded5f7 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -53,6 +53,7 @@ static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_pmu_irq) = { .irq = -1 };
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
+void asm_cpu_bringup_and_idle(void);
static void cpu_bringup(void)
{
@@ -310,7 +311,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
* pointing just below where pt_regs would be if it were a normal
* kernel entry.
*/
- ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle;
+ ctxt->user_regs.eip = (unsigned long)asm_cpu_bringup_and_idle;
ctxt->flags = VGCF_IN_KERNEL;
ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */
ctxt->user_regs.ds = __USER_DS;
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index c1d8b90aa4e2..142da8547480 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -35,7 +35,11 @@ ENTRY(startup_xen)
rep __ASM_SIZE(stos)
mov %_ASM_SI, xen_start_info
- mov $init_thread_union+THREAD_SIZE, %_ASM_SP
+#ifdef CONFIG_X86_64
+ mov initial_stack(%rip), %rsp
+#else
+ mov initial_stack, %esp
+#endif
#ifdef CONFIG_X86_64
/* Set up %gs.
@@ -51,9 +55,19 @@ ENTRY(startup_xen)
wrmsr
#endif
- jmp xen_start_kernel
+ call xen_start_kernel
END(startup_xen)
__FINIT
+
+#ifdef CONFIG_XEN_PV_SMP
+.pushsection .text
+SYM_CODE_START(asm_cpu_bringup_and_idle)
+ UNWIND_HINT_EMPTY
+
+ call cpu_bringup_and_idle
+SYM_CODE_END(asm_cpu_bringup_and_idle)
+.popsection
+#endif
#endif
.pushsection .text
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 1d443d17cf7c..d46806182b05 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -2251,6 +2251,9 @@ static int bfq_request_merge(struct request_queue *q, struct request **req,
__rq = bfq_find_rq_fmerge(bfqd, bio, q);
if (__rq && elv_bio_merge_ok(__rq, bio)) {
*req = __rq;
+
+ if (blk_discard_mergable(__rq))
+ return ELEVATOR_DISCARD_MERGE;
return ELEVATOR_FRONT_MERGE;
}
diff --git a/block/bio.c b/block/bio.c
index 49a0054dc59b..a9e92c139874 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1625,7 +1625,7 @@ struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len,
if (bytes > len)
bytes = len;
- page = alloc_page(q->bounce_gfp | gfp_mask);
+ page = alloc_page(q->bounce_gfp | __GFP_ZERO | gfp_mask);
if (!page)
goto cleanup;
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 25c9121c7ca8..8cb4f6a2fba0 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -730,21 +730,6 @@ static void blk_account_io_merge(struct request *req)
part_stat_unlock();
}
}
-/*
- * Two cases of handling DISCARD merge:
- * If max_discard_segments > 1, the driver takes every bio
- * as a range and send them to controller together. The ranges
- * needn't to be contiguous.
- * Otherwise, the bios/requests will be handled as same as
- * others which should be contiguous.
- */
-static inline bool blk_discard_mergable(struct request *req)
-{
- if (req_op(req) == REQ_OP_DISCARD &&
- queue_max_discard_segments(req->q) > 1)
- return true;
- return false;
-}
static enum elv_merge blk_try_req_merge(struct request *req,
struct request *next)
diff --git a/block/elevator.c b/block/elevator.c
index 78805c74ea8a..3ba826230c57 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -337,6 +337,9 @@ enum elv_merge elv_merge(struct request_queue *q, struct request **req,
__rq = elv_rqhash_find(q, bio->bi_iter.bi_sector);
if (__rq && elv_bio_merge_ok(__rq, bio)) {
*req = __rq;
+
+ if (blk_discard_mergable(__rq))
+ return ELEVATOR_DISCARD_MERGE;
return ELEVATOR_BACK_MERGE;
}
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 19c6922e85f1..6d6dda5cfffa 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -452,6 +452,8 @@ static int dd_request_merge(struct request_queue *q, struct request **rq,
if (elv_bio_merge_ok(__rq, bio)) {
*rq = __rq;
+ if (blk_discard_mergable(__rq))
+ return ELEVATOR_DISCARD_MERGE;
return ELEVATOR_FRONT_MERGE;
}
}
diff --git a/crypto/ecrdsa.c b/crypto/ecrdsa.c
index 887ec21aee49..1ffcea7b0355 100644
--- a/crypto/ecrdsa.c
+++ b/crypto/ecrdsa.c
@@ -112,15 +112,15 @@ static int ecrdsa_verify(struct akcipher_request *req)
/* Step 1: verify that 0 < r < q, 0 < s < q */
if (vli_is_zero(r, ndigits) ||
- vli_cmp(r, ctx->curve->n, ndigits) == 1 ||
+ vli_cmp(r, ctx->curve->n, ndigits) >= 0 ||
vli_is_zero(s, ndigits) ||
- vli_cmp(s, ctx->curve->n, ndigits) == 1)
+ vli_cmp(s, ctx->curve->n, ndigits) >= 0)
return -EKEYREJECTED;
/* Step 2: calculate hash (h) of the message (passed as input) */
/* Step 3: calculate e = h \mod q */
vli_from_le64(e, digest, ndigits);
- if (vli_cmp(e, ctx->curve->n, ndigits) == 1)
+ if (vli_cmp(e, ctx->curve->n, ndigits) >= 0)
vli_sub(e, e, ctx->curve->n, ndigits);
if (vli_is_zero(e, ndigits))
e[0] = 1;
@@ -136,7 +136,7 @@ static int ecrdsa_verify(struct akcipher_request *req)
/* Step 6: calculate point C = z_1P + z_2Q, and R = x_c \mod q */
ecc_point_mult_shamir(&cc, z1, &ctx->curve->g, z2, &ctx->pub_key,
ctx->curve);
- if (vli_cmp(cc.x, ctx->curve->n, ndigits) == 1)
+ if (vli_cmp(cc.x, ctx->curve->n, ndigits) >= 0)
vli_sub(cc.x, cc.x, ctx->curve->n, ndigits);
/* Step 7: if R == r signature is valid */
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 3f045b5953b2..a0c1a665dfc1 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -99,13 +99,12 @@ acpi_status acpi_ns_root_initialize(void)
* just create and link the new node(s) here.
*/
new_node =
- ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_namespace_node));
+ acpi_ns_create_node(*ACPI_CAST_PTR(u32, init_val->name));
if (!new_node) {
status = AE_NO_MEMORY;
goto unlock_and_exit;
}
- ACPI_COPY_NAMESEG(new_node->name.ascii, init_val->name);
new_node->descriptor_type = ACPI_DESC_TYPE_NAMED;
new_node->type = init_val->type;
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 76c668c05fa0..cc0b98affd64 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -439,18 +439,29 @@ static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
{
struct acpi_data_attr *data_attr;
void __iomem *base;
- ssize_t rc;
+ ssize_t size;
data_attr = container_of(bin_attr, struct acpi_data_attr, attr);
+ size = data_attr->attr.size;
- base = acpi_os_map_memory(data_attr->addr, data_attr->attr.size);
+ if (offset < 0)
+ return -EINVAL;
+
+ if (offset >= size)
+ return 0;
+
+ if (count > size - offset)
+ count = size - offset;
+
+ base = acpi_os_map_iomem(data_attr->addr, size);
if (!base)
return -ENOMEM;
- rc = memory_read_from_buffer(buf, count, &offset, base,
- data_attr->attr.size);
- acpi_os_unmap_memory(base, data_attr->attr.size);
- return rc;
+ memcpy_fromio(buf, base + offset, count);
+
+ acpi_os_unmap_iomem(base, size);
+
+ return count;
}
static int acpi_bert_data_init(void *th, struct acpi_data_attr *data_attr)
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index cbbc792ee8d6..27fdce4dc835 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -487,7 +487,7 @@ void update_siblings_masks(unsigned int cpuid)
for_each_online_cpu(cpu) {
cpu_topo = &cpu_topology[cpu];
- if (cpuid_topo->llc_id == cpu_topo->llc_id) {
+ if (cpu_topo->llc_id != -1 && cpuid_topo->llc_id == cpu_topo->llc_id) {
cpumask_set_cpu(cpu, &cpuid_topo->llc_sibling);
cpumask_set_cpu(cpuid, &cpu_topo->llc_sibling);
}
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index f313e4f390bb..f30a824b6ad7 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -761,6 +761,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
enum fw_opt opt_flags)
{
struct firmware *fw = NULL;
+ struct cred *kern_cred = NULL;
+ const struct cred *old_cred;
int ret;
if (!firmware_p)
@@ -776,6 +778,18 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
if (ret <= 0) /* error or already assigned */
goto out;
+ /*
+ * We are about to try to access the firmware file. Because we may have been
+ * called by a driver when serving an unrelated request from userland, we use
+ * the kernel credentials to read the file.
+ */
+ kern_cred = prepare_kernel_cred(NULL);
+ if (!kern_cred) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ old_cred = override_creds(kern_cred);
+
ret = fw_get_filesystem_firmware(device, fw->priv, "", NULL);
#ifdef CONFIG_FW_LOADER_COMPRESS
if (ret == -ENOENT)
@@ -792,6 +806,9 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
} else
ret = assign_fw(fw, device, opt_flags);
+ revert_creds(old_cred);
+ put_cred(kern_cred);
+
out:
if (ret < 0) {
fw_abort_batch_reqs(fw);
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 8df983111942..52cc6439f419 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -39,6 +39,22 @@ config BLK_DEV_FD
To compile this driver as a module, choose M here: the
module will be called floppy.
+config BLK_DEV_FD_RAWCMD
+ bool "Support for raw floppy disk commands (DEPRECATED)"
+ depends on BLK_DEV_FD
+ help
+ If you want to use actual physical floppies and expect to do
+ special low-level hardware accesses to them (access and use
+ non-standard formats, for example), then enable this.
+
+ Note that the code enabled by this option is rarely used and
+ might be unstable or insecure, and distros should not enable it.
+
+ Note: FDRAWCMD is deprecated and will be removed from the kernel
+ in the near future.
+
+ If unsure, say N.
+
config AMIGA_FLOPPY
tristate "Amiga floppy support"
depends on AMIGA
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index a18155cdce41..ba10fa24fa1f 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -183,7 +183,7 @@ void tl_release(struct drbd_connection *connection, unsigned int barrier_nr,
unsigned int set_size)
{
struct drbd_request *r;
- struct drbd_request *req = NULL;
+ struct drbd_request *req = NULL, *tmp = NULL;
int expect_epoch = 0;
int expect_size = 0;
@@ -237,8 +237,11 @@ void tl_release(struct drbd_connection *connection, unsigned int barrier_nr,
* to catch requests being barrier-acked "unexpectedly".
* It usually should find the same req again, or some READ preceding it. */
list_for_each_entry(req, &connection->transfer_log, tl_requests)
- if (req->epoch == expect_epoch)
+ if (req->epoch == expect_epoch) {
+ tmp = req;
break;
+ }
+ req = list_prepare_entry(tmp, &connection->transfer_log, tl_requests);
list_for_each_entry_safe_from(req, r, &connection->transfer_log, tl_requests) {
if (req->epoch != expect_epoch)
break;
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index bfb00d3b091f..52dd517ff541 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -791,9 +791,11 @@ int drbd_adm_set_role(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&adm_ctx.resource->adm_mutex);
if (info->genlhdr->cmd == DRBD_ADM_PRIMARY)
- retcode = drbd_set_role(adm_ctx.device, R_PRIMARY, parms.assume_uptodate);
+ retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device,
+ R_PRIMARY, parms.assume_uptodate);
else
- retcode = drbd_set_role(adm_ctx.device, R_SECONDARY, 0);
+ retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device,
+ R_SECONDARY, 0);
mutex_unlock(&adm_ctx.resource->adm_mutex);
genl_lock();
@@ -1971,7 +1973,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
drbd_flush_workqueue(&connection->sender_work);
rv = _drbd_request_state(device, NS(disk, D_ATTACHING), CS_VERBOSE);
- retcode = rv; /* FIXME: Type mismatch. */
+ retcode = (enum drbd_ret_code)rv;
drbd_resume_io(device);
if (rv < SS_SUCCESS)
goto fail;
@@ -2696,7 +2698,8 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
}
rcu_read_unlock();
- retcode = conn_request_state(connection, NS(conn, C_UNCONNECTED), CS_VERBOSE);
+ retcode = (enum drbd_ret_code)conn_request_state(connection,
+ NS(conn, C_UNCONNECTED), CS_VERBOSE);
conn_reconfig_done(connection);
mutex_unlock(&adm_ctx.resource->adm_mutex);
@@ -2809,7 +2812,7 @@ int drbd_adm_disconnect(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&adm_ctx.resource->adm_mutex);
rv = conn_try_disconnect(connection, parms.force_disconnect);
if (rv < SS_SUCCESS)
- retcode = rv; /* FIXME: Type mismatch. */
+ retcode = (enum drbd_ret_code)rv;
else
retcode = NO_ERROR;
mutex_unlock(&adm_ctx.resource->adm_mutex);
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 02af4f109e59..e133ff5fa596 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -521,8 +521,8 @@ static unsigned long fdc_busy;
static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
static DECLARE_WAIT_QUEUE_HEAD(command_done);
-/* Errors during formatting are counted here. */
-static int format_errors;
+/* errors encountered on the current (or last) request */
+static int floppy_errors;
/* Format request descriptor. */
static struct format_descr format_req;
@@ -542,7 +542,6 @@ static struct format_descr format_req;
static char *floppy_track_buffer;
static int max_buffer_sectors;
-static int *errors;
typedef void (*done_f)(int);
static const struct cont_t {
void (*interrupt)(void);
@@ -1435,7 +1434,7 @@ static int interpret_errors(void)
if (DP->flags & FTD_MSG)
DPRINT("Over/Underrun - retrying\n");
bad = 0;
- } else if (*errors >= DP->max_errors.reporting) {
+ } else if (floppy_errors >= DP->max_errors.reporting) {
print_errors();
}
if (ST2 & ST2_WC || ST2 & ST2_BC)
@@ -2055,7 +2054,7 @@ static void bad_flp_intr(void)
if (!next_valid_format())
return;
}
- err_count = ++(*errors);
+ err_count = ++floppy_errors;
INFBOUND(DRWE->badness, err_count);
if (err_count > DP->max_errors.abort)
cont->done(0);
@@ -2200,9 +2199,8 @@ static int do_format(int drive, struct format_descr *tmp_format_req)
return -EINVAL;
}
format_req = *tmp_format_req;
- format_errors = 0;
cont = &format_cont;
- errors = &format_errors;
+ floppy_errors = 0;
ret = wait_til_done(redo_format, true);
if (ret == -EINTR)
return -EINTR;
@@ -2677,7 +2675,7 @@ static int make_raw_rw_request(void)
*/
if (!direct ||
(indirect * 2 > direct * 3 &&
- *errors < DP->max_errors.read_track &&
+ floppy_errors < DP->max_errors.read_track &&
((!probing ||
(DP->read_track & (1 << DRS->probed_format)))))) {
max_size = blk_rq_sectors(current_req);
@@ -2801,10 +2799,11 @@ static int set_next_request(void)
current_req = list_first_entry_or_null(&floppy_reqs, struct request,
queuelist);
if (current_req) {
- current_req->error_count = 0;
+ floppy_errors = 0;
list_del_init(¤t_req->queuelist);
+ return 1;
}
- return current_req != NULL;
+ return 0;
}
static void redo_fd_request(void)
@@ -2860,7 +2859,6 @@ static void redo_fd_request(void)
_floppy = floppy_type + DP->autodetect[DRS->probed_format];
} else
probing = 0;
- errors = &(current_req->error_count);
tmp = make_raw_rw_request();
if (tmp < 2) {
request_done(tmp);
@@ -3012,6 +3010,8 @@ static const char *drive_name(int type, int drive)
return "(null)";
}
+#ifdef CONFIG_BLK_DEV_FD_RAWCMD
+
/* raw commands */
static void raw_cmd_done(int flag)
{
@@ -3223,6 +3223,35 @@ static int raw_cmd_ioctl(int cmd, void __user *param)
return ret;
}
+static int floppy_raw_cmd_ioctl(int type, int drive, int cmd,
+ void __user *param)
+{
+ int ret;
+
+ pr_warn_once("Note: FDRAWCMD is deprecated and will be removed from the kernel in the near future.\n");
+
+ if (type)
+ return -EINVAL;
+ if (lock_fdc(drive))
+ return -EINTR;
+ set_floppy(drive);
+ ret = raw_cmd_ioctl(cmd, param);
+ if (ret == -EINTR)
+ return -EINTR;
+ process_fd_request();
+ return ret;
+}
+
+#else /* CONFIG_BLK_DEV_FD_RAWCMD */
+
+static int floppy_raw_cmd_ioctl(int type, int drive, int cmd,
+ void __user *param)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif
+
static int invalidate_drive(struct block_device *bdev)
{
/* invalidate the buffer track to force a reread */
@@ -3410,7 +3439,6 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
{
int drive = (long)bdev->bd_disk->private_data;
int type = ITYPE(UDRS->fd_device);
- int i;
int ret;
int size;
union inparam {
@@ -3561,16 +3589,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
outparam = UDRWE;
break;
case FDRAWCMD:
- if (type)
- return -EINVAL;
- if (lock_fdc(drive))
- return -EINTR;
- set_floppy(drive);
- i = raw_cmd_ioctl(cmd, (void __user *)param);
- if (i == -EINTR)
- return -EINTR;
- process_fd_request();
- return i;
+ return floppy_raw_cmd_ioctl(type, drive, cmd, (void __user *)param);
case FDTWADDLE:
if (lock_fdc(drive))
return -EINTR;
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 1bb00a959c67..9b1a5e62417c 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -224,6 +224,8 @@ static struct sunxi_rsb_device *sunxi_rsb_device_create(struct sunxi_rsb *rsb,
dev_dbg(&rdev->dev, "device %s registered\n", dev_name(&rdev->dev));
+ return rdev;
+
err_device_add:
put_device(&rdev->dev);
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 1385c2c0acbe..89635bb117d2 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -706,7 +706,16 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, u32 *value,
if (!rc) {
out = (struct tpm2_get_cap_out *)
&buf.data[TPM_HEADER_SIZE];
- *value = be32_to_cpu(out->value);
+ /*
+ * To prevent failing boot up of some systems, Infineon TPM2.0
+ * returns SUCCESS on TPM2_Startup in field upgrade mode. Also
+ * the TPM2_Getcapability command returns a zero length list
+ * in field upgrade mode.
+ */
+ if (be32_to_cpu(out->property_cnt) > 0)
+ *value = be32_to_cpu(out->value);
+ else
+ rc = -ENODATA;
}
tpm_buf_destroy(&buf);
return rc;
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 64428dbed992..4236607f69e4 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -685,6 +685,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
if (!wait_event_timeout(ibmvtpm->crq_queue.wq,
ibmvtpm->rtce_buf != NULL,
HZ)) {
+ rc = -ENODEV;
dev_err(dev, "CRQ response timed out\n");
goto init_irq_cleanup;
}
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index d7fe1303f79d..0e7ec5075689 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -105,6 +105,10 @@ static void clk_generated_best_diff(struct clk_rate_request *req,
tmp_rate = parent_rate;
else
tmp_rate = parent_rate / div;
+
+ if (tmp_rate < req->min_rate || tmp_rate > req->max_rate)
+ return;
+
tmp_diff = abs(req->rate - tmp_rate);
if (*best_diff < 0 || *best_diff >= tmp_diff) {
diff --git a/drivers/clk/sunxi/clk-sun9i-mmc.c b/drivers/clk/sunxi/clk-sun9i-mmc.c
index 542b31d6e96d..636bcf2439ef 100644
--- a/drivers/clk/sunxi/clk-sun9i-mmc.c
+++ b/drivers/clk/sunxi/clk-sun9i-mmc.c
@@ -109,6 +109,8 @@ static int sun9i_a80_mmc_config_clk_probe(struct platform_device *pdev)
spin_lock_init(&data->lock);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r)
+ return -EINVAL;
/* one clock/reset pair per word */
count = DIV_ROUND_UP((resource_size(r)), SUN9I_MMC_WIDTH);
data->membase = devm_ioremap_resource(&pdev->dev, r);
diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i-cpufreq-nvmem.c
index 2deed8d8773f..75e1bf3a08f7 100644
--- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c
+++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c
@@ -98,8 +98,10 @@ static int sun50i_cpufreq_nvmem_probe(struct platform_device *pdev)
return -ENOMEM;
ret = sun50i_cpufreq_get_efuse(&speed);
- if (ret)
+ if (ret) {
+ kfree(opp_tables);
return ret;
+ }
snprintf(name, MAX_NAME_LEN, "speed%d", speed);
diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c
index 3a633a0c40fd..6cc4fd005fe0 100644
--- a/drivers/crypto/qcom-rng.c
+++ b/drivers/crypto/qcom-rng.c
@@ -64,6 +64,7 @@ static int qcom_rng_read(struct qcom_rng *rng, u8 *data, unsigned int max)
} else {
/* copy only remaining bytes */
memcpy(data, &val, max - currsize);
+ break;
}
} while (currsize < max);
diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c
index fb640e0ea614..2ecc970f5cae 100644
--- a/drivers/crypto/stm32/stm32-crc32.c
+++ b/drivers/crypto/stm32/stm32-crc32.c
@@ -332,8 +332,10 @@ static int stm32_crc_remove(struct platform_device *pdev)
struct stm32_crc *crc = platform_get_drvdata(pdev);
int ret = pm_runtime_get_sync(crc->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(crc->dev);
return ret;
+ }
spin_lock(&crc_list.lock);
list_del(&crc->list);
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index 54be88167c60..f3b3953cac83 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -668,6 +668,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
void fw_core_remove_card(struct fw_card *card)
{
struct fw_card_driver dummy_driver = dummy_driver_template;
+ unsigned long flags;
card->driver->update_phy_reg(card, 4,
PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
@@ -682,7 +683,9 @@ void fw_core_remove_card(struct fw_card *card)
dummy_driver.stop_iso = card->driver->stop_iso;
card->driver = &dummy_driver;
+ spin_lock_irqsave(&card->lock, flags);
fw_destroy_nodes(card);
+ spin_unlock_irqrestore(&card->lock, flags);
/* Wait for all users, especially device workqueue jobs, to finish. */
fw_card_put(card);
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 1da7ba18d399..3a43e5d6ed3b 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -1482,6 +1482,7 @@ static void outbound_phy_packet_callback(struct fw_packet *packet,
{
struct outbound_phy_packet_event *e =
container_of(packet, struct outbound_phy_packet_event, p);
+ struct client *e_client;
switch (status) {
/* expected: */
@@ -1498,9 +1499,10 @@ static void outbound_phy_packet_callback(struct fw_packet *packet,
}
e->phy_packet.data[0] = packet->timestamp;
+ e_client = e->client;
queue_event(e->client, &e->event, &e->phy_packet,
sizeof(e->phy_packet) + e->phy_packet.length, NULL, 0);
- client_put(e->client);
+ client_put(e_client);
}
static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg)
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index 94a13fca8267..5999dce11fc8 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -374,16 +374,13 @@ static void report_found_node(struct fw_card *card,
card->bm_retries = 0;
}
+/* Must be called with card->lock held */
void fw_destroy_nodes(struct fw_card *card)
{
- unsigned long flags;
-
- spin_lock_irqsave(&card->lock, flags);
card->color++;
if (card->local_node != NULL)
for_each_fw_node(card, card->local_node, report_lost_node);
card->local_node = NULL;
- spin_unlock_irqrestore(&card->lock, flags);
}
static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
@@ -509,6 +506,8 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
struct fw_node *local_node;
unsigned long flags;
+ spin_lock_irqsave(&card->lock, flags);
+
/*
* If the selfID buffer is not the immediate successor of the
* previously processed one, we cannot reliably compare the
@@ -520,8 +519,6 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
card->bm_retries = 0;
}
- spin_lock_irqsave(&card->lock, flags);
-
card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;
card->node_id = node_id;
/*
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 404a035f104d..78574789a187 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -73,24 +73,25 @@ static int try_cancel_split_timeout(struct fw_transaction *t)
static int close_transaction(struct fw_transaction *transaction,
struct fw_card *card, int rcode)
{
- struct fw_transaction *t;
+ struct fw_transaction *t = NULL, *iter;
unsigned long flags;
spin_lock_irqsave(&card->lock, flags);
- list_for_each_entry(t, &card->transaction_list, link) {
- if (t == transaction) {
- if (!try_cancel_split_timeout(t)) {
+ list_for_each_entry(iter, &card->transaction_list, link) {
+ if (iter == transaction) {
+ if (!try_cancel_split_timeout(iter)) {
spin_unlock_irqrestore(&card->lock, flags);
goto timed_out;
}
- list_del_init(&t->link);
- card->tlabel_mask &= ~(1ULL << t->tlabel);
+ list_del_init(&iter->link);
+ card->tlabel_mask &= ~(1ULL << iter->tlabel);
+ t = iter;
break;
}
}
spin_unlock_irqrestore(&card->lock, flags);
- if (&t->link != &card->transaction_list) {
+ if (t) {
t->callback(card, rcode, NULL, 0, t->callback_data);
return 0;
}
@@ -935,7 +936,7 @@ EXPORT_SYMBOL(fw_core_handle_request);
void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
{
- struct fw_transaction *t;
+ struct fw_transaction *t = NULL, *iter;
unsigned long flags;
u32 *data;
size_t data_length;
@@ -947,20 +948,21 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
rcode = HEADER_GET_RCODE(p->header[1]);
spin_lock_irqsave(&card->lock, flags);
- list_for_each_entry(t, &card->transaction_list, link) {
- if (t->node_id == source && t->tlabel == tlabel) {
- if (!try_cancel_split_timeout(t)) {
+ list_for_each_entry(iter, &card->transaction_list, link) {
+ if (iter->node_id == source && iter->tlabel == tlabel) {
+ if (!try_cancel_split_timeout(iter)) {
spin_unlock_irqrestore(&card->lock, flags);
goto timed_out;
}
- list_del_init(&t->link);
- card->tlabel_mask &= ~(1ULL << t->tlabel);
+ list_del_init(&iter->link);
+ card->tlabel_mask &= ~(1ULL << iter->tlabel);
+ t = iter;
break;
}
}
spin_unlock_irqrestore(&card->lock, flags);
- if (&t->link == &card->transaction_list) {
+ if (!t) {
timed_out:
fw_notice(card, "unsolicited response (source %x, tlabel %x)\n",
source, tlabel);
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 4d5054211550..2ceed9287435 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -408,7 +408,7 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
void *payload, size_t length, void *callback_data)
{
struct sbp2_logical_unit *lu = callback_data;
- struct sbp2_orb *orb;
+ struct sbp2_orb *orb = NULL, *iter;
struct sbp2_status status;
unsigned long flags;
@@ -433,17 +433,18 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
/* Lookup the orb corresponding to this status write. */
spin_lock_irqsave(&lu->tgt->lock, flags);
- list_for_each_entry(orb, &lu->orb_list, link) {
+ list_for_each_entry(iter, &lu->orb_list, link) {
if (STATUS_GET_ORB_HIGH(status) == 0 &&
- STATUS_GET_ORB_LOW(status) == orb->request_bus) {
- orb->rcode = RCODE_COMPLETE;
- list_del(&orb->link);
+ STATUS_GET_ORB_LOW(status) == iter->request_bus) {
+ iter->rcode = RCODE_COMPLETE;
+ list_del(&iter->link);
+ orb = iter;
break;
}
}
spin_unlock_irqrestore(&lu->tgt->lock, flags);
- if (&orb->link != &lu->orb_list) {
+ if (orb) {
orb->callback(orb, &status);
kref_put(&orb->kref, free_orb); /* orb callback reference */
} else {
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 89a053b1d279..b5ae28fce9a8 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -697,6 +697,9 @@ static int mvebu_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
unsigned long flags;
unsigned int on, off;
+ if (state->polarity != PWM_POLARITY_NORMAL)
+ return -EINVAL;
+
val = (unsigned long long) mvpwm->clk_rate * state->duty_cycle;
do_div(val, NSEC_PER_SEC);
if (val > UINT_MAX)
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 58776f2d69ff..1ae612c796ee 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -125,9 +125,13 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
{
struct vf610_gpio_port *port = gpiochip_get_data(chip);
unsigned long mask = BIT(gpio);
+ u32 val;
- if (port->sdata && port->sdata->have_paddr)
- vf610_gpio_writel(mask, port->gpio_base + GPIO_PDDR);
+ if (port->sdata && port->sdata->have_paddr) {
+ val = vf610_gpio_readl(port->gpio_base + GPIO_PDDR);
+ val |= mask;
+ vf610_gpio_writel(val, port->gpio_base + GPIO_PDDR);
+ }
vf610_gpio_set(chip, gpio, value);
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 3ece59185d37..b1dcd2dd52e6 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -783,7 +783,7 @@ static void of_gpiochip_init_valid_mask(struct gpio_chip *chip)
i, &start);
of_property_read_u32_index(np, "gpio-reserved-ranges",
i + 1, &count);
- if (start >= chip->ngpio || start + count >= chip->ngpio)
+ if (start >= chip->ngpio || start + count > chip->ngpio)
continue;
bitmap_clear(chip->valid_mask, start, count);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 25af45adc03e..49b52ac3e473 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -951,11 +951,15 @@ int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd,
struct dma_fence **ef)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
- struct drm_file *drm_priv = filp->private_data;
- struct amdgpu_fpriv *drv_priv = drm_priv->driver_priv;
- struct amdgpu_vm *avm = &drv_priv->vm;
+ struct amdgpu_fpriv *drv_priv;
+ struct amdgpu_vm *avm;
int ret;
+ ret = amdgpu_file_to_fpriv(filp, &drv_priv);
+ if (ret)
+ return ret;
+ avm = &drv_priv->vm;
+
/* Already a compute VM? */
if (avm->process_info)
return -EINVAL;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index 11a4c4029a90..acc2c307c871 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -1140,6 +1140,7 @@ static struct clock_source *dcn21_clock_source_create(
return &clk_src->base;
}
+ kfree(clk_src);
BREAK_TO_DEBUGGER();
return NULL;
}
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
index d03165e71dc6..0be817f8cae6 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
@@ -53,8 +53,8 @@
*/
struct gpio_service *dal_gpio_service_create(
- enum dce_version dce_version_major,
- enum dce_version dce_version_minor,
+ enum dce_version dce_version,
+ enum dce_environment dce_environment,
struct dc_context *ctx)
{
struct gpio_service *service;
@@ -67,14 +67,14 @@ struct gpio_service *dal_gpio_service_create(
return NULL;
}
- if (!dal_hw_translate_init(&service->translate, dce_version_major,
- dce_version_minor)) {
+ if (!dal_hw_translate_init(&service->translate, dce_version,
+ dce_environment)) {
BREAK_TO_DEBUGGER();
goto failure_1;
}
- if (!dal_hw_factory_init(&service->factory, dce_version_major,
- dce_version_minor)) {
+ if (!dal_hw_factory_init(&service->factory, dce_version,
+ dce_environment)) {
BREAK_TO_DEBUGGER();
goto failure_1;
}
diff --git a/drivers/gpu/drm/amd/display/include/gpio_service_interface.h b/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
index 9c55d247227e..7e3240e73c1f 100644
--- a/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
+++ b/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
@@ -42,8 +42,8 @@ void dal_gpio_destroy(
struct gpio **ptr);
struct gpio_service *dal_gpio_service_create(
- enum dce_version dce_version_major,
- enum dce_version dce_version_minor,
+ enum dce_version dce_version,
+ enum dce_environment dce_environment,
struct dc_context *ctx);
struct gpio *dal_gpio_service_create_irq(
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 2de1eebe591f..1ff13af13324 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -3657,6 +3657,7 @@ static void fetch_monitor_name(struct drm_dp_mst_topology_mgr *mgr,
mst_edid = drm_dp_mst_get_edid(port->connector, mgr, port);
drm_edid_get_monitor_name(mst_edid, name, namelen);
+ kfree(mst_edid);
}
/**
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 198a91c76531..5c21c06189c1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -1452,7 +1452,7 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct i915_vma *vma)
urelocs = u64_to_user_ptr(entry->relocs_ptr);
remain = entry->relocation_count;
- if (unlikely(remain > N_RELOC(ULONG_MAX)))
+ if (unlikely((unsigned long)remain > N_RELOC(ULONG_MAX)))
return -EINVAL;
/*
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e43a76b027a2..d59455b2d401 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2822,7 +2822,7 @@ hsw_compute_linetime_wm(const struct intel_crtc_state *crtc_state)
}
static void intel_read_wm_latency(struct drm_i915_private *dev_priv,
- u16 wm[8])
+ u16 wm[])
{
struct intel_uncore *uncore = &dev_priv->uncore;
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index c7a94c94dbf3..f2f3280c3a50 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -51,8 +51,9 @@ static bool
nouveau_get_backlight_name(char backlight_name[BL_NAME_SIZE],
struct nouveau_backlight *bl)
{
- const int nb = ida_simple_get(&bl_ida, 0, 0, GFP_KERNEL);
- if (nb < 0 || nb >= 100)
+ const int nb = ida_alloc_max(&bl_ida, 99, GFP_KERNEL);
+
+ if (nb < 0)
return false;
if (nb > 0)
snprintf(backlight_name, BL_NAME_SIZE, "nv_backlight%d", nb);
@@ -280,7 +281,7 @@ nouveau_backlight_init(struct drm_connector *connector)
nv_encoder, ops, &props);
if (IS_ERR(bl->dev)) {
if (bl->id >= 0)
- ida_simple_remove(&bl_ida, bl->id);
+ ida_free(&bl_ida, bl->id);
ret = PTR_ERR(bl->dev);
goto fail_alloc;
}
@@ -306,7 +307,7 @@ nouveau_backlight_fini(struct drm_connector *connector)
return;
if (bl->id >= 0)
- ida_simple_remove(&bl_ida, bl->id);
+ ida_free(&bl_ida, bl->id);
backlight_device_unregister(bl->dev);
nv_conn->backlight = NULL;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
index 0e372a190d3f..9b6972c95358 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
@@ -123,7 +123,7 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev)
mutex_init(&tdev->iommu.mutex);
- if (iommu_present(&platform_bus_type)) {
+ if (device_iommu_mapped(dev)) {
tdev->iommu.domain = iommu_domain_alloc(&platform_bus_type);
if (!tdev->iommu.domain)
goto error;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index ea29953e0b08..8e7b05484ba8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -498,7 +498,7 @@ static int vmw_fb_kms_detach(struct vmw_fb_par *par,
static int vmw_fb_kms_framebuffer(struct fb_info *info)
{
- struct drm_mode_fb_cmd2 mode_cmd;
+ struct drm_mode_fb_cmd2 mode_cmd = {0};
struct vmw_fb_par *par = info->par;
struct fb_var_screeninfo *var = &info->var;
struct drm_framebuffer *cur_fb;
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 37270b8f4e58..653f436aa459 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2158,6 +2158,9 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_GOOGLE,
HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE,
USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) },
+ { .driver_data = MT_CLS_GOOGLE,
+ HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_GOOGLE,
+ USB_DEVICE_ID_GOOGLE_WHISKERS) },
/* Generic MT device */
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index ad2984b646e7..8a50dd76338b 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -802,7 +802,7 @@ config SENSORS_LTC4261
config SENSORS_LTQ_CPUTEMP
bool "Lantiq cpu temperature sensor driver"
- depends on LANTIQ
+ depends on SOC_XWAY
help
If you say yes here you get support for the temperature
sensor inside your CPU.
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index a30f34cf512c..95e06886991d 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -20,6 +20,7 @@
#include
#include
#include
+#include
/* Addresses to scan */
static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END };
@@ -260,11 +261,10 @@ static int adt7470_update_thread(void *p)
adt7470_read_temperatures(client, data);
mutex_unlock(&data->lock);
- set_current_state(TASK_INTERRUPTIBLE);
if (kthread_should_stop())
break;
- schedule_timeout(msecs_to_jiffies(data->auto_update_interval));
+ schedule_timeout_interruptible(msecs_to_jiffies(data->auto_update_interval));
}
return 0;
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index d09deb409de7..3336ff9e306b 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1577,8 +1577,9 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
temp *= 125;
if (sign)
temp -= 128000;
- } else
- temp = data->temp[nr] * 1000;
+ } else {
+ temp = ((s8)data->temp[nr]) * 1000;
+ }
return sprintf(buf, "%d\n", temp);
}
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index fa361d9949db..debcece02dd3 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -731,10 +731,21 @@ static int tmp401_probe(struct i2c_client *client,
return 0;
}
+static const struct of_device_id __maybe_unused tmp4xx_of_match[] = {
+ { .compatible = "ti,tmp401", },
+ { .compatible = "ti,tmp411", },
+ { .compatible = "ti,tmp431", },
+ { .compatible = "ti,tmp432", },
+ { .compatible = "ti,tmp435", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tmp4xx_of_match);
+
static struct i2c_driver tmp401_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "tmp401",
+ .of_match_table = of_match_ptr(tmp4xx_of_match),
},
.probe = tmp401_probe,
.id_table = tmp401_id,
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 2f95e25a10f7..53325419ec13 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -81,6 +81,7 @@
#define ISMT_DESC_ENTRIES 2 /* number of descriptor entries */
#define ISMT_MAX_RETRIES 3 /* number of SMBus retries to attempt */
+#define ISMT_LOG_ENTRIES 3 /* number of interrupt cause log entries */
/* Hardware Descriptor Constants - Control Field */
#define ISMT_DESC_CWRL 0x01 /* Command/Write Length */
@@ -174,6 +175,8 @@ struct ismt_priv {
u8 head; /* ring buffer head pointer */
struct completion cmp; /* interrupt completion */
u8 buffer[I2C_SMBUS_BLOCK_MAX + 16]; /* temp R/W data buffer */
+ dma_addr_t log_dma;
+ u32 *log;
};
/**
@@ -408,6 +411,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
memset(desc, 0, sizeof(struct ismt_desc));
desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, read_write);
+ /* Always clear the log entries */
+ memset(priv->log, 0, ISMT_LOG_ENTRIES * sizeof(u32));
+
/* Initialize common control bits */
if (likely(pci_dev_msi_enabled(priv->pci_dev)))
desc->control = ISMT_DESC_INT | ISMT_DESC_FAIR;
@@ -697,6 +703,8 @@ static void ismt_hw_init(struct ismt_priv *priv)
/* initialize the Master Descriptor Base Address (MDBA) */
writeq(priv->io_rng_dma, priv->smba + ISMT_MSTR_MDBA);
+ writeq(priv->log_dma, priv->smba + ISMT_GR_SMTICL);
+
/* initialize the Master Control Register (MCTRL) */
writel(ISMT_MCTRL_MEIE, priv->smba + ISMT_MSTR_MCTRL);
@@ -784,6 +792,12 @@ static int ismt_dev_init(struct ismt_priv *priv)
priv->head = 0;
init_completion(&priv->cmp);
+ priv->log = dmam_alloc_coherent(&priv->pci_dev->dev,
+ ISMT_LOG_ENTRIES * sizeof(u32),
+ &priv->log_dma, GFP_KERNEL);
+ if (!priv->log)
+ return -ENOMEM;
+
return 0;
}
diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c
index 62df8379bc89..65e72101b393 100644
--- a/drivers/i2c/busses/i2c-mt7621.c
+++ b/drivers/i2c/busses/i2c-mt7621.c
@@ -304,7 +304,8 @@ static int mtk_i2c_probe(struct platform_device *pdev)
if (i2c->bus_freq == 0) {
dev_warn(i2c->dev, "clock-frequency 0 not supported\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_disable_clk;
}
adap = &i2c->adap;
@@ -322,10 +323,15 @@ static int mtk_i2c_probe(struct platform_device *pdev)
ret = i2c_add_adapter(adap);
if (ret < 0)
- return ret;
+ goto err_disable_clk;
dev_info(&pdev->dev, "clock %u kHz\n", i2c->bus_freq / 1000);
+ return 0;
+
+err_disable_clk:
+ clk_disable_unprepare(i2c->clk);
+
return ret;
}
diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
index 19f8eec38717..107aeb8b54da 100644
--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
@@ -208,6 +208,7 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev,
i2c->adap.bus_recovery_info = &octeon_i2c_recovery_info;
i2c->adap.dev.parent = dev;
i2c->adap.dev.of_node = pdev->dev.of_node;
+ i2c->adap.dev.fwnode = dev->fwnode;
snprintf(i2c->adap.name, sizeof(i2c->adap.name),
"Cavium ThunderX i2c adapter at %s", dev_name(dev));
i2c_set_adapdata(&i2c->adap, i2c);
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index 1f55cd8abb55..5fbda0431d6a 100644
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -170,7 +170,7 @@ static int ad5446_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- *val = st->cached_val;
+ *val = st->cached_val >> chan->scan_type.shift;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
*val = st->vref_mv;
diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index 424922cad1e3..87a51a85a642 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -530,7 +530,7 @@ static int ad5592r_alloc_channels(struct ad5592r_state *st)
if (!ret)
st->channel_modes[reg] = tmp;
- fwnode_property_read_u32(child, "adi,off-state", &tmp);
+ ret = fwnode_property_read_u32(child, "adi,off-state", &tmp);
if (!ret)
st->channel_offstate[reg] = tmp;
}
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 82af903a765b..c54eed3f4edc 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -391,6 +391,7 @@ static int ak8975_power_on(const struct ak8975_data *data)
if (ret) {
dev_warn(&data->client->dev,
"Failed to enable specified Vid supply\n");
+ regulator_disable(data->vdd);
return ret;
}
/*
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index e3bac1a877bb..3aed597103d3 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -976,14 +976,15 @@ static void siw_accept_newconn(struct siw_cep *cep)
siw_cep_set_inuse(new_cep);
rv = siw_proc_mpareq(new_cep);
- siw_cep_set_free(new_cep);
-
if (rv != -EAGAIN) {
siw_cep_put(cep);
new_cep->listen_cep = NULL;
- if (rv)
+ if (rv) {
+ siw_cep_set_free(new_cep);
goto error;
+ }
}
+ siw_cep_set_free(new_cep);
}
return;
diff --git a/drivers/input/input.c b/drivers/input/input.c
index e2eb9b9b8363..0e16a9980c6a 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -47,6 +47,17 @@ static DEFINE_MUTEX(input_mutex);
static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 };
+static const unsigned int input_max_code[EV_CNT] = {
+ [EV_KEY] = KEY_MAX,
+ [EV_REL] = REL_MAX,
+ [EV_ABS] = ABS_MAX,
+ [EV_MSC] = MSC_MAX,
+ [EV_SW] = SW_MAX,
+ [EV_LED] = LED_MAX,
+ [EV_SND] = SND_MAX,
+ [EV_FF] = FF_MAX,
+};
+
static inline int is_event_supported(unsigned int code,
unsigned long *bm, unsigned int max)
{
@@ -1978,6 +1989,14 @@ EXPORT_SYMBOL(input_get_timestamp);
*/
void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code)
{
+ if (type < EV_CNT && input_max_code[type] &&
+ code > input_max_code[type]) {
+ pr_err("%s: invalid code %u for type %u\n", __func__, code,
+ type);
+ dump_stack();
+ return;
+ }
+
switch (type) {
case EV_KEY:
__set_bit(code, dev->keybit);
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index bfb945fc33a1..3c9cdb87770f 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -335,7 +335,7 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data)
* The Goodix panel will send spurious interrupts after a
* 'finger up' event, which will always cause a timeout.
*/
- return 0;
+ return -ENOMSG;
}
static void goodix_ts_report_touch_8b(struct goodix_ts_data *ts, u8 *coor_data)
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index 22839dde1d09..bc6f6a2ac4b9 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -290,9 +290,9 @@ static int ili210x_i2c_probe(struct i2c_client *client,
if (error)
return error;
- usleep_range(50, 100);
+ usleep_range(12000, 15000);
gpiod_set_value_cansleep(reset_gpio, 0);
- msleep(100);
+ msleep(160);
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c
index cd8805d71d97..be1dd504d5b1 100644
--- a/drivers/input/touchscreen/stmfts.c
+++ b/drivers/input/touchscreen/stmfts.c
@@ -339,11 +339,11 @@ static int stmfts_input_open(struct input_dev *dev)
err = pm_runtime_get_sync(&sdata->client->dev);
if (err < 0)
- return err;
+ goto out;
err = i2c_smbus_write_byte(sdata->client, STMFTS_MS_MT_SENSE_ON);
if (err)
- return err;
+ goto out;
mutex_lock(&sdata->mutex);
sdata->running = true;
@@ -366,7 +366,9 @@ static int stmfts_input_open(struct input_dev *dev)
"failed to enable touchkey\n");
}
- return 0;
+out:
+ pm_runtime_put_noidle(&sdata->client->dev);
+ return err;
}
static void stmfts_input_close(struct input_dev *dev)
diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 4c2ce210c123..95b09148167e 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -5,7 +5,7 @@
menuconfig NVM
bool "Open-Channel SSD target support"
- depends on BLOCK
+ depends on BLOCK && BROKEN
help
Say Y here to get to enable Open-channel SSDs.
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 3ed8ca47bc6e..fa674e9b6f23 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2817,6 +2817,11 @@ static int crypt_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_SUBMITTED;
}
+static char hex2asc(unsigned char c)
+{
+ return c + '0' + ((unsigned)(9 - c) >> 4 & 0x27);
+}
+
static void crypt_status(struct dm_target *ti, status_type_t type,
unsigned status_flags, char *result, unsigned maxlen)
{
@@ -2835,9 +2840,12 @@ static void crypt_status(struct dm_target *ti, status_type_t type,
if (cc->key_size > 0) {
if (cc->key_string)
DMEMIT(":%u:%s", cc->key_size, cc->key_string);
- else
- for (i = 0; i < cc->key_size; i++)
- DMEMIT("%02x", cc->key[i]);
+ else {
+ for (i = 0; i < cc->key_size; i++) {
+ DMEMIT("%c%c", hex2asc(cc->key[i] >> 4),
+ hex2asc(cc->key[i] & 0xf));
+ }
+ }
} else
DMEMIT("-");
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 28a9eeae83b6..acbda91e7643 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -4149,8 +4149,6 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
}
if (should_write_sb) {
- int r;
-
init_journal(ic, 0, ic->journal_sections, 0);
r = dm_integrity_failed(ic);
if (unlikely(r)) {
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 71417048256a..ce6d3bce1b7b 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -224,6 +224,7 @@ void dm_stats_cleanup(struct dm_stats *stats)
atomic_read(&shared->in_flight[READ]),
atomic_read(&shared->in_flight[WRITE]));
}
+ cond_resched();
}
dm_stat_free(&s->rcu_head);
}
@@ -313,6 +314,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
for (ni = 0; ni < n_entries; ni++) {
atomic_set(&s->stat_shared[ni].in_flight[READ], 0);
atomic_set(&s->stat_shared[ni].in_flight[WRITE], 0);
+ cond_resched();
}
if (s->n_histogram_entries) {
@@ -325,6 +327,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
for (ni = 0; ni < n_entries; ni++) {
s->stat_shared[ni].tmp.histogram = hi;
hi += s->n_histogram_entries + 1;
+ cond_resched();
}
}
@@ -345,6 +348,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
for (ni = 0; ni < n_entries; ni++) {
p[ni].histogram = hi;
hi += s->n_histogram_entries + 1;
+ cond_resched();
}
}
}
@@ -474,6 +478,7 @@ static int dm_stats_list(struct dm_stats *stats, const char *program,
}
DMEMIT("\n");
}
+ cond_resched();
}
mutex_unlock(&stats->mutex);
@@ -750,6 +755,7 @@ static void __dm_stat_clear(struct dm_stat *s, size_t idx_start, size_t idx_end,
local_irq_enable();
}
}
+ cond_resched();
}
}
@@ -865,6 +871,8 @@ static int dm_stats_print(struct dm_stats *stats, int id,
if (unlikely(sz + 1 >= maxlen))
goto buffer_overflow;
+
+ cond_resched();
}
if (clear)
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 12999ca95506..6f92514214bf 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -1255,6 +1255,7 @@ static int verity_ctr(struct dm_target *ti, unsigned argc, char **argv)
static struct target_type verity_target = {
.name = "verity",
+ .features = DM_TARGET_IMMUTABLE,
.version = {1, 5, 0},
.module = THIS_MODULE,
.ctr = verity_ctr,
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 627b0b71cb43..2b95f14ba8de 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -704,19 +704,20 @@ static void start_io_acct(struct dm_io *io)
false, 0, &io->stats_aux);
}
-static void end_io_acct(struct dm_io *io)
+static void end_io_acct(struct mapped_device *md, struct bio *bio,
+ unsigned long start_time, struct dm_stats_aux *stats_aux)
{
- struct mapped_device *md = io->md;
- struct bio *bio = io->orig_bio;
- unsigned long duration = jiffies - io->start_time;
-
- generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0,
- io->start_time);
+ unsigned long duration = jiffies - start_time;
if (unlikely(dm_stats_used(&md->stats)))
dm_stats_account_io(&md->stats, bio_data_dir(bio),
bio->bi_iter.bi_sector, bio_sectors(bio),
- true, duration, &io->stats_aux);
+ true, duration, stats_aux);
+
+ smp_wmb();
+
+ generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0,
+ start_time);
/* nudge anyone waiting on suspend queue */
if (unlikely(wq_has_sleeper(&md->wait)))
@@ -937,6 +938,8 @@ static void dec_pending(struct dm_io *io, blk_status_t error)
blk_status_t io_error;
struct bio *bio;
struct mapped_device *md = io->md;
+ unsigned long start_time = 0;
+ struct dm_stats_aux stats_aux;
/* Push-back supersedes any I/O errors */
if (unlikely(error)) {
@@ -963,8 +966,10 @@ static void dec_pending(struct dm_io *io, blk_status_t error)
io_error = io->status;
bio = io->orig_bio;
- end_io_acct(io);
+ start_time = io->start_time;
+ stats_aux = io->stats_aux;
free_io(md, io);
+ end_io_acct(md, bio, start_time, &stats_aux);
if (io_error == BLK_STS_DM_REQUEUE)
return;
@@ -2643,6 +2648,8 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state)
}
finish_wait(&md->wait, &wait);
+ smp_rmb();
+
return r;
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 08a7f97750f7..c40327ad6ad5 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -609,17 +609,17 @@ int raid5_calc_degraded(struct r5conf *conf)
return degraded;
}
-static int has_failed(struct r5conf *conf)
+static bool has_failed(struct r5conf *conf)
{
- int degraded;
+ int degraded = conf->mddev->degraded;
- if (conf->mddev->reshape_position == MaxSector)
- return conf->mddev->degraded > conf->max_degraded;
+ if (test_bit(MD_BROKEN, &conf->mddev->flags))
+ return true;
- degraded = raid5_calc_degraded(conf);
- if (degraded > conf->max_degraded)
- return 1;
- return 0;
+ if (conf->mddev->reshape_position != MaxSector)
+ degraded = raid5_calc_degraded(conf);
+
+ return degraded > conf->max_degraded;
}
struct stripe_head *
@@ -2679,34 +2679,31 @@ static void raid5_error(struct mddev *mddev, struct md_rdev *rdev)
unsigned long flags;
pr_debug("raid456: error called\n");
+ pr_crit("md/raid:%s: Disk failure on %s, disabling device.\n",
+ mdname(mddev), bdevname(rdev->bdev, b));
+
spin_lock_irqsave(&conf->device_lock, flags);
-
- if (test_bit(In_sync, &rdev->flags) &&
- mddev->degraded == conf->max_degraded) {
- /*
- * Don't allow to achieve failed state
- * Don't try to recover this device
- */
- conf->recovery_disabled = mddev->recovery_disabled;
- spin_unlock_irqrestore(&conf->device_lock, flags);
- return;
- }
-
set_bit(Faulty, &rdev->flags);
clear_bit(In_sync, &rdev->flags);
mddev->degraded = raid5_calc_degraded(conf);
+
+ if (has_failed(conf)) {
+ set_bit(MD_BROKEN, &conf->mddev->flags);
+ conf->recovery_disabled = mddev->recovery_disabled;
+
+ pr_crit("md/raid:%s: Cannot continue operation (%d/%d failed).\n",
+ mdname(mddev), mddev->degraded, conf->raid_disks);
+ } else {
+ pr_crit("md/raid:%s: Operation continuing on %d devices.\n",
+ mdname(mddev), conf->raid_disks - mddev->degraded);
+ }
+
spin_unlock_irqrestore(&conf->device_lock, flags);
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
set_bit(Blocked, &rdev->flags);
set_mask_bits(&mddev->sb_flags, 0,
BIT(MD_SB_CHANGE_DEVS) | BIT(MD_SB_CHANGE_PENDING));
- pr_crit("md/raid:%s: Disk failure on %s, disabling device.\n"
- "md/raid:%s: Operation continuing on %d devices.\n",
- mdname(mddev),
- bdevname(rdev->bdev, b),
- mdname(mddev),
- conf->raid_disks - mddev->degraded);
r5c_update_on_rdev_error(mddev, rdev);
}
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index 8d6b09623d88..6fba00e03c67 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -1333,12 +1333,6 @@ static int vim2m_probe(struct platform_device *pdev)
vfd->lock = &dev->dev_mutex;
vfd->v4l2_dev = &dev->v4l2_dev;
- ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
- if (ret) {
- v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
- goto error_v4l2;
- }
-
video_set_drvdata(vfd, dev);
v4l2_info(&dev->v4l2_dev,
"Device registered as /dev/video%d\n", vfd->num);
@@ -1361,12 +1355,20 @@ static int vim2m_probe(struct platform_device *pdev)
media_device_init(&dev->mdev);
dev->mdev.ops = &m2m_media_ops;
dev->v4l2_dev.mdev = &dev->mdev;
+#endif
+ ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+ if (ret) {
+ v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
+ goto error_m2m;
+ }
+
+#ifdef CONFIG_MEDIA_CONTROLLER
ret = v4l2_m2m_register_media_controller(dev->m2m_dev, vfd,
MEDIA_ENT_F_PROC_VIDEO_SCALER);
if (ret) {
v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller\n");
- goto error_dev;
+ goto error_v4l2;
}
ret = media_device_register(&dev->mdev);
@@ -1381,11 +1383,13 @@ static int vim2m_probe(struct platform_device *pdev)
error_m2m_mc:
v4l2_m2m_unregister_media_controller(dev->m2m_dev);
#endif
-error_dev:
+error_v4l2:
video_unregister_device(&dev->vfd);
/* vim2m_device_release called by video_unregister_device to release various objects */
return ret;
-error_v4l2:
+error_m2m:
+ v4l2_m2m_release(dev->m2m_dev);
+error_dev:
v4l2_device_unregister(&dev->v4l2_dev);
error_free:
kfree(dev);
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 647e62f8a987..7a8f1ae83c88 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1134,7 +1134,7 @@ static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
card->erase_arg == MMC_TRIM_ARG ?
INAND_CMD38_ARG_TRIM :
INAND_CMD38_ARG_ERASE,
- 0);
+ card->ext_csd.generic_cmd6_time);
}
if (!err)
err = mmc_erase(card, from, nr, card->erase_arg);
@@ -1176,7 +1176,7 @@ static void mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
arg == MMC_SECURE_TRIM1_ARG ?
INAND_CMD38_ARG_SECTRIM1 :
INAND_CMD38_ARG_SECERASE,
- 0);
+ card->ext_csd.generic_cmd6_time);
if (err)
goto out_retry;
}
@@ -1194,7 +1194,7 @@ static void mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
INAND_CMD38_ARG_EXT_CSD,
INAND_CMD38_ARG_SECTRIM2,
- 0);
+ card->ext_csd.generic_cmd6_time);
if (err)
goto out_retry;
}
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 6ffb90a63054..1464937a4cf3 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -19,7 +19,9 @@
#include "host.h"
#include "mmc_ops.h"
-#define MMC_OPS_TIMEOUT_MS (10 * 60 * 1000) /* 10 minute timeout */
+#define MMC_OPS_TIMEOUT_MS (10 * 60 * 1000) /* 10min*/
+#define MMC_BKOPS_TIMEOUT_MS (120 * 1000) /* 120s */
+#define MMC_CACHE_FLUSH_TIMEOUT_MS (30 * 1000) /* 30s */
static const u8 tuning_blk_pattern_4bit[] = {
0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc,
@@ -470,10 +472,6 @@ static int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
bool expired = false;
bool busy = false;
- /* We have an unspecified cmd timeout, use the fallback value. */
- if (!timeout_ms)
- timeout_ms = MMC_OPS_TIMEOUT_MS;
-
/*
* In cases when not allowed to poll by using CMD13 or because we aren't
* capable of polling by using ->card_busy(), then rely on waiting the
@@ -546,6 +544,12 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
mmc_retune_hold(host);
+ if (!timeout_ms) {
+ pr_warn("%s: unspecified timeout for CMD6 - use generic\n",
+ mmc_hostname(host));
+ timeout_ms = card->ext_csd.generic_cmd6_time;
+ }
+
/*
* If the cmd timeout and the max_busy_timeout of the host are both
* specified, let's validate them. A failure means we need to prevent
@@ -554,7 +558,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
* which also means they are on their own when it comes to deal with the
* busy timeout.
*/
- if (!(host->caps & MMC_CAP_NEED_RSP_BUSY) && timeout_ms &&
+ if (!(host->caps & MMC_CAP_NEED_RSP_BUSY) &&
host->max_busy_timeout && (timeout_ms > host->max_busy_timeout))
use_r1b_resp = false;
@@ -566,10 +570,6 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
cmd.flags = MMC_CMD_AC;
if (use_r1b_resp) {
cmd.flags |= MMC_RSP_SPI_R1B | MMC_RSP_R1B;
- /*
- * A busy_timeout of zero means the host can decide to use
- * whatever value it finds suitable.
- */
cmd.busy_timeout = timeout_ms;
} else {
cmd.flags |= MMC_RSP_SPI_R1 | MMC_RSP_R1;
@@ -963,7 +963,7 @@ void mmc_run_bkops(struct mmc_card *card)
* urgent levels by using an asynchronous background task, when idle.
*/
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_BKOPS_START, 1, MMC_OPS_TIMEOUT_MS);
+ EXT_CSD_BKOPS_START, 1, MMC_BKOPS_TIMEOUT_MS);
if (err)
pr_warn("%s: Error %d starting bkops\n",
mmc_hostname(card->host), err);
@@ -983,7 +983,8 @@ int mmc_flush_cache(struct mmc_card *card)
(card->ext_csd.cache_size > 0) &&
(card->ext_csd.cache_ctrl & 1)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_FLUSH_CACHE, 1, 0);
+ EXT_CSD_FLUSH_CACHE, 1,
+ MMC_CACHE_FLUSH_TIMEOUT_MS);
if (err)
pr_err("%s: cache flush error %d\n",
mmc_hostname(card->host), err);
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 9ff718b61c72..e5ae3346b05a 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -37,10 +37,7 @@ struct realtek_pci_sdmmc {
bool double_clk;
bool eject;
bool initial_mode;
- int power_state;
-#define SDMMC_POWER_ON 1
-#define SDMMC_POWER_OFF 0
-
+ int prev_power_state;
int sg_count;
s32 cookie;
int cookie_sg_count;
@@ -902,14 +899,21 @@ static int sd_set_bus_width(struct realtek_pci_sdmmc *host,
return err;
}
-static int sd_power_on(struct realtek_pci_sdmmc *host)
+static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
- if (host->power_state == SDMMC_POWER_ON)
+ if (host->prev_power_state == MMC_POWER_ON)
return 0;
+ if (host->prev_power_state == MMC_POWER_UP) {
+ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0);
+ goto finish;
+ }
+
+ msleep(100);
+
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE,
@@ -928,11 +932,17 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
if (err < 0)
return err;
+ mdelay(1);
+
err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
if (err < 0)
return err;
- host->power_state = SDMMC_POWER_ON;
+ /* send at least 74 clocks */
+ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN);
+
+finish:
+ host->prev_power_state = power_mode;
return 0;
}
@@ -941,7 +951,7 @@ static int sd_power_off(struct realtek_pci_sdmmc *host)
struct rtsx_pcr *pcr = host->pcr;
int err;
- host->power_state = SDMMC_POWER_OFF;
+ host->prev_power_state = MMC_POWER_OFF;
rtsx_pci_init_cmd(pcr);
@@ -967,7 +977,7 @@ static int sd_set_power_mode(struct realtek_pci_sdmmc *host,
if (power_mode == MMC_POWER_OFF)
err = sd_power_off(host);
else
- err = sd_power_on(host);
+ err = sd_power_on(host, power_mode);
return err;
}
@@ -1402,10 +1412,11 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev)
host = mmc_priv(mmc);
host->pcr = pcr;
+ mmc->ios.power_delay_ms = 5;
host->mmc = mmc;
host->pdev = pdev;
host->cookie = -1;
- host->power_state = SDMMC_POWER_OFF;
+ host->prev_power_state = MMC_POWER_OFF;
INIT_WORK(&host->work, sd_request);
platform_set_drvdata(pdev, host);
pcr->slots[RTSX_SD_CARD].p_dev = pdev;
diff --git a/drivers/mtd/nand/raw/mtk_ecc.c b/drivers/mtd/nand/raw/mtk_ecc.c
index 74595b644b7c..57fa7807cd7d 100644
--- a/drivers/mtd/nand/raw/mtk_ecc.c
+++ b/drivers/mtd/nand/raw/mtk_ecc.c
@@ -43,6 +43,7 @@
struct mtk_ecc_caps {
u32 err_mask;
+ u32 err_shift;
const u8 *ecc_strength;
const u32 *ecc_regs;
u8 num_ecc_strength;
@@ -76,7 +77,7 @@ static const u8 ecc_strength_mt2712[] = {
};
static const u8 ecc_strength_mt7622[] = {
- 4, 6, 8, 10, 12, 14, 16
+ 4, 6, 8, 10, 12
};
enum mtk_ecc_regs {
@@ -221,7 +222,7 @@ void mtk_ecc_get_stats(struct mtk_ecc *ecc, struct mtk_ecc_stats *stats,
for (i = 0; i < sectors; i++) {
offset = (i >> 2) << 2;
err = readl(ecc->regs + ECC_DECENUM0 + offset);
- err = err >> ((i % 4) * 8);
+ err = err >> ((i % 4) * ecc->caps->err_shift);
err &= ecc->caps->err_mask;
if (err == ecc->caps->err_mask) {
/* uncorrectable errors */
@@ -449,6 +450,7 @@ EXPORT_SYMBOL(mtk_ecc_get_parity_bits);
static const struct mtk_ecc_caps mtk_ecc_caps_mt2701 = {
.err_mask = 0x3f,
+ .err_shift = 8,
.ecc_strength = ecc_strength_mt2701,
.ecc_regs = mt2701_ecc_regs,
.num_ecc_strength = 20,
@@ -459,6 +461,7 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2701 = {
static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
.err_mask = 0x7f,
+ .err_shift = 8,
.ecc_strength = ecc_strength_mt2712,
.ecc_regs = mt2712_ecc_regs,
.num_ecc_strength = 23,
@@ -468,10 +471,11 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
};
static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = {
- .err_mask = 0x3f,
+ .err_mask = 0x1f,
+ .err_shift = 5,
.ecc_strength = ecc_strength_mt7622,
.ecc_regs = mt7622_ecc_regs,
- .num_ecc_strength = 7,
+ .num_ecc_strength = 5,
.ecc_mode_shift = 4,
.parity_bits = 13,
.pg_irq_sel = 0,
diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c
index e509c93737c4..f0e2f2d65282 100644
--- a/drivers/mtd/nand/raw/sh_flctl.c
+++ b/drivers/mtd/nand/raw/sh_flctl.c
@@ -384,7 +384,8 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
dma_addr_t dma_addr;
dma_cookie_t cookie;
uint32_t reg;
- int ret;
+ int ret = 0;
+ unsigned long time_left;
if (dir == DMA_FROM_DEVICE) {
chan = flctl->chan_fifo0_rx;
@@ -425,13 +426,14 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
goto out;
}
- ret =
+ time_left =
wait_for_completion_timeout(&flctl->dma_complete,
msecs_to_jiffies(3000));
- if (ret <= 0) {
+ if (time_left == 0) {
dmaengine_terminate_all(chan);
dev_err(&flctl->pdev->dev, "wait_for_completion_timeout\n");
+ ret = -ETIMEDOUT;
}
out:
@@ -441,7 +443,7 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
dma_unmap_single(chan->device->dev, dma_addr, len, dir);
- /* ret > 0 is success */
+ /* ret == 0 is success */
return ret;
}
@@ -465,7 +467,7 @@ static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
/* initiate DMA transfer */
if (flctl->chan_fifo0_rx && rlen >= 32 &&
- flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_FROM_DEVICE) > 0)
+ !flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_FROM_DEVICE))
goto convert; /* DMA success */
/* do polling transfer */
@@ -524,7 +526,7 @@ static void write_ec_fiforeg(struct sh_flctl *flctl, int rlen,
/* initiate DMA transfer */
if (flctl->chan_fifo0_tx && rlen >= 32 &&
- flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_TO_DEVICE) > 0)
+ !flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_TO_DEVICE))
return; /* DMA success */
/* do polling transfer */
diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index b8f1f2b69dd3..e613cd5707e2 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -241,13 +241,14 @@ struct grcan_device_config {
.rxsize = GRCAN_DEFAULT_BUFFER_SIZE, \
}
-#define GRCAN_TXBUG_SAFE_GRLIB_VERSION 0x4100
+#define GRCAN_TXBUG_SAFE_GRLIB_VERSION 4100
#define GRLIB_VERSION_MASK 0xffff
/* GRCAN private data structure */
struct grcan_priv {
struct can_priv can; /* must be the first member */
struct net_device *dev;
+ struct device *ofdev_dev;
struct napi_struct napi;
struct grcan_registers __iomem *regs; /* ioremap'ed registers */
@@ -924,7 +925,7 @@ static void grcan_free_dma_buffers(struct net_device *dev)
struct grcan_priv *priv = netdev_priv(dev);
struct grcan_dma *dma = &priv->dma;
- dma_free_coherent(&dev->dev, dma->base_size, dma->base_buf,
+ dma_free_coherent(priv->ofdev_dev, dma->base_size, dma->base_buf,
dma->base_handle);
memset(dma, 0, sizeof(*dma));
}
@@ -949,7 +950,7 @@ static int grcan_allocate_dma_buffers(struct net_device *dev,
/* Extra GRCAN_BUFFER_ALIGNMENT to allow for alignment */
dma->base_size = lsize + ssize + GRCAN_BUFFER_ALIGNMENT;
- dma->base_buf = dma_alloc_coherent(&dev->dev,
+ dma->base_buf = dma_alloc_coherent(priv->ofdev_dev,
dma->base_size,
&dma->base_handle,
GFP_KERNEL);
@@ -1113,8 +1114,10 @@ static int grcan_close(struct net_device *dev)
priv->closing = true;
if (priv->need_txbug_workaround) {
+ spin_unlock_irqrestore(&priv->lock, flags);
del_timer_sync(&priv->hang_timer);
del_timer_sync(&priv->rr_timer);
+ spin_lock_irqsave(&priv->lock, flags);
}
netif_stop_queue(dev);
grcan_stop_hardware(dev);
@@ -1134,7 +1137,7 @@ static int grcan_close(struct net_device *dev)
return 0;
}
-static int grcan_transmit_catch_up(struct net_device *dev, int budget)
+static void grcan_transmit_catch_up(struct net_device *dev)
{
struct grcan_priv *priv = netdev_priv(dev);
unsigned long flags;
@@ -1142,7 +1145,7 @@ static int grcan_transmit_catch_up(struct net_device *dev, int budget)
spin_lock_irqsave(&priv->lock, flags);
- work_done = catch_up_echo_skb(dev, budget, true);
+ work_done = catch_up_echo_skb(dev, -1, true);
if (work_done) {
if (!priv->resetting && !priv->closing &&
!(priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY))
@@ -1156,8 +1159,6 @@ static int grcan_transmit_catch_up(struct net_device *dev, int budget)
}
spin_unlock_irqrestore(&priv->lock, flags);
-
- return work_done;
}
static int grcan_receive(struct net_device *dev, int budget)
@@ -1239,19 +1240,13 @@ static int grcan_poll(struct napi_struct *napi, int budget)
struct net_device *dev = priv->dev;
struct grcan_registers __iomem *regs = priv->regs;
unsigned long flags;
- int tx_work_done, rx_work_done;
- int rx_budget = budget / 2;
- int tx_budget = budget - rx_budget;
+ int work_done;
- /* Half of the budget for receiveing messages */
- rx_work_done = grcan_receive(dev, rx_budget);
+ work_done = grcan_receive(dev, budget);
- /* Half of the budget for transmitting messages as that can trigger echo
- * frames being received
- */
- tx_work_done = grcan_transmit_catch_up(dev, tx_budget);
+ grcan_transmit_catch_up(dev);
- if (rx_work_done < rx_budget && tx_work_done < tx_budget) {
+ if (work_done < budget) {
napi_complete(napi);
/* Guarantee no interference with a running reset that otherwise
@@ -1268,7 +1263,7 @@ static int grcan_poll(struct napi_struct *napi, int budget)
spin_unlock_irqrestore(&priv->lock, flags);
}
- return rx_work_done + tx_work_done;
+ return work_done;
}
/* Work tx bug by waiting while for the risky situation to clear. If that fails,
@@ -1600,6 +1595,7 @@ static int grcan_setup_netdev(struct platform_device *ofdev,
memcpy(&priv->config, &grcan_module_config,
sizeof(struct grcan_device_config));
priv->dev = dev;
+ priv->ofdev_dev = &ofdev->dev;
priv->regs = base;
priv->can.bittiming_const = &grcan_bittiming_const;
priv->can.do_set_bittiming = grcan_set_bittiming;
@@ -1652,6 +1648,7 @@ static int grcan_setup_netdev(struct platform_device *ofdev,
static int grcan_probe(struct platform_device *ofdev)
{
struct device_node *np = ofdev->dev.of_node;
+ struct device_node *sysid_parent;
struct resource *res;
u32 sysid, ambafreq;
int irq, err;
@@ -1661,10 +1658,15 @@ static int grcan_probe(struct platform_device *ofdev)
/* Compare GRLIB version number with the first that does not
* have the tx bug (see start_xmit)
*/
- err = of_property_read_u32(np, "systemid", &sysid);
- if (!err && ((sysid & GRLIB_VERSION_MASK)
- >= GRCAN_TXBUG_SAFE_GRLIB_VERSION))
- txbug = false;
+ sysid_parent = of_find_node_by_path("/ambapp0");
+ if (sysid_parent) {
+ of_node_get(sysid_parent);
+ err = of_property_read_u32(sysid_parent, "systemid", &sysid);
+ if (!err && ((sysid & GRLIB_VERSION_MASK) >=
+ GRCAN_TXBUG_SAFE_GRLIB_VERSION))
+ txbug = false;
+ of_node_put(sysid_parent);
+ }
err = of_property_read_u32(np, "freq", &ambafreq);
if (err) {
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index 60e36f46f8ab..0c191d395f8f 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1607,9 +1607,6 @@ static void gswip_phylink_mac_config(struct dsa_switch *ds, int port,
break;
case PHY_INTERFACE_MODE_RMII:
miicfg |= GSWIP_MII_CFG_MODE_RMIIM;
-
- /* Configure the RMII clock as output: */
- miicfg |= GSWIP_MII_CFG_RMII_CLK;
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 2ad3fa6316ce..cb5954eeb409 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -674,6 +674,13 @@ static int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
err = -ENXIO;
goto err_exit;
}
+
+ /* Validate that the new hw_head_ is reasonable. */
+ if (hw_head_ >= ring->size) {
+ err = -ENXIO;
+ goto err_exit;
+ }
+
ring->hw_head = hw_head_;
err = aq_hw_err_from_flags(self);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index cff64e43bdd8..b5f58c62e7d2 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -14267,10 +14267,6 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
/* Stop Tx */
bnx2x_tx_disable(bp);
- /* Delete all NAPI objects */
- bnx2x_del_all_napi(bp);
- if (CNIC_LOADED(bp))
- bnx2x_del_all_napi_cnic(bp);
netdev_reset_tc(bp->dev);
del_timer_sync(&bp->timer);
@@ -14375,6 +14371,11 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
bnx2x_drain_tx_queues(bp);
bnx2x_send_unload_req(bp, UNLOAD_RECOVERY);
bnx2x_netif_stop(bp, 1);
+ bnx2x_del_all_napi(bp);
+
+ if (CNIC_LOADED(bp))
+ bnx2x_del_all_napi_cnic(bp);
+
bnx2x_free_irq(bp);
/* Report UNLOAD_DONE to MCP */
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 7f590a9e3af7..5a7d5e7f3b23 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -9791,7 +9791,7 @@ static bool bnxt_rfs_capable(struct bnxt *bp)
if (bp->flags & BNXT_FLAG_CHIP_P5)
return bnxt_rfs_supported(bp);
- if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
+ if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp) || !bp->rx_nr_rings)
return false;
vnics = 1 + bp->rx_nr_rings;
@@ -11725,10 +11725,9 @@ static int bnxt_init_dflt_ring_mode(struct bnxt *bp)
goto init_dflt_ring_err;
bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
- if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) {
- bp->flags |= BNXT_FLAG_RFS;
- bp->dev->features |= NETIF_F_NTUPLE;
- }
+
+ bnxt_set_dflt_rfs(bp);
+
init_dflt_ring_err:
bnxt_ulp_irq_restart(bp, rc);
return rc;
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 2affdddc12bf..e03e2bfcc6a1 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1547,6 +1547,11 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev,
return skb;
}
+static void bcmgenet_hide_tsb(struct sk_buff *skb)
+{
+ __skb_pull(skb, sizeof(struct status_64));
+}
+
static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
@@ -1655,6 +1660,8 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
}
GENET_CB(skb)->last_cb = tx_cb_ptr;
+
+ bcmgenet_hide_tsb(skb);
skb_tx_timestamp(skb);
/* Decrement total BD count and advance our write pointer */
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 002a374f197b..78219a9943a7 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -927,7 +927,6 @@ static void gem_rx_refill(struct macb_queue *queue)
/* Make hw descriptor updates visible to CPU */
rmb();
- queue->rx_prepared_head++;
desc = macb_rx_desc(queue, entry);
if (!queue->rx_skbuff[entry]) {
@@ -966,6 +965,7 @@ static void gem_rx_refill(struct macb_queue *queue)
dma_wmb();
desc->addr &= ~MACB_BIT(RX_USED);
}
+ queue->rx_prepared_head++;
}
/* Make descriptor updates visible to hardware */
diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c
index 3e3e08698876..fea4223ad6f1 100644
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -1410,8 +1410,10 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* alloc_etherdev ensures aligned and zeroed private structures */
dev = alloc_etherdev (sizeof (*tp));
- if (!dev)
+ if (!dev) {
+ pci_disable_device(pdev);
return -ENOMEM;
+ }
SET_NETDEV_DEV(dev, &pdev->dev);
if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) {
@@ -1788,6 +1790,7 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
err_out_free_netdev:
free_netdev (dev);
+ pci_disable_device(pdev);
return -ENODEV;
}
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 2c06cdcd3e75..d7478d332820 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1880,6 +1880,11 @@ static int ftgmac100_probe(struct platform_device *pdev)
/* AST2400 doesn't have working HW checksum generation */
if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac")))
netdev->hw_features &= ~NETIF_F_HW_CSUM;
+
+ /* AST2600 tx checksum with NCSI is broken */
+ if (priv->use_ncsi && of_device_is_compatible(np, "aspeed,ast2600-mac"))
+ netdev->hw_features &= ~NETIF_F_HW_CSUM;
+
if (np && of_get_property(np, "no-hw-checksum", NULL))
netdev->hw_features &= ~(NETIF_F_HW_CSUM | NETIF_F_RXCSUM);
netdev->features |= netdev->hw_features;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index 23a706a1765a..410a9bf7bf0a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -64,6 +64,13 @@ static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
enum hclge_cmd_status status;
struct hclge_desc desc;
+ if (msg_len > HCLGE_MBX_MAX_MSG_SIZE) {
+ dev_err(&hdev->pdev->dev,
+ "msg data length(=%u) exceeds maximum(=%u)\n",
+ msg_len, HCLGE_MBX_MAX_MSG_SIZE);
+ return -EMSGSIZE;
+ }
+
resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index a6ae4b7b11af..7f4aa2239786 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7120,42 +7120,43 @@ static void i40e_free_macvlan_channels(struct i40e_vsi *vsi)
static int i40e_fwd_ring_up(struct i40e_vsi *vsi, struct net_device *vdev,
struct i40e_fwd_adapter *fwd)
{
+ struct i40e_channel *ch = NULL, *ch_tmp, *iter;
int ret = 0, num_tc = 1, i, aq_err;
- struct i40e_channel *ch, *ch_tmp;
struct i40e_pf *pf = vsi->back;
struct i40e_hw *hw = &pf->hw;
- if (list_empty(&vsi->macvlan_list))
- return -EINVAL;
-
/* Go through the list and find an available channel */
- list_for_each_entry_safe(ch, ch_tmp, &vsi->macvlan_list, list) {
- if (!i40e_is_channel_macvlan(ch)) {
- ch->fwd = fwd;
+ list_for_each_entry_safe(iter, ch_tmp, &vsi->macvlan_list, list) {
+ if (!i40e_is_channel_macvlan(iter)) {
+ iter->fwd = fwd;
/* record configuration for macvlan interface in vdev */
for (i = 0; i < num_tc; i++)
netdev_bind_sb_channel_queue(vsi->netdev, vdev,
i,
- ch->num_queue_pairs,
- ch->base_queue);
- for (i = 0; i < ch->num_queue_pairs; i++) {
+ iter->num_queue_pairs,
+ iter->base_queue);
+ for (i = 0; i < iter->num_queue_pairs; i++) {
struct i40e_ring *tx_ring, *rx_ring;
u16 pf_q;
- pf_q = ch->base_queue + i;
+ pf_q = iter->base_queue + i;
/* Get to TX ring ptr */
tx_ring = vsi->tx_rings[pf_q];
- tx_ring->ch = ch;
+ tx_ring->ch = iter;
/* Get the RX ring ptr */
rx_ring = vsi->rx_rings[pf_q];
- rx_ring->ch = ch;
+ rx_ring->ch = iter;
}
+ ch = iter;
break;
}
}
+ if (!ch)
+ return -EINVAL;
+
/* Guarantee all rings are updated before we update the
* MAC address filter.
*/
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 3eea68f3a526..88750a96cb3f 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3561,9 +3561,10 @@ static int ice_up_complete(struct ice_vsi *vsi)
netif_carrier_on(vsi->netdev);
}
- /* clear this now, and the first stats read will be used as baseline */
- vsi->stat_offsets_loaded = false;
-
+ /* Perform an initial read of the statistics registers now to
+ * set the baseline so counters are ready when interface is up
+ */
+ ice_update_eth_stats(vsi);
ice_service_task_schedule(pf);
return 0;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 3df25b231ab5..26c8d09ad4dd 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5318,7 +5318,8 @@ static void igb_watchdog_task(struct work_struct *work)
break;
}
- if (adapter->link_speed != SPEED_1000)
+ if (adapter->link_speed != SPEED_1000 ||
+ !hw->phy.ops.read_reg)
goto no_wait;
/* wait for Remote receiver status OK */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index b14b164c9601..5799b434165e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -903,7 +903,8 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
/* Tx IPsec offload doesn't seem to work on this
* device, so block these requests for now.
*/
- if (!(sam->flags & XFRM_OFFLOAD_INBOUND)) {
+ sam->flags = sam->flags & ~XFRM_OFFLOAD_IPV6;
+ if (sam->flags != XFRM_OFFLOAD_INBOUND) {
err = -EOPNOTSUPP;
goto err_out;
}
diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
index 4db27dfc7ec1..6702d7703088 100644
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -26,6 +26,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3)
break;
ss->regmap[i] = syscon_node_to_regmap(np);
+ of_node_put(np);
if (IS_ERR(ss->regmap[i]))
return PTR_ERR(ss->regmap[i]);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 2465165cbea7..73291051808f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3980,6 +3980,13 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev,
}
}
+ if (params->xdp_prog) {
+ if (features & NETIF_F_LRO) {
+ netdev_warn(netdev, "LRO is incompatible with XDP\n");
+ features &= ~NETIF_F_LRO;
+ }
+ }
+
if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) {
features &= ~NETIF_F_RXHASH;
if (netdev->features & NETIF_F_RXHASH)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_asm.c b/drivers/net/ethernet/netronome/nfp/nfp_asm.c
index b04b83687fe2..488615434e4a 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_asm.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_asm.c
@@ -196,7 +196,7 @@ int swreg_to_unrestricted(swreg dst, swreg lreg, swreg rreg,
}
reg->dst_lmextn = swreg_lmextn(dst);
- reg->src_lmextn = swreg_lmextn(lreg) | swreg_lmextn(rreg);
+ reg->src_lmextn = swreg_lmextn(lreg) || swreg_lmextn(rreg);
return 0;
}
@@ -277,7 +277,7 @@ int swreg_to_restricted(swreg dst, swreg lreg, swreg rreg,
}
reg->dst_lmextn = swreg_lmextn(dst);
- reg->src_lmextn = swreg_lmextn(lreg) | swreg_lmextn(rreg);
+ reg->src_lmextn = swreg_lmextn(lreg) || swreg_lmextn(rreg);
return 0;
}
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index da2862d59681..5e81cd317a32 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -3629,7 +3629,8 @@ static void ql_reset_work(struct work_struct *work)
qdev->mem_map_registers;
unsigned long hw_flags;
- if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START), &qdev->flags)) {
+ if (test_bit(QL_RESET_PER_SCSI, &qdev->flags) ||
+ test_bit(QL_RESET_START, &qdev->flags)) {
clear_bit(QL_LINK_MASTER, &qdev->flags);
/*
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 0ec13f520e90..936e64dd81b5 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -6160,6 +6160,11 @@ static int efx_ef10_mtd_probe(struct efx_nic *efx)
n_parts++;
}
+ if (!n_parts) {
+ kfree(parts);
+ return 0;
+ }
+
rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
fail:
if (rc)
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index c7bdada4d1b9..7767d0ae9ebc 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2433,7 +2433,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
if (irq == -EPROBE_DEFER) {
retval = -EPROBE_DEFER;
goto out_0;
- } else if (irq <= 0) {
+ } else if (irq < 0) {
pr_warn("Could not allocate irq resource\n");
retval = -ENODEV;
goto out_0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 72e47621d27c..934c34e98d55 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -65,8 +65,9 @@ static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
struct phy_device *phy_dev = ndev->phydev;
u32 val;
- writew(SGMII_ADAPTER_DISABLE,
- sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
+ if (sgmii_adapter_base)
+ writew(SGMII_ADAPTER_DISABLE,
+ sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
if (splitter_base) {
val = readl(splitter_base + EMAC_SPLITTER_CTRL_REG);
@@ -88,10 +89,11 @@ static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
writel(val, splitter_base + EMAC_SPLITTER_CTRL_REG);
}
- writew(SGMII_ADAPTER_ENABLE,
- sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
- if (phy_dev)
+ if (phy_dev && sgmii_adapter_base) {
+ writew(SGMII_ADAPTER_ENABLE,
+ sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
tse_pcs_fix_mac_speed(&dwmac->pcs, phy_dev, speed);
+ }
}
static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *dev)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 7c73d296b940..497ce6e6b16f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -879,6 +879,7 @@ static int sun8i_dwmac_register_mdio_mux(struct stmmac_priv *priv)
ret = mdio_mux_init(priv->device, mdio_mux, mdio_mux_syscon_switch_fn,
&gmac->mux_handle, priv, priv->mii);
+ of_node_put(mdio_mux);
return ret;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 4641a44b0279..e4cc38a560e6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4675,7 +4675,7 @@ int stmmac_dvr_probe(struct device *device,
dev_info(priv->device, "TSO feature enabled\n");
}
- if (priv->dma_cap.sphen) {
+ if (priv->dma_cap.sphen && !priv->plat->sph_disable) {
ndev->hw_features |= NETIF_F_GRO;
priv->sph = true;
dev_info(priv->device, "SPH feature enabled\n");
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 292045f4581f..0edcf3f704b7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -119,6 +119,7 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
plat->has_gmac4 = 1;
plat->force_sf_dma_mode = 0;
plat->tso_en = 1;
+ plat->sph_disable = 1;
plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;
@@ -481,7 +482,7 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
return -ENOMEM;
/* Enable pci device */
- ret = pci_enable_device(pdev);
+ ret = pcim_enable_device(pdev);
if (ret) {
dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
__func__);
@@ -538,8 +539,6 @@ static void stmmac_pci_remove(struct pci_dev *pdev)
pcim_iounmap_regions(pdev, BIT(i));
break;
}
-
- pci_disable_device(pdev);
}
static int __maybe_unused stmmac_pci_suspend(struct device *dev)
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 63a2d1bcccfb..6e5ea68b6a7e 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -820,10 +820,10 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg,
static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
{
struct mii_bus *bus;
- int rc;
struct resource res;
struct device_node *np = of_get_parent(lp->phy_node);
struct device_node *npp;
+ int rc, ret;
/* Don't register the MDIO bus if the phy_node or its parent node
* can't be found.
@@ -833,8 +833,14 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
return -ENODEV;
}
npp = of_get_parent(np);
-
- of_address_to_resource(npp, 0, &res);
+ ret = of_address_to_resource(npp, 0, &res);
+ of_node_put(npp);
+ if (ret) {
+ dev_err(dev, "%s resource error!\n",
+ dev->of_node->full_name);
+ of_node_put(np);
+ return ret;
+ }
if (lp->ndev->mem_start != res.start) {
struct phy_device *phydev;
phydev = of_phy_find_device(lp->phy_node);
@@ -843,6 +849,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
"MDIO of the phy is not registered yet\n");
else
put_device(&phydev->mdio.dev);
+ of_node_put(np);
return 0;
}
@@ -855,6 +862,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
bus = mdiobus_alloc();
if (!bus) {
dev_err(dev, "Failed to allocate mdiobus\n");
+ of_node_put(np);
return -ENOMEM;
}
@@ -867,6 +875,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
bus->parent = dev;
rc = of_mdiobus_register(bus, np);
+ of_node_put(np);
if (rc) {
dev_err(dev, "Failed to register mdio bus.\n");
goto err_register;
@@ -923,8 +932,6 @@ static int xemaclite_open(struct net_device *dev)
xemaclite_disable_interrupts(lp);
if (lp->phy_node) {
- u32 bmcr;
-
lp->phy_dev = of_phy_connect(lp->ndev, lp->phy_node,
xemaclite_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
@@ -935,19 +942,6 @@ static int xemaclite_open(struct net_device *dev)
/* EmacLite doesn't support giga-bit speeds */
phy_set_max_speed(lp->phy_dev, SPEED_100);
-
- /* Don't advertise 1000BASE-T Full/Half duplex speeds */
- phy_write(lp->phy_dev, MII_CTRL1000, 0);
-
- /* Advertise only 10 and 100mbps full/half duplex speeds */
- phy_write(lp->phy_dev, MII_ADVERTISE, ADVERTISE_ALL |
- ADVERTISE_CSMA);
-
- /* Restart auto negotiation */
- bmcr = phy_read(lp->phy_dev, MII_BMCR);
- bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
- phy_write(lp->phy_dev, MII_BMCR, bmcr);
-
phy_start(lp->phy_dev);
}
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 02d6f3ad9aca..83dc1c2c3b84 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -311,7 +311,6 @@ static void sp_setup(struct net_device *dev)
{
/* Finish setting up the DEVICE info. */
dev->netdev_ops = &sp_netdev_ops;
- dev->needs_free_netdev = true;
dev->mtu = SIXP_MTU;
dev->hard_header_len = AX25_MAX_HEADER_LEN;
dev->header_ops = &ax25_header_ops;
@@ -679,9 +678,11 @@ static void sixpack_close(struct tty_struct *tty)
del_timer_sync(&sp->tx_t);
del_timer_sync(&sp->resync_t);
- /* Free all 6pack frame buffers. */
+ /* Free all 6pack frame buffers after unreg. */
kfree(sp->rbuff);
kfree(sp->xbuff);
+
+ free_netdev(sp->dev);
}
/* Perform I/O control on an active 6pack channel. */
diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c
index a4b3fce69ecd..6016e182f008 100644
--- a/drivers/net/hippi/rrunner.c
+++ b/drivers/net/hippi/rrunner.c
@@ -1346,7 +1346,9 @@ static int rr_close(struct net_device *dev)
rrpriv->fw_running = 0;
+ spin_unlock_irqrestore(&rrpriv->lock, flags);
del_timer_sync(&rrpriv->timer);
+ spin_lock_irqsave(&rrpriv->lock, flags);
writel(0, ®s->TxPi);
writel(0, ®s->IpRxPi);
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 6c52ff8c0d2e..9e8cf64f0442 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -116,10 +116,15 @@ EXPORT_SYMBOL(phy_print_status);
*/
static int phy_clear_interrupt(struct phy_device *phydev)
{
- if (phydev->drv->ack_interrupt)
- return phydev->drv->ack_interrupt(phydev);
+ int ret = 0;
- return 0;
+ if (phydev->drv->ack_interrupt) {
+ mutex_lock(&phydev->lock);
+ ret = phydev->drv->ack_interrupt(phydev);
+ mutex_unlock(&phydev->lock);
+ }
+
+ return ret;
}
/**
@@ -760,6 +765,36 @@ static int phy_disable_interrupts(struct phy_device *phydev)
return phy_clear_interrupt(phydev);
}
+/**
+ * phy_did_interrupt - Checks if the PHY generated an interrupt
+ * @phydev: target phy_device struct
+ */
+static int phy_did_interrupt(struct phy_device *phydev)
+{
+ int ret;
+
+ mutex_lock(&phydev->lock);
+ ret = phydev->drv->did_interrupt(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+}
+
+/**
+ * phy_handle_interrupt - PHY specific interrupt handler
+ * @phydev: target phy_device struct
+ */
+static int phy_handle_interrupt(struct phy_device *phydev)
+{
+ int ret;
+
+ mutex_lock(&phydev->lock);
+ ret = phydev->drv->handle_interrupt(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+}
+
/**
* phy_interrupt - PHY interrupt handler
* @irq: interrupt line
@@ -771,11 +806,11 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat)
{
struct phy_device *phydev = phy_dat;
- if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev))
+ if (phydev->drv->did_interrupt && !phy_did_interrupt(phydev))
return IRQ_NONE;
if (phydev->drv->handle_interrupt) {
- if (phydev->drv->handle_interrupt(phydev))
+ if (phy_handle_interrupt(phydev))
goto phy_err;
} else {
/* reschedule state queue work to run as soon as possible */
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index cf090f88dac0..609f65530b9b 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -595,6 +595,7 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
if (dma_mapping_error(&adapter->pdev->dev,
rbi->dma_addr)) {
dev_kfree_skb_any(rbi->skb);
+ rbi->skb = NULL;
rq->stats.rx_buf_alloc_failure++;
break;
}
@@ -619,6 +620,7 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
if (dma_mapping_error(&adapter->pdev->dev,
rbi->dma_addr)) {
put_page(rbi->page);
+ rbi->page = NULL;
rq->stats.rx_buf_alloc_failure++;
break;
}
@@ -1584,6 +1586,10 @@ vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
u32 i, ring_idx;
struct Vmxnet3_RxDesc *rxd;
+ /* ring has already been cleaned up */
+ if (!rq->rx_ring[0].base)
+ return;
+
for (ring_idx = 0; ring_idx < 2; ring_idx++) {
for (i = 0; i < rq->rx_ring[ring_idx].size; i++) {
#ifdef __BIG_ENDIAN_BITFIELD
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 093e9943320e..6e01cb17d731 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2121,11 +2121,13 @@ static void hw_scan_work(struct work_struct *work)
if (req->ie_len)
skb_put_data(probe, req->ie, req->ie_len);
+ rcu_read_lock();
if (!ieee80211_tx_prepare_skb(hwsim->hw,
hwsim->hw_scan_vif,
probe,
hwsim->tmp_chan->band,
NULL)) {
+ rcu_read_unlock();
kfree_skb(probe);
continue;
}
@@ -2133,6 +2135,7 @@ static void hw_scan_work(struct work_struct *work)
local_bh_disable();
mac80211_hwsim_tx_frame(hwsim->hw, probe,
hwsim->tmp_chan);
+ rcu_read_unlock();
local_bh_enable();
}
}
diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c
index 529be35ac178..54d228acc0f5 100644
--- a/drivers/nfc/nfcmrvl/main.c
+++ b/drivers/nfc/nfcmrvl/main.c
@@ -194,6 +194,7 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
{
struct nci_dev *ndev = priv->ndev;
+ nci_unregister_device(ndev);
if (priv->ndev->nfc_dev->fw_download_in_progress)
nfcmrvl_fw_dnld_abort(priv);
@@ -202,7 +203,6 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
if (gpio_is_valid(priv->config.reset_n_io))
gpio_free(priv->config.reset_n_io);
- nci_unregister_device(ndev);
nci_free_device(ndev);
kfree(priv);
}
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6a9a42809f97..79e22618817d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4047,6 +4047,7 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl)
if (ctrl->queue_count > 1) {
nvme_queue_scan(ctrl);
nvme_start_queues(ctrl);
+ nvme_mpath_update(ctrl);
}
ctrl->created = true;
}
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 4d615337e6e2..811f7b96b551 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -501,8 +501,17 @@ static void nvme_update_ns_ana_state(struct nvme_ana_group_desc *desc,
ns->ana_grpid = le32_to_cpu(desc->grpid);
ns->ana_state = desc->state;
clear_bit(NVME_NS_ANA_PENDING, &ns->flags);
-
- if (nvme_state_is_live(ns->ana_state))
+ /*
+ * nvme_mpath_set_live() will trigger I/O to the multipath path device
+ * and in turn to this path device. However we cannot accept this I/O
+ * if the controller is not live. This may deadlock if called from
+ * nvme_mpath_init_identify() and the ctrl will never complete
+ * initialization, preventing I/O from completing. For this case we
+ * will reprocess the ANA log page in nvme_mpath_update() once the
+ * controller is ready.
+ */
+ if (nvme_state_is_live(ns->ana_state) &&
+ ns->ctrl->state == NVME_CTRL_LIVE)
nvme_mpath_set_live(ns);
}
@@ -586,6 +595,18 @@ static void nvme_ana_work(struct work_struct *work)
nvme_read_ana_log(ctrl);
}
+void nvme_mpath_update(struct nvme_ctrl *ctrl)
+{
+ u32 nr_change_groups = 0;
+
+ if (!ctrl->ana_log_buf)
+ return;
+
+ mutex_lock(&ctrl->ana_lock);
+ nvme_parse_ana_log(ctrl, &nr_change_groups, nvme_update_ana_state);
+ mutex_unlock(&ctrl->ana_lock);
+}
+
static void nvme_anatt_timeout(struct timer_list *t)
{
struct nvme_ctrl *ctrl = from_timer(ctrl, t, anatt_timer);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2df90d4355b9..1d1431dd4f9e 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -551,6 +551,7 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id);
void nvme_mpath_remove_disk(struct nvme_ns_head *head);
int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id);
void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl);
+void nvme_mpath_update(struct nvme_ctrl *ctrl);
void nvme_mpath_uninit(struct nvme_ctrl *ctrl);
void nvme_mpath_stop(struct nvme_ctrl *ctrl);
bool nvme_mpath_clear_current_path(struct nvme_ns *ns);
@@ -648,6 +649,9 @@ static inline int nvme_mpath_init_identify(struct nvme_ctrl *ctrl,
"Please enable CONFIG_NVME_MULTIPATH for full support of multi-port devices.\n");
return 0;
}
+static inline void nvme_mpath_update(struct nvme_ctrl *ctrl)
+{
+}
static inline void nvme_mpath_uninit(struct nvme_ctrl *ctrl)
{
}
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 721d2652319c..7219ca39aa90 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -108,6 +108,7 @@
#define PCIE_MSI_ADDR_HIGH_REG (CONTROL_BASE_ADDR + 0x54)
#define PCIE_MSI_STATUS_REG (CONTROL_BASE_ADDR + 0x58)
#define PCIE_MSI_MASK_REG (CONTROL_BASE_ADDR + 0x5C)
+#define PCIE_MSI_ALL_MASK GENMASK(31, 0)
#define PCIE_MSI_PAYLOAD_REG (CONTROL_BASE_ADDR + 0x9C)
#define PCIE_MSI_DATA_MASK GENMASK(15, 0)
@@ -561,6 +562,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG);
/* Clear all interrupts */
+ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG);
advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG);
advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG);
advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG);
@@ -573,7 +575,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG);
/* Unmask all MSIs */
- advk_writel(pcie, 0, PCIE_MSI_MASK_REG);
+ advk_writel(pcie, ~(u32)PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG);
/* Enable summary interrupt for GIC SPI source */
reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK);
@@ -1370,23 +1372,19 @@ static void advk_pcie_remove_irq_domain(struct advk_pcie *pcie)
static void advk_pcie_handle_msi(struct advk_pcie *pcie)
{
u32 msi_val, msi_mask, msi_status, msi_idx;
- u16 msi_data;
+ int virq;
msi_mask = advk_readl(pcie, PCIE_MSI_MASK_REG);
msi_val = advk_readl(pcie, PCIE_MSI_STATUS_REG);
- msi_status = msi_val & ~msi_mask;
+ msi_status = msi_val & ((~msi_mask) & PCIE_MSI_ALL_MASK);
for (msi_idx = 0; msi_idx < MSI_IRQ_NUM; msi_idx++) {
if (!(BIT(msi_idx) & msi_status))
continue;
- /*
- * msi_idx contains bits [4:0] of the msi_data and msi_data
- * contains 16bit MSI interrupt number
- */
advk_writel(pcie, BIT(msi_idx), PCIE_MSI_STATUS_REG);
- msi_data = advk_readl(pcie, PCIE_MSI_PAYLOAD_REG) & PCIE_MSI_DATA_MASK;
- generic_handle_irq(msi_data);
+ virq = irq_find_mapping(pcie->msi_inner_domain, msi_idx);
+ generic_handle_irq(virq);
}
advk_writel(pcie, PCIE_ISR0_MSI_INT_PENDING,
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index f86dcb4e08f2..74e7d20677c5 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2623,6 +2623,16 @@ static const struct dmi_system_id bridge_d3_blacklist[] = {
DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."),
DMI_MATCH(DMI_BOARD_NAME, "X299 DESIGNARE EX-CF"),
},
+ /*
+ * Downstream device is not accessible after putting a root port
+ * into D3cold and back into D0 on Elo i2.
+ */
+ .ident = "Elo i2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Elo Touch Solutions"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Elo i2"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "RevB"),
+ },
},
#endif
{ }
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 94a34cf75eb3..39d13f7e4cf3 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -628,7 +628,8 @@ static int phy_mdm6600_probe(struct platform_device *pdev)
cleanup:
if (error < 0)
phy_mdm6600_device_power_off(ddata);
-
+ pm_runtime_disable(ddata->dev);
+ pm_runtime_dont_use_autosuspend(ddata->dev);
return error;
}
diff --git a/drivers/phy/samsung/phy-exynos5250-sata.c b/drivers/phy/samsung/phy-exynos5250-sata.c
index 4dd7324d91b2..ea46576404b8 100644
--- a/drivers/phy/samsung/phy-exynos5250-sata.c
+++ b/drivers/phy/samsung/phy-exynos5250-sata.c
@@ -190,6 +190,7 @@ static int exynos_sata_phy_probe(struct platform_device *pdev)
return -EINVAL;
sata_phy->client = of_find_i2c_device_by_node(node);
+ of_node_put(node);
if (!sata_phy->client)
return -EPROBE_DEFER;
@@ -198,20 +199,21 @@ static int exynos_sata_phy_probe(struct platform_device *pdev)
sata_phy->phyclk = devm_clk_get(dev, "sata_phyctrl");
if (IS_ERR(sata_phy->phyclk)) {
dev_err(dev, "failed to get clk for PHY\n");
- return PTR_ERR(sata_phy->phyclk);
+ ret = PTR_ERR(sata_phy->phyclk);
+ goto put_dev;
}
ret = clk_prepare_enable(sata_phy->phyclk);
if (ret < 0) {
dev_err(dev, "failed to enable source clk\n");
- return ret;
+ goto put_dev;
}
sata_phy->phy = devm_phy_create(dev, NULL, &exynos_sata_phy_ops);
if (IS_ERR(sata_phy->phy)) {
- clk_disable_unprepare(sata_phy->phyclk);
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(sata_phy->phy);
+ ret = PTR_ERR(sata_phy->phy);
+ goto clk_disable;
}
phy_set_drvdata(sata_phy->phy, sata_phy);
@@ -219,11 +221,18 @@ static int exynos_sata_phy_probe(struct platform_device *pdev)
phy_provider = devm_of_phy_provider_register(dev,
of_phy_simple_xlate);
if (IS_ERR(phy_provider)) {
- clk_disable_unprepare(sata_phy->phyclk);
- return PTR_ERR(phy_provider);
+ ret = PTR_ERR(phy_provider);
+ goto clk_disable;
}
return 0;
+
+clk_disable:
+ clk_disable_unprepare(sata_phy->phyclk);
+put_dev:
+ put_device(&sata_phy->client->dev);
+
+ return ret;
}
static const struct of_device_id exynos_sata_phy_of_match[] = {
diff --git a/drivers/phy/ti/phy-am654-serdes.c b/drivers/phy/ti/phy-am654-serdes.c
index 6ef12017ff4e..96e3426f9293 100644
--- a/drivers/phy/ti/phy-am654-serdes.c
+++ b/drivers/phy/ti/phy-am654-serdes.c
@@ -641,7 +641,7 @@ static int serdes_am654_probe(struct platform_device *pdev)
clk_err:
of_clk_del_provider(node);
-
+ pm_runtime_disable(dev);
return ret;
}
diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index 3d74629d7423..471fe2e80f4e 100644
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -157,7 +157,7 @@ static int omap_usb2_enable_clocks(struct omap_usb *phy)
return 0;
err1:
- clk_disable(phy->wkupclk);
+ clk_disable_unprepare(phy->wkupclk);
err0:
return ret;
diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index 379e9a6a6d89..5f381e4c7577 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1370,10 +1370,10 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
}
irq = irq_of_parse_and_map(child, 0);
- if (irq < 0) {
- dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq);
+ if (!irq) {
+ dev_err(pctl->dev, "No IRQ for bank %u\n", i);
of_node_put(child);
- ret = irq;
+ ret = -EINVAL;
goto err;
}
diff --git a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c
index 2801ca706273..68a5b627fb9b 100644
--- a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c
+++ b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c
@@ -204,7 +204,7 @@ static const struct sunxi_desc_pin suniv_f1c100s_pins[] = {
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "lcd"), /* D20 */
- SUNXI_FUNCTION(0x3, "lvds1"), /* RX */
+ SUNXI_FUNCTION(0x3, "uart2"), /* RX */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 14)),
SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 15),
SUNXI_FUNCTION(0x0, "gpio_in"),
diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c
index 6ae484989d1f..c4b57e1df192 100644
--- a/drivers/platform/chrome/cros_ec_debugfs.c
+++ b/drivers/platform/chrome/cros_ec_debugfs.c
@@ -26,6 +26,9 @@
#define CIRC_ADD(idx, size, value) (((idx) + (value)) & ((size) - 1))
+/* waitqueue for log readers */
+static DECLARE_WAIT_QUEUE_HEAD(cros_ec_debugfs_log_wq);
+
/**
* struct cros_ec_debugfs - EC debugging information.
*
@@ -34,7 +37,6 @@
* @log_buffer: circular buffer for console log information
* @read_msg: preallocated EC command and buffer to read console log
* @log_mutex: mutex to protect circular buffer
- * @log_wq: waitqueue for log readers
* @log_poll_work: recurring task to poll EC for new console log data
* @panicinfo_blob: panicinfo debugfs blob
*/
@@ -45,7 +47,6 @@ struct cros_ec_debugfs {
struct circ_buf log_buffer;
struct cros_ec_command *read_msg;
struct mutex log_mutex;
- wait_queue_head_t log_wq;
struct delayed_work log_poll_work;
/* EC panicinfo */
struct debugfs_blob_wrapper panicinfo_blob;
@@ -108,7 +109,7 @@ static void cros_ec_console_log_work(struct work_struct *__work)
buf_space--;
}
- wake_up(&debug_info->log_wq);
+ wake_up(&cros_ec_debugfs_log_wq);
}
mutex_unlock(&debug_info->log_mutex);
@@ -142,7 +143,7 @@ static ssize_t cros_ec_console_log_read(struct file *file, char __user *buf,
mutex_unlock(&debug_info->log_mutex);
- ret = wait_event_interruptible(debug_info->log_wq,
+ ret = wait_event_interruptible(cros_ec_debugfs_log_wq,
CIRC_CNT(cb->head, cb->tail, LOG_SIZE));
if (ret < 0)
return ret;
@@ -174,7 +175,7 @@ static __poll_t cros_ec_console_log_poll(struct file *file,
struct cros_ec_debugfs *debug_info = file->private_data;
__poll_t mask = 0;
- poll_wait(file, &debug_info->log_wq, wait);
+ poll_wait(file, &cros_ec_debugfs_log_wq, wait);
mutex_lock(&debug_info->log_mutex);
if (CIRC_CNT(debug_info->log_buffer.head,
@@ -359,7 +360,6 @@ static int cros_ec_create_console_log(struct cros_ec_debugfs *debug_info)
debug_info->log_buffer.tail = 0;
mutex_init(&debug_info->log_mutex);
- init_waitqueue_head(&debug_info->log_wq);
debugfs_create_file("console_log", S_IFREG | 0444, debug_info->dir,
debug_info, &cros_ec_console_log_fops);
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 970b19c0fead..d733742af5a9 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -26,6 +26,15 @@ struct class *rtc_class;
static void rtc_device_release(struct device *dev)
{
struct rtc_device *rtc = to_rtc_device(dev);
+ struct timerqueue_head *head = &rtc->timerqueue;
+ struct timerqueue_node *node;
+
+ mutex_lock(&rtc->ops_lock);
+ while ((node = timerqueue_getnext(head)))
+ timerqueue_del(head, node);
+ mutex_unlock(&rtc->ops_lock);
+
+ cancel_work_sync(&rtc->irqwork);
ida_simple_remove(&rtc_ida, rtc->id);
kfree(rtc);
diff --git a/drivers/rtc/rtc-mc146818-lib.c b/drivers/rtc/rtc-mc146818-lib.c
index 5add637c9ad2..b036ff33fbe6 100644
--- a/drivers/rtc/rtc-mc146818-lib.c
+++ b/drivers/rtc/rtc-mc146818-lib.c
@@ -99,6 +99,17 @@ unsigned int mc146818_get_time(struct rtc_time *time)
}
EXPORT_SYMBOL_GPL(mc146818_get_time);
+/* AMD systems don't allow access to AltCentury with DV1 */
+static bool apply_amd_register_a_behavior(void)
+{
+#ifdef CONFIG_X86
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
+ boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)
+ return true;
+#endif
+ return false;
+}
+
/* Set the current date and time in the real time clock. */
int mc146818_set_time(struct rtc_time *time)
{
@@ -172,7 +183,10 @@ int mc146818_set_time(struct rtc_time *time)
save_control = CMOS_READ(RTC_CONTROL);
CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);
save_freq_select = CMOS_READ(RTC_FREQ_SELECT);
- CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
+ if (apply_amd_register_a_behavior())
+ CMOS_WRITE((save_freq_select & ~RTC_AMD_BANK_SELECT), RTC_FREQ_SELECT);
+ else
+ CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
#ifdef CONFIG_MACH_DECSTATION
CMOS_WRITE(real_yrs, RTC_DEC_YEAR);
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index b577c8f7e346..e0570cd0e520 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1462,6 +1462,13 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
if (!cqr->lpm)
cqr->lpm = dasd_path_get_opm(device);
}
+ /*
+ * remember the amount of formatted tracks to prevent double format on
+ * ESE devices
+ */
+ if (cqr->block)
+ cqr->trkcount = atomic_read(&cqr->block->trkcount);
+
if (cqr->cpmode == 1) {
rc = ccw_device_tm_start(device->cdev, cqr->cpaddr,
(long) cqr, cqr->lpm);
@@ -1680,6 +1687,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
unsigned long now;
int nrf_suppressed = 0;
int fp_suppressed = 0;
+ struct request *req;
u8 *sense = NULL;
int expires;
@@ -1780,7 +1788,12 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
}
if (dasd_ese_needs_format(cqr->block, irb)) {
- if (rq_data_dir((struct request *)cqr->callback_data) == READ) {
+ req = dasd_get_callback_data(cqr);
+ if (!req) {
+ cqr->status = DASD_CQR_ERROR;
+ return;
+ }
+ if (rq_data_dir(req) == READ) {
device->discipline->ese_read(cqr, irb);
cqr->status = DASD_CQR_SUCCESS;
cqr->stopclk = now;
@@ -2799,8 +2812,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr)
* complete a request partially.
*/
if (proc_bytes) {
- blk_update_request(req, BLK_STS_OK,
- blk_rq_bytes(req) - proc_bytes);
+ blk_update_request(req, BLK_STS_OK, proc_bytes);
blk_mq_requeue_request(req, true);
} else {
blk_mq_complete_request(req);
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ad44d22e8859..7749deb614d7 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3026,13 +3026,24 @@ static int dasd_eckd_format_device(struct dasd_device *base,
}
static bool test_and_set_format_track(struct dasd_format_entry *to_format,
- struct dasd_block *block)
+ struct dasd_ccw_req *cqr)
{
+ struct dasd_block *block = cqr->block;
struct dasd_format_entry *format;
unsigned long flags;
bool rc = false;
spin_lock_irqsave(&block->format_lock, flags);
+ if (cqr->trkcount != atomic_read(&block->trkcount)) {
+ /*
+ * The number of formatted tracks has changed after request
+ * start and we can not tell if the current track was involved.
+ * To avoid data corruption treat it as if the current track is
+ * involved
+ */
+ rc = true;
+ goto out;
+ }
list_for_each_entry(format, &block->format_list, list) {
if (format->track == to_format->track) {
rc = true;
@@ -3052,6 +3063,7 @@ static void clear_format_track(struct dasd_format_entry *format,
unsigned long flags;
spin_lock_irqsave(&block->format_lock, flags);
+ atomic_inc(&block->trkcount);
list_del_init(&format->list);
spin_unlock_irqrestore(&block->format_lock, flags);
}
@@ -3088,7 +3100,7 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr,
sector_t curr_trk;
int rc;
- req = cqr->callback_data;
+ req = dasd_get_callback_data(cqr);
block = cqr->block;
base = block->base;
private = base->private;
@@ -3113,8 +3125,11 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr,
}
format->track = curr_trk;
/* test if track is already in formatting by another thread */
- if (test_and_set_format_track(format, block))
+ if (test_and_set_format_track(format, cqr)) {
+ /* this is no real error so do not count down retries */
+ cqr->retries++;
return ERR_PTR(-EEXIST);
+ }
fdata.start_unit = curr_trk;
fdata.stop_unit = curr_trk;
@@ -3213,12 +3228,11 @@ static int dasd_eckd_ese_read(struct dasd_ccw_req *cqr, struct irb *irb)
cqr->proc_bytes = blk_count * blksize;
return 0;
}
- if (dst && !skip_block) {
- dst += off;
+ if (dst && !skip_block)
memset(dst, 0, blksize);
- } else {
+ else
skip_block--;
- }
+ dst += blksize;
blk_count++;
}
}
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index fa552f9f1666..9d9685c25253 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -188,6 +188,7 @@ struct dasd_ccw_req {
void (*callback)(struct dasd_ccw_req *, void *data);
void *callback_data;
unsigned int proc_bytes; /* bytes for partial completion */
+ unsigned int trkcount; /* count formatted tracks */
};
/*
@@ -575,6 +576,7 @@ struct dasd_block {
struct list_head format_list;
spinlock_t format_lock;
+ atomic_t trkcount;
};
struct dasd_attention_data {
@@ -723,6 +725,18 @@ dasd_check_blocksize(int bsize)
return 0;
}
+/*
+ * return the callback data of the original request in case there are
+ * ERP requests build on top of it
+ */
+static inline void *dasd_get_callback_data(struct dasd_ccw_req *cqr)
+{
+ while (cqr->refers)
+ cqr = cqr->refers;
+
+ return cqr->callback_data;
+}
+
/* externals in dasd.c */
#define DASD_PROFILE_OFF 0
#define DASD_PROFILE_ON 1
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index ab316baa8284..d766002bc5be 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -626,8 +626,6 @@ static void mpc_rcvd_sweep_resp(struct mpcg_info *mpcginfo)
ctcm_clear_busy_do(dev);
}
- kfree(mpcginfo);
-
return;
}
@@ -1206,10 +1204,10 @@ static void ctcmpc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
CTCM_FUNTAIL, dev->name);
priv->stats.rx_dropped++;
/* mpcginfo only used for non-data transfers */
- kfree(mpcginfo);
if (do_debug_data)
ctcmpc_dump_skb(pskb, -8);
}
+ kfree(mpcginfo);
}
done:
@@ -1991,7 +1989,6 @@ static void mpc_action_rcvd_xid0(fsm_instance *fsm, int event, void *arg)
}
break;
}
- kfree(mpcginfo);
CTCM_PR_DEBUG("ctcmpc:%s() %s xid2:%i xid7:%i xidt_p2:%i \n",
__func__, ch->id, grp->outstanding_xid2,
@@ -2052,7 +2049,6 @@ static void mpc_action_rcvd_xid7(fsm_instance *fsm, int event, void *arg)
mpc_validate_xid(mpcginfo);
break;
}
- kfree(mpcginfo);
return;
}
diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c
index ded1930a00b2..e3813a7aa5e6 100644
--- a/drivers/s390/net/ctcm_sysfs.c
+++ b/drivers/s390/net/ctcm_sysfs.c
@@ -39,11 +39,12 @@ static ssize_t ctcm_buffer_write(struct device *dev,
struct ctcm_priv *priv = dev_get_drvdata(dev);
int rc;
- ndev = priv->channel[CTCM_READ]->netdev;
- if (!(priv && priv->channel[CTCM_READ] && ndev)) {
+ if (!(priv && priv->channel[CTCM_READ] &&
+ priv->channel[CTCM_READ]->netdev)) {
CTCM_DBF_TEXT(SETUP, CTC_DBF_ERROR, "bfnondev");
return -ENODEV;
}
+ ndev = priv->channel[CTCM_READ]->netdev;
rc = kstrtouint(buf, 0, &bs1);
if (rc)
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 8f08b0a2917c..4eec7bfb5de9 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1735,10 +1735,11 @@ lcs_get_control(struct lcs_card *card, struct lcs_cmd *cmd)
lcs_schedule_recovery(card);
break;
case LCS_CMD_STOPLAN:
- pr_warn("Stoplan for %s initiated by LGW\n",
- card->dev->name);
- if (card->dev)
+ if (card->dev) {
+ pr_warn("Stoplan for %s initiated by LGW\n",
+ card->dev->name);
netif_carrier_off(card->dev);
+ }
break;
default:
LCS_DBF_TEXT(5, trace, "noLGWcmd");
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index df598c377161..cb97565b6a33 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -3768,6 +3768,9 @@ int qlt_abort_cmd(struct qla_tgt_cmd *cmd)
spin_lock_irqsave(&cmd->cmd_lock, flags);
if (cmd->aborted) {
+ if (cmd->sg_mapped)
+ qlt_unmap_sg(vha, cmd);
+
spin_unlock_irqrestore(&cmd->cmd_lock, flags);
/*
* It's normal to see 2 calls in this path:
diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
index a444badd8df5..0a6f7eeb7755 100644
--- a/drivers/slimbus/qcom-ctrl.c
+++ b/drivers/slimbus/qcom-ctrl.c
@@ -515,9 +515,9 @@ static int qcom_slim_probe(struct platform_device *pdev)
}
ctrl->irq = platform_get_irq(pdev, 0);
- if (!ctrl->irq) {
+ if (ctrl->irq < 0) {
dev_err(&pdev->dev, "no slimbus IRQ\n");
- return -ENODEV;
+ return ctrl->irq;
}
sctrl = &ctrl->ctrl;
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
index d8d44fd9a92f..ea2fd3a73c3a 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
@@ -1351,9 +1351,11 @@ static int rtw_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
sec_len = *(pos++); len-= 1;
- if (sec_len>0 && sec_len<=len) {
+ if (sec_len > 0 &&
+ sec_len <= len &&
+ sec_len <= 32) {
ssid[ssid_index].SsidLength = sec_len;
- memcpy(ssid[ssid_index].Ssid, pos, ssid[ssid_index].SsidLength);
+ memcpy(ssid[ssid_index].Ssid, pos, sec_len);
/* DBG_871X("%s COMBO_SCAN with specific ssid:%s, %d\n", __func__ */
/* , ssid[ssid_index].Ssid, ssid[ssid_index].SsidLength); */
ssid_index++;
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index f4fe73ce5710..907a4d0784ac 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -72,6 +72,8 @@ module_param(debug, int, 0600);
*/
#define MAX_MRU 1500
#define MAX_MTU 1500
+/* SOF, ADDR, CTRL, LEN1, LEN2, ..., FCS, EOF */
+#define PROT_OVERHEAD 7
#define GSM_NET_TX_TIMEOUT (HZ*10)
/**
@@ -823,7 +825,7 @@ static int gsm_dlci_data_output(struct gsm_mux *gsm, struct gsm_dlci *dlci)
break;
case 2: /* Unstructed with modem bits.
Always one byte as we never send inline break data */
- *dp++ = gsm_encode_modem(dlci);
+ *dp++ = (gsm_encode_modem(dlci) << 1) | EA;
break;
}
WARN_ON(kfifo_out_locked(dlci->fifo, dp , len, &dlci->lock) != len);
@@ -1300,11 +1302,12 @@ static void gsm_control_response(struct gsm_mux *gsm, unsigned int command,
static void gsm_control_transmit(struct gsm_mux *gsm, struct gsm_control *ctrl)
{
- struct gsm_msg *msg = gsm_data_alloc(gsm, 0, ctrl->len + 1, gsm->ftype);
+ struct gsm_msg *msg = gsm_data_alloc(gsm, 0, ctrl->len + 2, gsm->ftype);
if (msg == NULL)
return;
- msg->data[0] = (ctrl->cmd << 1) | 2 | EA; /* command */
- memcpy(msg->data + 1, ctrl->data, ctrl->len);
+ msg->data[0] = (ctrl->cmd << 1) | CR | EA; /* command */
+ msg->data[1] = (ctrl->len << 1) | EA;
+ memcpy(msg->data + 2, ctrl->data, ctrl->len);
gsm_data_queue(gsm->dlci[0], msg);
}
@@ -1327,7 +1330,6 @@ static void gsm_control_retransmit(struct timer_list *t)
spin_lock_irqsave(&gsm->control_lock, flags);
ctrl = gsm->pending_cmd;
if (ctrl) {
- gsm->cretries--;
if (gsm->cretries == 0) {
gsm->pending_cmd = NULL;
ctrl->error = -ETIMEDOUT;
@@ -1336,6 +1338,7 @@ static void gsm_control_retransmit(struct timer_list *t)
wake_up(&gsm->event);
return;
}
+ gsm->cretries--;
gsm_control_transmit(gsm, ctrl);
mod_timer(&gsm->t2_timer, jiffies + gsm->t2 * HZ / 100);
}
@@ -1376,7 +1379,7 @@ static struct gsm_control *gsm_control_send(struct gsm_mux *gsm,
/* If DLCI0 is in ADM mode skip retries, it won't respond */
if (gsm->dlci[0]->mode == DLCI_MODE_ADM)
- gsm->cretries = 1;
+ gsm->cretries = 0;
else
gsm->cretries = gsm->n2;
@@ -1810,7 +1813,6 @@ static void gsm_queue(struct gsm_mux *gsm)
gsm_response(gsm, address, UA);
gsm_dlci_close(dlci);
break;
- case UA:
case UA|PF:
if (cr == 0 || dlci == NULL)
break;
@@ -1961,7 +1963,8 @@ static void gsm1_receive(struct gsm_mux *gsm, unsigned char c)
}
/* Any partial frame was a runt so go back to start */
if (gsm->state != GSM_START) {
- gsm->malformed++;
+ if (gsm->state != GSM_SEARCH)
+ gsm->malformed++;
gsm->state = GSM_START;
}
/* A SOF in GSM_START means we are still reading idling or
@@ -2098,6 +2101,7 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm)
gsm_dlci_release(gsm->dlci[i]);
mutex_unlock(&gsm->mutex);
/* Now wipe the queues */
+ tty_ldisc_flush(gsm->tty);
list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list)
kfree(txq);
INIT_LIST_HEAD(&gsm->tx_list);
@@ -2208,7 +2212,7 @@ static struct gsm_mux *gsm_alloc_mux(void)
kfree(gsm);
return NULL;
}
- gsm->txframe = kmalloc(2 * MAX_MRU + 2, GFP_KERNEL);
+ gsm->txframe = kmalloc(2 * (MAX_MTU + PROT_OVERHEAD - 1), GFP_KERNEL);
if (gsm->txframe == NULL) {
kfree(gsm->buf);
kfree(gsm);
@@ -2255,6 +2259,7 @@ static void gsm_copy_config_values(struct gsm_mux *gsm,
static int gsm_config(struct gsm_mux *gsm, struct gsm_config *c)
{
+ int ret = 0;
int need_close = 0;
int need_restart = 0;
@@ -2264,7 +2269,7 @@ static int gsm_config(struct gsm_mux *gsm, struct gsm_config *c)
/* Check the MRU/MTU range looks sane */
if (c->mru > MAX_MRU || c->mtu > MAX_MTU || c->mru < 8 || c->mtu < 8)
return -EINVAL;
- if (c->n2 < 3)
+ if (c->n2 > 255)
return -EINVAL;
if (c->encapsulation > 1) /* Basic, advanced, no I */
return -EINVAL;
@@ -2330,10 +2335,13 @@ static int gsm_config(struct gsm_mux *gsm, struct gsm_config *c)
* FIXME: We need to separate activation/deactivation from adding
* and removing from the mux array
*/
- if (need_restart)
- gsm_activate_mux(gsm);
- if (gsm->initiator && need_close)
- gsm_dlci_begin_open(gsm->dlci[0]);
+ if (gsm->dead) {
+ ret = gsm_activate_mux(gsm);
+ if (ret)
+ return ret;
+ if (gsm->initiator)
+ gsm_dlci_begin_open(gsm->dlci[0]);
+ }
return 0;
}
@@ -2879,19 +2887,17 @@ static struct tty_ldisc_ops tty_ldisc_packet = {
static int gsmtty_modem_update(struct gsm_dlci *dlci, u8 brk)
{
- u8 modembits[5];
+ u8 modembits[3];
struct gsm_control *ctrl;
int len = 2;
- if (brk)
+ modembits[0] = (dlci->addr << 2) | 2 | EA; /* DLCI, Valid, EA */
+ modembits[1] = (gsm_encode_modem(dlci) << 1) | EA;
+ if (brk) {
+ modembits[2] = (brk << 4) | 2 | EA; /* Length, Break, EA */
len++;
-
- modembits[0] = len << 1 | EA; /* Data bytes */
- modembits[1] = dlci->addr << 2 | 3; /* DLCI, EA, 1 */
- modembits[2] = gsm_encode_modem(dlci) << 1 | EA;
- if (brk)
- modembits[3] = brk << 4 | 2 | EA; /* Valid, EA */
- ctrl = gsm_control_send(dlci->gsm, CMD_MSC, modembits, len + 1);
+ }
+ ctrl = gsm_control_send(dlci->gsm, CMD_MSC, modembits, len);
if (ctrl == NULL)
return -ENOMEM;
return gsm_control_wait(dlci->gsm, ctrl);
diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index 98e68f25a5f3..a79ab53f8e87 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c
@@ -36,6 +36,7 @@
#define MTK_UART_IER_RTSI 0x40 /* Enable RTS Modem status interrupt */
#define MTK_UART_IER_CTSI 0x80 /* Enable CTS Modem status interrupt */
+#define MTK_UART_EFR 38 /* I/O: Extended Features Register */
#define MTK_UART_EFR_EN 0x10 /* Enable enhancement feature */
#define MTK_UART_EFR_RTS 0x40 /* Enable hardware rx flow control */
#define MTK_UART_EFR_CTS 0x80 /* Enable hardware tx flow control */
@@ -52,6 +53,9 @@
#define MTK_UART_TX_TRIGGER 1
#define MTK_UART_RX_TRIGGER MTK_UART_RX_SIZE
+#define MTK_UART_XON1 40 /* I/O: Xon character 1 */
+#define MTK_UART_XOFF1 42 /* I/O: Xoff character 1 */
+
#ifdef CONFIG_SERIAL_8250_DMA
enum dma_rx_status {
DMA_RX_START = 0,
@@ -168,7 +172,7 @@ static void mtk8250_dma_enable(struct uart_8250_port *up)
MTK_UART_DMA_EN_RX | MTK_UART_DMA_EN_TX);
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
- serial_out(up, UART_EFR, UART_EFR_ECB);
+ serial_out(up, MTK_UART_EFR, UART_EFR_ECB);
serial_out(up, UART_LCR, lcr);
if (dmaengine_slave_config(dma->rxchan, &dma->rxconf) != 0)
@@ -231,7 +235,7 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
int lcr = serial_in(up, UART_LCR);
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
- serial_out(up, UART_EFR, UART_EFR_ECB);
+ serial_out(up, MTK_UART_EFR, UART_EFR_ECB);
serial_out(up, UART_LCR, lcr);
lcr = serial_in(up, UART_LCR);
@@ -240,7 +244,7 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
serial_out(up, MTK_UART_ESCAPE_DAT, MTK_UART_ESCAPE_CHAR);
serial_out(up, MTK_UART_ESCAPE_EN, 0x00);
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
- serial_out(up, UART_EFR, serial_in(up, UART_EFR) &
+ serial_out(up, MTK_UART_EFR, serial_in(up, MTK_UART_EFR) &
(~(MTK_UART_EFR_HW_FC | MTK_UART_EFR_SW_FC_MASK)));
serial_out(up, UART_LCR, lcr);
mtk8250_disable_intrs(up, MTK_UART_IER_XOFFI |
@@ -254,8 +258,8 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
/*enable hw flow control*/
- serial_out(up, UART_EFR, MTK_UART_EFR_HW_FC |
- (serial_in(up, UART_EFR) &
+ serial_out(up, MTK_UART_EFR, MTK_UART_EFR_HW_FC |
+ (serial_in(up, MTK_UART_EFR) &
(~(MTK_UART_EFR_HW_FC | MTK_UART_EFR_SW_FC_MASK))));
serial_out(up, UART_LCR, lcr);
@@ -269,12 +273,12 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
/*enable sw flow control */
- serial_out(up, UART_EFR, MTK_UART_EFR_XON1_XOFF1 |
- (serial_in(up, UART_EFR) &
+ serial_out(up, MTK_UART_EFR, MTK_UART_EFR_XON1_XOFF1 |
+ (serial_in(up, MTK_UART_EFR) &
(~(MTK_UART_EFR_HW_FC | MTK_UART_EFR_SW_FC_MASK))));
- serial_out(up, UART_XON1, START_CHAR(port->state->port.tty));
- serial_out(up, UART_XOFF1, STOP_CHAR(port->state->port.tty));
+ serial_out(up, MTK_UART_XON1, START_CHAR(port->state->port.tty));
+ serial_out(up, MTK_UART_XOFF1, STOP_CHAR(port->state->port.tty));
serial_out(up, UART_LCR, lcr);
mtk8250_disable_intrs(up, MTK_UART_IER_CTSI|MTK_UART_IER_RTSI);
mtk8250_enable_intrs(up, MTK_UART_IER_XOFFI);
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index fd443bc4c298..92e2ee278523 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -2907,7 +2907,7 @@ enum pci_board_num_t {
pbn_panacom2,
pbn_panacom4,
pbn_plx_romulus,
- pbn_endrun_2_4000000,
+ pbn_endrun_2_3906250,
pbn_oxsemi,
pbn_oxsemi_1_4000000,
pbn_oxsemi_2_4000000,
@@ -3434,10 +3434,10 @@ static struct pciserial_board pci_boards[] = {
* signal now many ports are available
* 2 port 952 Uart support
*/
- [pbn_endrun_2_4000000] = {
+ [pbn_endrun_2_3906250] = {
.flags = FL_BASE0,
.num_ports = 2,
- .base_baud = 4000000,
+ .base_baud = 3906250,
.uart_offset = 0x200,
.first_offset = 0x1000,
},
@@ -4345,7 +4345,7 @@ static const struct pci_device_id serial_pci_tbl[] = {
*/
{ PCI_VENDOR_ID_ENDRUN, PCI_DEVICE_ID_ENDRUN_1588,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_endrun_2_4000000 },
+ pbn_endrun_2_3906250 },
/*
* Quatech cards. These actually have configurable clocks but for
* now we just use the default.
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 87567515591e..c1891c55897a 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -3184,7 +3184,7 @@ static void serial8250_console_restore(struct uart_8250_port *up)
serial8250_set_divisor(port, baud, quot, frac);
serial_port_out(port, UART_LCR, up->lcr);
- serial8250_out_MCR(up, UART_MCR_DTR | UART_MCR_RTS);
+ serial8250_out_MCR(up, up->mcr | UART_MCR_DTR | UART_MCR_RTS);
}
/*
diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c
index 13ac36e2da4f..4446c13629b1 100644
--- a/drivers/tty/serial/digicolor-usart.c
+++ b/drivers/tty/serial/digicolor-usart.c
@@ -472,10 +472,10 @@ static int digicolor_uart_probe(struct platform_device *pdev)
return PTR_ERR(uart_clk);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- dp->port.mapbase = res->start;
dp->port.membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(dp->port.membase))
return PTR_ERR(dp->port.membase);
+ dp->port.mapbase = res->start;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index e5ed4ab2b08d..8b41a783b37e 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1401,7 +1401,7 @@ static int imx_uart_startup(struct uart_port *port)
imx_uart_writel(sport, ucr1, UCR1);
ucr4 = imx_uart_readl(sport, UCR4) & ~UCR4_OREN;
- if (!sport->dma_is_enabled)
+ if (!dma_is_inited)
ucr4 |= UCR4_OREN;
imx_uart_writel(sport, ucr4, UCR4);
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index de7bb8e6a1ef..98022584f709 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -755,6 +755,7 @@ static int wdm_release(struct inode *inode, struct file *file)
poison_urbs(desc);
spin_lock_irq(&desc->iuspin);
desc->resp_count = 0;
+ clear_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
desc->manage_power(desc->intf, 0);
unpoison_urbs(desc);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 1c42aa78f17c..177adc4f2431 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -407,6 +407,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+ /* Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)*/
+ { USB_DEVICE(0x0bda, 0x0151), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* Realtek hub in Dell WD19 (Type-C) */
{ USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
{ USB_DEVICE(0x0bda, 0x5487), .driver_info = USB_QUIRK_RESET_RESUME },
@@ -511,6 +514,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* DJI CineSSD */
{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
+ /* VCOM device */
+ { USB_DEVICE(0x4296, 0x7570), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* INTEL VALUE SSD */
{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 1d063c35b5fe..ef677b07b4f1 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1410,10 +1410,10 @@ static void dwc3_get_properties(struct dwc3 *dwc)
u8 lpm_nyet_threshold;
u8 tx_de_emphasis;
u8 hird_threshold;
- u8 rx_thr_num_pkt_prd;
- u8 rx_max_burst_prd;
- u8 tx_thr_num_pkt_prd;
- u8 tx_max_burst_prd;
+ u8 rx_thr_num_pkt_prd = 0;
+ u8 rx_max_burst_prd = 0;
+ u8 tx_thr_num_pkt_prd = 0;
+ u8 tx_max_burst_prd = 0;
/* default to highest possible threshold */
lpm_nyet_threshold = 0xf;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c0c3e8888865..0e53ac8719b7 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -3265,6 +3265,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
struct dwc3_request *req, int status)
{
struct dwc3 *dwc = dep->dwc;
+ int request_status;
int ret;
/*
@@ -3304,7 +3305,35 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
req->needs_extra_trb = false;
}
- dwc3_gadget_giveback(dep, req, status);
+ /*
+ * The event status only reflects the status of the TRB with IOC set.
+ * For the requests that don't set interrupt on completion, the driver
+ * needs to check and return the status of the completed TRBs associated
+ * with the request. Use the status of the last TRB of the request.
+ */
+ if (req->request.no_interrupt) {
+ struct dwc3_trb *trb;
+
+ trb = dwc3_ep_prev_trb(dep, dep->trb_dequeue);
+ switch (DWC3_TRB_SIZE_TRBSTS(trb->size)) {
+ case DWC3_TRBSTS_MISSED_ISOC:
+ /* Isoc endpoint only */
+ request_status = -EXDEV;
+ break;
+ case DWC3_TRB_STS_XFER_IN_PROG:
+ /* Applicable when End Transfer with ForceRM=0 */
+ case DWC3_TRBSTS_SETUP_PENDING:
+ /* Control endpoint only */
+ case DWC3_TRBSTS_OK:
+ default:
+ request_status = 0;
+ break;
+ }
+ } else {
+ request_status = status;
+ }
+
+ dwc3_gadget_giveback(dep, req, request_status);
out:
return ret;
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 6f152082c9d5..1abf54e00528 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1577,6 +1577,8 @@ static void configfs_composite_unbind(struct usb_gadget *gadget)
usb_ep_autoconfig_reset(cdev->gadget);
spin_lock_irqsave(&gi->spinlock, flags);
cdev->gadget = NULL;
+ cdev->deactivations = 0;
+ gadget->deactivated = false;
set_gadget_data(gadget, NULL);
spin_unlock_irqrestore(&gi->spinlock, flags);
}
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 61e2c94cc0b0..cab1e30462c2 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -242,6 +242,8 @@ void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect)
buf->state = UVC_BUF_STATE_ERROR;
vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_ERROR);
}
+ queue->buf_used = 0;
+
/* This must be protected by the irqlock spinlock to avoid race
* conditions between uvc_queue_buffer and the disconnection event that
* could result in an interruptible wait in uvc_dequeue_buffer. Do not
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index f787d0c51ec0..691368bf55d0 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1488,7 +1488,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
}
spin_unlock_irqrestore(&xhci->lock, flags);
if (!wait_for_completion_timeout(&bus_state->u3exit_done[wIndex],
- msecs_to_jiffies(100)))
+ msecs_to_jiffies(500)))
xhci_dbg(xhci, "missing U0 port change event for port %d\n",
wIndex);
spin_lock_irqsave(&xhci->lock, flags);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 7b991cf898e8..04bff73221b2 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2938,6 +2938,8 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
if (event_loop++ < TRBS_PER_SEGMENT / 2)
continue;
xhci_update_erst_dequeue(xhci, event_ring_deq);
+ event_ring_deq = xhci->event_ring->dequeue;
+
event_loop = 0;
}
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 47ee7cbb9a53..e001ff33f6fc 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -809,6 +809,17 @@ void xhci_shutdown(struct usb_hcd *hcd)
if (xhci->quirks & XHCI_SPURIOUS_REBOOT)
usb_disable_xhci_ports(to_pci_dev(hcd->self.sysdev));
+ /* Don't poll the roothubs after shutdown. */
+ xhci_dbg(xhci, "%s: stopping usb%d port polling.\n",
+ __func__, hcd->self.busnum);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ del_timer_sync(&hcd->rh_timer);
+
+ if (xhci->shared_hcd) {
+ clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
+ del_timer_sync(&xhci->shared_hcd->rh_timer);
+ }
+
spin_lock_irq(&xhci->lock);
xhci_halt(xhci);
/* Workaround for spurious wakeups at shutdown with HSW */
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 748139d26263..0be8efcda15d 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -71,6 +71,7 @@ static void destroy_priv(struct kref *kref)
dev_dbg(&priv->usbdev->dev, "destroying priv datastructure\n");
usb_put_dev(priv->usbdev);
+ priv->usbdev = NULL;
kfree(priv);
}
@@ -736,7 +737,6 @@ static int uss720_probe(struct usb_interface *intf,
parport_announce_port(pp);
usb_set_intfdata(intf, pp);
- usb_put_dev(usbdev);
return 0;
probe_abort:
@@ -754,7 +754,6 @@ static void uss720_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
if (pp) {
priv = pp->private_data;
- priv->usbdev = NULL;
priv->pp = NULL;
dev_dbg(&intf->dev, "parport_remove_port\n");
parport_remove_port(pp);
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c
index 08e18448e8b8..db30365345e0 100644
--- a/drivers/usb/mtu3/mtu3_dr.c
+++ b/drivers/usb/mtu3/mtu3_dr.c
@@ -41,10 +41,8 @@ static char *mailbox_state_string(enum mtu3_vbus_id_state state)
static void toggle_opstate(struct ssusb_mtk *ssusb)
{
- if (!ssusb->otg_switch.is_u3_drd) {
- mtu3_setbits(ssusb->mac_base, U3D_DEVICE_CONTROL, DC_SESSION);
- mtu3_setbits(ssusb->mac_base, U3D_POWER_MANAGEMENT, SOFT_CONN);
- }
+ mtu3_setbits(ssusb->mac_base, U3D_DEVICE_CONTROL, DC_SESSION);
+ mtu3_setbits(ssusb->mac_base, U3D_POWER_MANAGEMENT, SOFT_CONN);
}
/* only port0 supports dual-role mode */
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index dfa7c504befe..d5a1832aa48e 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -195,6 +195,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */
{ USB_DEVICE(0x17A8, 0x0001) }, /* Kamstrup Optical Eye/3-wire */
{ USB_DEVICE(0x17A8, 0x0005) }, /* Kamstrup M-Bus Master MultiPort 250D */
+ { USB_DEVICE(0x17A8, 0x0101) }, /* Kamstrup 868 MHz wM-Bus C-Mode Meter Reader (Int Ant) */
+ { USB_DEVICE(0x17A8, 0x0102) }, /* Kamstrup 868 MHz wM-Bus C-Mode Meter Reader (Ext Ant) */
{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 839eac04b5e3..1ba4a72047dc 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -432,6 +432,8 @@ static void option_instat_callback(struct urb *urb);
#define CINTERION_PRODUCT_CLS8 0x00b0
#define CINTERION_PRODUCT_MV31_MBIM 0x00b3
#define CINTERION_PRODUCT_MV31_RMNET 0x00b7
+#define CINTERION_PRODUCT_MV32_WA 0x00f1
+#define CINTERION_PRODUCT_MV32_WB 0x00f2
/* Olivetti products */
#define OLIVETTI_VENDOR_ID 0x0b3c
@@ -1217,6 +1219,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff), /* Telit FD980 */
.driver_info = NCTRL(2) | RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1057, 0xff), /* Telit FN980 */
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1058, 0xff), /* Telit FN980 (PCIe) */
+ .driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff), /* Telit LN920 (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff), /* Telit LN920 (MBIM) */
@@ -1233,6 +1239,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff), /* Telit FN990 (PCIe) */
+ .driver_info = RSVD(0) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -1969,6 +1977,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3)},
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_RMNET, 0xff),
.driver_info = RSVD(0)},
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV32_WA, 0xff),
+ .driver_info = RSVD(3)},
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV32_WB, 0xff),
+ .driver_info = RSVD(3)},
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
.driver_info = RSVD(4) },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
@@ -2111,10 +2123,14 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
+ { USB_DEVICE(0x1782, 0x4d10) }, /* Fibocom L610 (AT mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x1782, 0x4d11, 0xff) }, /* Fibocom L610 (ECM/RNDIS mode) */
{ USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */
.driver_info = RSVD(4) | RSVD(5) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */
.driver_info = RSVD(6) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0106, 0xff) }, /* Fibocom MA510 (ECM mode w/ diag intf.) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x010a, 0xff) }, /* Fibocom MA510 (ECM mode) */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 2a91219dee7e..386894fe59ee 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -100,6 +100,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LCM960_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LM920_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LM930_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LM940_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_TD620_PRODUCT_ID) },
{ USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 15f746e977a7..873e50088a36 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -129,6 +129,7 @@
#define HP_TD620_PRODUCT_ID 0x0956
#define HP_LD960_PRODUCT_ID 0x0b39
#define HP_LD381_PRODUCT_ID 0x0f7f
+#define HP_LM930_PRODUCT_ID 0x0f9b
#define HP_LCM220_PRODUCT_ID 0x3139
#define HP_LCM960_PRODUCT_ID 0x3239
#define HP_LD220_PRODUCT_ID 0x3524
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index b1b9923162a0..3f437f07356b 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -166,6 +166,8 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x1199, 0x9090)}, /* Sierra Wireless EM7565 QDL */
{DEVICE_SWI(0x1199, 0x9091)}, /* Sierra Wireless EM7565 */
{DEVICE_SWI(0x1199, 0x90d2)}, /* Sierra Wireless EM9191 QDL */
+ {DEVICE_SWI(0x1199, 0xc080)}, /* Sierra Wireless EM7590 QDL */
+ {DEVICE_SWI(0x1199, 0xc081)}, /* Sierra Wireless EM7590 */
{DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index ca3bd58f2025..5576cfa50bc8 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -599,9 +599,8 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command,
switch (command) {
case WHITEHEAT_GET_DTR_RTS:
info = usb_get_serial_port_data(port);
- memcpy(&info->mcr, command_info->result_buffer,
- sizeof(struct whiteheat_dr_info));
- break;
+ info->mcr = command_info->result_buffer[0];
+ break;
}
}
exit:
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 59e304a341f8..6caed68ce1be 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -611,7 +611,7 @@ static int tcpci_remove(struct i2c_client *client)
/* Disable chip interrupts before unregistering port */
err = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, 0);
if (err < 0)
- return err;
+ dev_warn(&client->dev, "Failed to disable irqs (%pe)\n", ERR_PTR(err));
tcpci_unregister_port(chip->tcpci);
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 9cca792a19b8..ca348d4d172c 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -738,14 +738,18 @@ static int ucsi_dr_swap(struct typec_port *port, enum typec_data_role role)
if (ret < 0)
goto out_unlock;
+ mutex_unlock(&con->lock);
+
if (!wait_for_completion_timeout(&con->complete,
- msecs_to_jiffies(UCSI_SWAP_TIMEOUT_MS)))
- ret = -ETIMEDOUT;
+ msecs_to_jiffies(UCSI_SWAP_TIMEOUT_MS)))
+ return -ETIMEDOUT;
+
+ return 0;
out_unlock:
mutex_unlock(&con->lock);
- return ret < 0 ? ret : 0;
+ return ret;
}
static int ucsi_pr_swap(struct typec_port *port, enum typec_role role)
@@ -774,11 +778,13 @@ static int ucsi_pr_swap(struct typec_port *port, enum typec_role role)
if (ret < 0)
goto out_unlock;
+ mutex_unlock(&con->lock);
+
if (!wait_for_completion_timeout(&con->complete,
- msecs_to_jiffies(UCSI_SWAP_TIMEOUT_MS))) {
- ret = -ETIMEDOUT;
- goto out_unlock;
- }
+ msecs_to_jiffies(UCSI_SWAP_TIMEOUT_MS)))
+ return -ETIMEDOUT;
+
+ mutex_lock(&con->lock);
/* Something has gone wrong while swapping the role */
if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) !=
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 1058aba8d573..3e0267ead718 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1446,13 +1446,9 @@ static struct socket *get_raw_socket(int fd)
return ERR_PTR(r);
}
-static struct ptr_ring *get_tap_ptr_ring(int fd)
+static struct ptr_ring *get_tap_ptr_ring(struct file *file)
{
struct ptr_ring *ring;
- struct file *file = fget(fd);
-
- if (!file)
- return NULL;
ring = tun_get_tx_ring(file);
if (!IS_ERR(ring))
goto out;
@@ -1461,7 +1457,6 @@ static struct ptr_ring *get_tap_ptr_ring(int fd)
goto out;
ring = NULL;
out:
- fput(file);
return ring;
}
@@ -1548,8 +1543,12 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
r = vhost_net_enable_vq(n, vq);
if (r)
goto err_used;
- if (index == VHOST_NET_VQ_RX)
- nvq->rx_ring = get_tap_ptr_ring(fd);
+ if (index == VHOST_NET_VQ_RX) {
+ if (sock)
+ nvq->rx_ring = get_tap_ptr_ring(sock->file);
+ else
+ nvq->rx_ring = NULL;
+ }
oldubufs = nvq->ubufs;
nvq->ubufs = ubufs;
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index e269b1391e14..8e8af408998e 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1650,8 +1650,9 @@ static int dlfb_usb_probe(struct usb_interface *intf,
const struct device_attribute *attr;
struct dlfb_data *dlfb;
struct fb_info *info;
- int retval = -ENOMEM;
+ int retval;
struct usb_device *usbdev = interface_to_usbdev(intf);
+ struct usb_endpoint_descriptor *out;
/* usb initialization */
dlfb = kzalloc(sizeof(*dlfb), GFP_KERNEL);
@@ -1665,6 +1666,12 @@ static int dlfb_usb_probe(struct usb_interface *intf,
dlfb->udev = usb_get_dev(usbdev);
usb_set_intfdata(intf, dlfb);
+ retval = usb_find_common_endpoints(intf->cur_altsetting, NULL, &out, NULL, NULL);
+ if (retval) {
+ dev_err(&intf->dev, "Device should have at lease 1 bulk endpoint!\n");
+ goto error;
+ }
+
dev_dbg(&intf->dev, "console enable=%d\n", console);
dev_dbg(&intf->dev, "fb_defio enable=%d\n", fb_defio);
dev_dbg(&intf->dev, "shadow enable=%d\n", shadow);
@@ -1674,6 +1681,7 @@ static int dlfb_usb_probe(struct usb_interface *intf,
if (!dlfb_parse_vendor_descriptor(dlfb, intf)) {
dev_err(&intf->dev,
"firmware not recognized, incompatible device?\n");
+ retval = -ENODEV;
goto error;
}
@@ -1687,8 +1695,10 @@ static int dlfb_usb_probe(struct usb_interface *intf,
/* allocates framebuffer driver structure, not framebuffer memory */
info = framebuffer_alloc(0, &dlfb->udev->dev);
- if (!info)
+ if (!info) {
+ retval = -ENOMEM;
goto error;
+ }
dlfb->info = info;
info->par = dlfb;
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 4f58b28a1edd..90eac3ec01cb 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -734,10 +734,22 @@ int afs_getattr(const struct path *path, struct kstat *stat,
{
struct inode *inode = d_inode(path->dentry);
struct afs_vnode *vnode = AFS_FS_I(inode);
- int seq = 0;
+ struct key *key;
+ int ret, seq = 0;
_enter("{ ino=%lu v=%u }", inode->i_ino, inode->i_generation);
+ if (!(query_flags & AT_STATX_DONT_SYNC) &&
+ !test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) {
+ key = afs_request_key(vnode->volume->cell);
+ if (IS_ERR(key))
+ return PTR_ERR(key);
+ ret = afs_validate(vnode, key);
+ key_put(key);
+ if (ret < 0)
+ return ret;
+ }
+
do {
read_seqbegin_or_lock(&vnode->cb_lock, &seq);
generic_fillattr(inode, stat);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 9b703c0db979..b7bfecfc2ea3 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -5294,6 +5294,18 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
mutex_lock(&inode->log_mutex);
}
+ /*
+ * For symlinks, we must always log their content, which is stored in an
+ * inline extent, otherwise we could end up with an empty symlink after
+ * log replay, which is invalid on linux (symlink(2) returns -ENOENT if
+ * one attempts to create an empty symlink).
+ * We don't need to worry about flushing delalloc, because when we create
+ * the inline extent when the symlink is created (we never have delalloc
+ * for symlinks).
+ */
+ if (S_ISLNK(inode->vfs_inode.i_mode))
+ inode_only = LOG_INODE_ALL;
+
/*
* a brute force approach to making sure we get the most uptodate
* copies of everything.
@@ -5707,7 +5719,7 @@ static int log_new_dir_dentries(struct btrfs_trans_handle *trans,
}
ctx->log_new_dentries = false;
- if (type == BTRFS_FT_DIR || type == BTRFS_FT_SYMLINK)
+ if (type == BTRFS_FT_DIR)
log_mode = LOG_INODE_ALL;
ret = btrfs_log_inode(trans, root, BTRFS_I(di_inode),
log_mode, 0, LLONG_MAX, ctx);
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index defee1d208d2..7985fe25850b 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1643,9 +1643,17 @@ smb2_copychunk_range(const unsigned int xid,
int chunks_copied = 0;
bool chunk_sizes_updated = false;
ssize_t bytes_written, total_bytes_written = 0;
+ struct inode *inode;
pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL);
+ /*
+ * We need to flush all unwritten data before we can send the
+ * copychunk ioctl to the server.
+ */
+ inode = d_inode(trgtfile->dentry);
+ filemap_write_and_wait(inode->i_mapping);
+
if (pcchunk == NULL)
return -ENOMEM;
diff --git a/fs/exec.c b/fs/exec.c
index 7d775d7f5992..6860cd572e17 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -454,6 +454,9 @@ static int prepare_arg_pages(struct linux_binprm *bprm,
unsigned long limit, ptr_size;
bprm->argc = count(argv, MAX_ARG_STRINGS);
+ if (bprm->argc == 0)
+ pr_warn_once("process '%s' launched '%s' with NULL argv: empty string added\n",
+ current->comm, bprm->filename);
if (bprm->argc < 0)
return bprm->argc;
@@ -482,8 +485,14 @@ static int prepare_arg_pages(struct linux_binprm *bprm,
* the stack. They aren't stored until much later when we can't
* signal to the parent that the child has run out of stack space.
* Instead, calculate it here so it's possible to fail gracefully.
+ *
+ * In the case of argc = 0, make sure there is space for adding a
+ * empty string (which will bump argc to 1), to ensure confused
+ * userspace programs don't start processing from argv[1], thinking
+ * argc can never be 0, to keep them from walking envp by accident.
+ * See do_execveat_common().
*/
- ptr_size = (bprm->argc + bprm->envc) * sizeof(void *);
+ ptr_size = (max(bprm->argc, 1) + bprm->envc) * sizeof(void *);
if (limit <= ptr_size)
return -E2BIG;
limit -= ptr_size;
@@ -1832,6 +1841,20 @@ static int __do_execve_file(int fd, struct filename *filename,
if (retval < 0)
goto out;
+ /*
+ * When argv is empty, add an empty string ("") as argv[0] to
+ * ensure confused userspace programs that start processing
+ * from argv[1] won't end up walking envp. See also
+ * bprm_stack_limits().
+ */
+ if (bprm->argc == 0) {
+ const char *argv[] = { "", NULL };
+ retval = copy_strings_kernel(1, argv, bprm);
+ if (retval < 0)
+ goto out;
+ bprm->argc = 1;
+ }
+
retval = exec_binprm(bprm);
if (retval < 0)
goto out;
diff --git a/fs/file_table.c b/fs/file_table.c
index 30d55c9a1744..70e8fb68a171 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -375,6 +375,7 @@ void __fput_sync(struct file *file)
}
EXPORT_SYMBOL(fput);
+EXPORT_SYMBOL(__fput_sync);
void __init files_init(void)
{
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index dec5285a02e9..77a497a4b236 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1233,13 +1233,12 @@ static int gfs2_iomap_end(struct inode *inode, loff_t pos, loff_t length,
if (length != written && (iomap->flags & IOMAP_F_NEW)) {
/* Deallocate blocks that were just allocated. */
- loff_t blockmask = i_blocksize(inode) - 1;
- loff_t end = (pos + length) & ~blockmask;
+ loff_t hstart = round_up(pos + written, i_blocksize(inode));
+ loff_t hend = iomap->offset + iomap->length;
- pos = (pos + written + blockmask) & ~blockmask;
- if (pos < end) {
- truncate_pagecache_range(inode, pos, end - 1);
- punch_hole(ip, pos, end - pos);
+ if (hstart < hend) {
+ truncate_pagecache_range(inode, hstart, hend - 1);
+ punch_hole(ip, hstart, hend - hstart);
}
}
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 358398b1fe0c..7d039ba5ae28 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -38,6 +38,7 @@
#include
#include
+#include
static const struct super_operations hugetlbfs_ops;
static const struct address_space_operations hugetlbfs_aops;
@@ -200,6 +201,54 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
*/
#ifndef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+static unsigned long
+hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+ struct hstate *h = hstate_file(file);
+ struct vm_unmapped_area_info info;
+
+ info.flags = 0;
+ info.length = len;
+ info.low_limit = current->mm->mmap_base;
+ info.high_limit = arch_get_mmap_end(addr);
+ info.align_mask = PAGE_MASK & ~huge_page_mask(h);
+ info.align_offset = 0;
+ return vm_unmapped_area(&info);
+}
+
+static unsigned long
+hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+ struct hstate *h = hstate_file(file);
+ struct vm_unmapped_area_info info;
+
+ info.flags = VM_UNMAPPED_AREA_TOPDOWN;
+ info.length = len;
+ info.low_limit = max(PAGE_SIZE, mmap_min_addr);
+ info.high_limit = arch_get_mmap_base(addr, current->mm->mmap_base);
+ info.align_mask = PAGE_MASK & ~huge_page_mask(h);
+ info.align_offset = 0;
+ addr = vm_unmapped_area(&info);
+
+ /*
+ * A failed mmap() very likely causes application failure,
+ * so fall back to the bottom-up function here. This scenario
+ * can happen with large stack limits and large mmap()
+ * allocations.
+ */
+ if (unlikely(offset_in_page(addr))) {
+ VM_BUG_ON(addr != -ENOMEM);
+ info.flags = 0;
+ info.low_limit = current->mm->mmap_base;
+ info.high_limit = arch_get_mmap_end(addr);
+ addr = vm_unmapped_area(&info);
+ }
+
+ return addr;
+}
+
static unsigned long
hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
@@ -207,7 +256,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
struct hstate *h = hstate_file(file);
- struct vm_unmapped_area_info info;
+ const unsigned long mmap_end = arch_get_mmap_end(addr);
if (len & ~huge_page_mask(h))
return -EINVAL;
@@ -223,18 +272,21 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
if (addr) {
addr = ALIGN(addr, huge_page_size(h));
vma = find_vma(mm, addr);
- if (TASK_SIZE - len >= addr &&
+ if (mmap_end - len >= addr &&
(!vma || addr + len <= vm_start_gap(vma)))
return addr;
}
- info.flags = 0;
- info.length = len;
- info.low_limit = TASK_UNMAPPED_BASE;
- info.high_limit = TASK_SIZE;
- info.align_mask = PAGE_MASK & ~huge_page_mask(h);
- info.align_offset = 0;
- return vm_unmapped_area(&info);
+ /*
+ * Use mm->get_unmapped_area value as a hint to use topdown routine.
+ * If architectures have special needs, they should define their own
+ * version of hugetlb_get_unmapped_area.
+ */
+ if (mm->get_unmapped_area == arch_get_unmapped_area_topdown)
+ return hugetlb_get_unmapped_area_topdown(file, addr, len,
+ pgoff, flags);
+ return hugetlb_get_unmapped_area_bottomup(file, addr, len,
+ pgoff, flags);
}
#endif
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 9e717796e57b..a4dc182e8989 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -775,6 +775,7 @@ static inline bool nfs_error_is_fatal_on_server(int err)
case 0:
case -ERESTARTSYS:
case -EINTR:
+ case -ENOMEM:
return false;
}
return nfs_error_is_fatal(err);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 24f993592723..249f974b016a 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -359,6 +359,14 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
kunmap_atomic(start);
}
+static void nfs4_fattr_set_prechange(struct nfs_fattr *fattr, u64 version)
+{
+ if (!(fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) {
+ fattr->pre_change_attr = version;
+ fattr->valid |= NFS_ATTR_FATTR_PRECHANGE;
+ }
+}
+
static void nfs4_test_and_free_stateid(struct nfs_server *server,
nfs4_stateid *stateid,
const struct cred *cred)
@@ -6307,7 +6315,9 @@ static void nfs4_delegreturn_release(void *calldata)
pnfs_roc_release(&data->lr.arg, &data->lr.res,
data->res.lr_ret);
if (inode) {
- nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
+ nfs4_fattr_set_prechange(&data->fattr,
+ inode_peek_iversion_raw(inode));
+ nfs_refresh_inode(inode, &data->fattr);
nfs_iput_and_deactive(inode);
}
kfree(calldata);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 62eb78ac7437..228c2b0753dc 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -6894,16 +6894,12 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
if (sop->so_is_open_owner || !same_owner_str(sop, owner))
continue;
- /* see if there are still any locks associated with it */
- lo = lockowner(sop);
- list_for_each_entry(stp, &sop->so_stateids, st_perstateowner) {
- if (check_for_locks(stp->st_stid.sc_file, lo)) {
- status = nfserr_locks_held;
- spin_unlock(&clp->cl_lock);
- return status;
- }
+ if (atomic_read(&sop->so_count) != 1) {
+ spin_unlock(&clp->cl_lock);
+ return nfserr_locks_held;
}
+ lo = lockowner(sop);
nfs4_get_stateowner(sop);
break;
}
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 4391fd3abd8f..e00e184b1261 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -20,6 +20,23 @@
#include "page.h"
#include "btnode.h"
+
+/**
+ * nilfs_init_btnc_inode - initialize B-tree node cache inode
+ * @btnc_inode: inode to be initialized
+ *
+ * nilfs_init_btnc_inode() sets up an inode for B-tree node cache.
+ */
+void nilfs_init_btnc_inode(struct inode *btnc_inode)
+{
+ struct nilfs_inode_info *ii = NILFS_I(btnc_inode);
+
+ btnc_inode->i_mode = S_IFREG;
+ ii->i_flags = 0;
+ memset(&ii->i_bmap_data, 0, sizeof(struct nilfs_bmap));
+ mapping_set_gfp_mask(btnc_inode->i_mapping, GFP_NOFS);
+}
+
void nilfs_btnode_cache_clear(struct address_space *btnc)
{
invalidate_mapping_pages(btnc, 0, -1);
@@ -29,7 +46,7 @@ void nilfs_btnode_cache_clear(struct address_space *btnc)
struct buffer_head *
nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr)
{
- struct inode *inode = NILFS_BTNC_I(btnc);
+ struct inode *inode = btnc->host;
struct buffer_head *bh;
bh = nilfs_grab_buffer(inode, btnc, blocknr, BIT(BH_NILFS_Node));
@@ -57,7 +74,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
struct buffer_head **pbh, sector_t *submit_ptr)
{
struct buffer_head *bh;
- struct inode *inode = NILFS_BTNC_I(btnc);
+ struct inode *inode = btnc->host;
struct page *page;
int err;
@@ -157,7 +174,7 @@ int nilfs_btnode_prepare_change_key(struct address_space *btnc,
struct nilfs_btnode_chkey_ctxt *ctxt)
{
struct buffer_head *obh, *nbh;
- struct inode *inode = NILFS_BTNC_I(btnc);
+ struct inode *inode = btnc->host;
__u64 oldkey = ctxt->oldkey, newkey = ctxt->newkey;
int err;
diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h
index 0f88dbc9bcb3..05ab64d354dc 100644
--- a/fs/nilfs2/btnode.h
+++ b/fs/nilfs2/btnode.h
@@ -30,6 +30,7 @@ struct nilfs_btnode_chkey_ctxt {
struct buffer_head *newbh;
};
+void nilfs_init_btnc_inode(struct inode *btnc_inode);
void nilfs_btnode_cache_clear(struct address_space *);
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
__u64 blocknr);
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 23e043eca237..919d1238ce45 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -58,7 +58,8 @@ static void nilfs_btree_free_path(struct nilfs_btree_path *path)
static int nilfs_btree_get_new_block(const struct nilfs_bmap *btree,
__u64 ptr, struct buffer_head **bhp)
{
- struct address_space *btnc = &NILFS_BMAP_I(btree)->i_btnode_cache;
+ struct inode *btnc_inode = NILFS_BMAP_I(btree)->i_assoc_inode;
+ struct address_space *btnc = btnc_inode->i_mapping;
struct buffer_head *bh;
bh = nilfs_btnode_create_block(btnc, ptr);
@@ -470,7 +471,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
struct buffer_head **bhp,
const struct nilfs_btree_readahead_info *ra)
{
- struct address_space *btnc = &NILFS_BMAP_I(btree)->i_btnode_cache;
+ struct inode *btnc_inode = NILFS_BMAP_I(btree)->i_assoc_inode;
+ struct address_space *btnc = btnc_inode->i_mapping;
struct buffer_head *bh, *ra_bh;
sector_t submit_ptr = 0;
int ret;
@@ -1742,6 +1744,10 @@ nilfs_btree_prepare_convert_and_insert(struct nilfs_bmap *btree, __u64 key,
dat = nilfs_bmap_get_dat(btree);
}
+ ret = nilfs_attach_btree_node_cache(&NILFS_BMAP_I(btree)->vfs_inode);
+ if (ret < 0)
+ return ret;
+
ret = nilfs_bmap_prepare_alloc_ptr(btree, dreq, dat);
if (ret < 0)
return ret;
@@ -1914,7 +1920,7 @@ static int nilfs_btree_prepare_update_v(struct nilfs_bmap *btree,
path[level].bp_ctxt.newkey = path[level].bp_newreq.bpr_ptr;
path[level].bp_ctxt.bh = path[level].bp_bh;
ret = nilfs_btnode_prepare_change_key(
- &NILFS_BMAP_I(btree)->i_btnode_cache,
+ NILFS_BMAP_I(btree)->i_assoc_inode->i_mapping,
&path[level].bp_ctxt);
if (ret < 0) {
nilfs_dat_abort_update(dat,
@@ -1940,7 +1946,7 @@ static void nilfs_btree_commit_update_v(struct nilfs_bmap *btree,
if (buffer_nilfs_node(path[level].bp_bh)) {
nilfs_btnode_commit_change_key(
- &NILFS_BMAP_I(btree)->i_btnode_cache,
+ NILFS_BMAP_I(btree)->i_assoc_inode->i_mapping,
&path[level].bp_ctxt);
path[level].bp_bh = path[level].bp_ctxt.bh;
}
@@ -1959,7 +1965,7 @@ static void nilfs_btree_abort_update_v(struct nilfs_bmap *btree,
&path[level].bp_newreq.bpr_req);
if (buffer_nilfs_node(path[level].bp_bh))
nilfs_btnode_abort_change_key(
- &NILFS_BMAP_I(btree)->i_btnode_cache,
+ NILFS_BMAP_I(btree)->i_assoc_inode->i_mapping,
&path[level].bp_ctxt);
}
@@ -2135,7 +2141,8 @@ static void nilfs_btree_add_dirty_buffer(struct nilfs_bmap *btree,
static void nilfs_btree_lookup_dirty_buffers(struct nilfs_bmap *btree,
struct list_head *listp)
{
- struct address_space *btcache = &NILFS_BMAP_I(btree)->i_btnode_cache;
+ struct inode *btnc_inode = NILFS_BMAP_I(btree)->i_assoc_inode;
+ struct address_space *btcache = btnc_inode->i_mapping;
struct list_head lists[NILFS_BTREE_LEVEL_MAX];
struct pagevec pvec;
struct buffer_head *bh, *head;
@@ -2189,12 +2196,12 @@ static int nilfs_btree_assign_p(struct nilfs_bmap *btree,
path[level].bp_ctxt.newkey = blocknr;
path[level].bp_ctxt.bh = *bh;
ret = nilfs_btnode_prepare_change_key(
- &NILFS_BMAP_I(btree)->i_btnode_cache,
+ NILFS_BMAP_I(btree)->i_assoc_inode->i_mapping,
&path[level].bp_ctxt);
if (ret < 0)
return ret;
nilfs_btnode_commit_change_key(
- &NILFS_BMAP_I(btree)->i_btnode_cache,
+ NILFS_BMAP_I(btree)->i_assoc_inode->i_mapping,
&path[level].bp_ctxt);
*bh = path[level].bp_ctxt.bh;
}
@@ -2399,6 +2406,10 @@ int nilfs_btree_init(struct nilfs_bmap *bmap)
if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap), bmap->b_inode))
ret = -EIO;
+ else
+ ret = nilfs_attach_btree_node_cache(
+ &NILFS_BMAP_I(bmap)->vfs_inode);
+
return ret;
}
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index 6f4066636be9..a3523a243e11 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -497,7 +497,9 @@ int nilfs_dat_read(struct super_block *sb, size_t entry_size,
di = NILFS_DAT_I(dat);
lockdep_set_class(&di->mi.mi_sem, &dat_lock_key);
nilfs_palloc_setup_cache(dat, &di->palloc_cache);
- nilfs_mdt_setup_shadow_map(dat, &di->shadow);
+ err = nilfs_mdt_setup_shadow_map(dat, &di->shadow);
+ if (err)
+ goto failed;
err = nilfs_read_inode_common(dat, raw_inode);
if (err)
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index aa3c328ee189..114774ac2185 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -126,9 +126,10 @@ int nilfs_gccache_submit_read_data(struct inode *inode, sector_t blkoff,
int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn,
__u64 vbn, struct buffer_head **out_bh)
{
+ struct inode *btnc_inode = NILFS_I(inode)->i_assoc_inode;
int ret;
- ret = nilfs_btnode_submit_block(&NILFS_I(inode)->i_btnode_cache,
+ ret = nilfs_btnode_submit_block(btnc_inode->i_mapping,
vbn ? : pbn, pbn, REQ_OP_READ, 0,
out_bh, &pbn);
if (ret == -EEXIST) /* internal code (cache hit) */
@@ -170,7 +171,7 @@ int nilfs_init_gcinode(struct inode *inode)
ii->i_flags = 0;
nilfs_bmap_init_gc(ii->i_bmap);
- return 0;
+ return nilfs_attach_btree_node_cache(inode);
}
/**
@@ -185,7 +186,7 @@ void nilfs_remove_all_gcinodes(struct the_nilfs *nilfs)
ii = list_first_entry(head, struct nilfs_inode_info, i_dirty);
list_del_init(&ii->i_dirty);
truncate_inode_pages(&ii->vfs_inode.i_data, 0);
- nilfs_btnode_cache_clear(&ii->i_btnode_cache);
+ nilfs_btnode_cache_clear(ii->i_assoc_inode->i_mapping);
iput(&ii->vfs_inode);
}
}
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 671085512e0f..35b0bfe9324f 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -28,12 +28,16 @@
* @cno: checkpoint number
* @root: pointer on NILFS root object (mounted checkpoint)
* @for_gc: inode for GC flag
+ * @for_btnc: inode for B-tree node cache flag
+ * @for_shadow: inode for shadowed page cache flag
*/
struct nilfs_iget_args {
u64 ino;
__u64 cno;
struct nilfs_root *root;
- int for_gc;
+ bool for_gc;
+ bool for_btnc;
+ bool for_shadow;
};
static int nilfs_iget_test(struct inode *inode, void *opaque);
@@ -322,7 +326,8 @@ static int nilfs_insert_inode_locked(struct inode *inode,
unsigned long ino)
{
struct nilfs_iget_args args = {
- .ino = ino, .root = root, .cno = 0, .for_gc = 0
+ .ino = ino, .root = root, .cno = 0, .for_gc = false,
+ .for_btnc = false, .for_shadow = false
};
return insert_inode_locked4(inode, ino, nilfs_iget_test, &args);
@@ -534,6 +539,19 @@ static int nilfs_iget_test(struct inode *inode, void *opaque)
return 0;
ii = NILFS_I(inode);
+ if (test_bit(NILFS_I_BTNC, &ii->i_state)) {
+ if (!args->for_btnc)
+ return 0;
+ } else if (args->for_btnc) {
+ return 0;
+ }
+ if (test_bit(NILFS_I_SHADOW, &ii->i_state)) {
+ if (!args->for_shadow)
+ return 0;
+ } else if (args->for_shadow) {
+ return 0;
+ }
+
if (!test_bit(NILFS_I_GCINODE, &ii->i_state))
return !args->for_gc;
@@ -545,15 +563,17 @@ static int nilfs_iget_set(struct inode *inode, void *opaque)
struct nilfs_iget_args *args = opaque;
inode->i_ino = args->ino;
- if (args->for_gc) {
+ NILFS_I(inode)->i_cno = args->cno;
+ NILFS_I(inode)->i_root = args->root;
+ if (args->root && args->ino == NILFS_ROOT_INO)
+ nilfs_get_root(args->root);
+
+ if (args->for_gc)
NILFS_I(inode)->i_state = BIT(NILFS_I_GCINODE);
- NILFS_I(inode)->i_cno = args->cno;
- NILFS_I(inode)->i_root = NULL;
- } else {
- if (args->root && args->ino == NILFS_ROOT_INO)
- nilfs_get_root(args->root);
- NILFS_I(inode)->i_root = args->root;
- }
+ if (args->for_btnc)
+ NILFS_I(inode)->i_state |= BIT(NILFS_I_BTNC);
+ if (args->for_shadow)
+ NILFS_I(inode)->i_state |= BIT(NILFS_I_SHADOW);
return 0;
}
@@ -561,7 +581,8 @@ struct inode *nilfs_ilookup(struct super_block *sb, struct nilfs_root *root,
unsigned long ino)
{
struct nilfs_iget_args args = {
- .ino = ino, .root = root, .cno = 0, .for_gc = 0
+ .ino = ino, .root = root, .cno = 0, .for_gc = false,
+ .for_btnc = false, .for_shadow = false
};
return ilookup5(sb, ino, nilfs_iget_test, &args);
@@ -571,7 +592,8 @@ struct inode *nilfs_iget_locked(struct super_block *sb, struct nilfs_root *root,
unsigned long ino)
{
struct nilfs_iget_args args = {
- .ino = ino, .root = root, .cno = 0, .for_gc = 0
+ .ino = ino, .root = root, .cno = 0, .for_gc = false,
+ .for_btnc = false, .for_shadow = false
};
return iget5_locked(sb, ino, nilfs_iget_test, nilfs_iget_set, &args);
@@ -602,7 +624,8 @@ struct inode *nilfs_iget_for_gc(struct super_block *sb, unsigned long ino,
__u64 cno)
{
struct nilfs_iget_args args = {
- .ino = ino, .root = NULL, .cno = cno, .for_gc = 1
+ .ino = ino, .root = NULL, .cno = cno, .for_gc = true,
+ .for_btnc = false, .for_shadow = false
};
struct inode *inode;
int err;
@@ -622,6 +645,113 @@ struct inode *nilfs_iget_for_gc(struct super_block *sb, unsigned long ino,
return inode;
}
+/**
+ * nilfs_attach_btree_node_cache - attach a B-tree node cache to the inode
+ * @inode: inode object
+ *
+ * nilfs_attach_btree_node_cache() attaches a B-tree node cache to @inode,
+ * or does nothing if the inode already has it. This function allocates
+ * an additional inode to maintain page cache of B-tree nodes one-on-one.
+ *
+ * Return Value: On success, 0 is returned. On errors, one of the following
+ * negative error code is returned.
+ *
+ * %-ENOMEM - Insufficient memory available.
+ */
+int nilfs_attach_btree_node_cache(struct inode *inode)
+{
+ struct nilfs_inode_info *ii = NILFS_I(inode);
+ struct inode *btnc_inode;
+ struct nilfs_iget_args args;
+
+ if (ii->i_assoc_inode)
+ return 0;
+
+ args.ino = inode->i_ino;
+ args.root = ii->i_root;
+ args.cno = ii->i_cno;
+ args.for_gc = test_bit(NILFS_I_GCINODE, &ii->i_state) != 0;
+ args.for_btnc = true;
+ args.for_shadow = test_bit(NILFS_I_SHADOW, &ii->i_state) != 0;
+
+ btnc_inode = iget5_locked(inode->i_sb, inode->i_ino, nilfs_iget_test,
+ nilfs_iget_set, &args);
+ if (unlikely(!btnc_inode))
+ return -ENOMEM;
+ if (btnc_inode->i_state & I_NEW) {
+ nilfs_init_btnc_inode(btnc_inode);
+ unlock_new_inode(btnc_inode);
+ }
+ NILFS_I(btnc_inode)->i_assoc_inode = inode;
+ NILFS_I(btnc_inode)->i_bmap = ii->i_bmap;
+ ii->i_assoc_inode = btnc_inode;
+
+ return 0;
+}
+
+/**
+ * nilfs_detach_btree_node_cache - detach the B-tree node cache from the inode
+ * @inode: inode object
+ *
+ * nilfs_detach_btree_node_cache() detaches the B-tree node cache and its
+ * holder inode bound to @inode, or does nothing if @inode doesn't have it.
+ */
+void nilfs_detach_btree_node_cache(struct inode *inode)
+{
+ struct nilfs_inode_info *ii = NILFS_I(inode);
+ struct inode *btnc_inode = ii->i_assoc_inode;
+
+ if (btnc_inode) {
+ NILFS_I(btnc_inode)->i_assoc_inode = NULL;
+ ii->i_assoc_inode = NULL;
+ iput(btnc_inode);
+ }
+}
+
+/**
+ * nilfs_iget_for_shadow - obtain inode for shadow mapping
+ * @inode: inode object that uses shadow mapping
+ *
+ * nilfs_iget_for_shadow() allocates a pair of inodes that holds page
+ * caches for shadow mapping. The page cache for data pages is set up
+ * in one inode and the one for b-tree node pages is set up in the
+ * other inode, which is attached to the former inode.
+ *
+ * Return Value: On success, a pointer to the inode for data pages is
+ * returned. On errors, one of the following negative error code is returned
+ * in a pointer type.
+ *
+ * %-ENOMEM - Insufficient memory available.
+ */
+struct inode *nilfs_iget_for_shadow(struct inode *inode)
+{
+ struct nilfs_iget_args args = {
+ .ino = inode->i_ino, .root = NULL, .cno = 0, .for_gc = false,
+ .for_btnc = false, .for_shadow = true
+ };
+ struct inode *s_inode;
+ int err;
+
+ s_inode = iget5_locked(inode->i_sb, inode->i_ino, nilfs_iget_test,
+ nilfs_iget_set, &args);
+ if (unlikely(!s_inode))
+ return ERR_PTR(-ENOMEM);
+ if (!(s_inode->i_state & I_NEW))
+ return inode;
+
+ NILFS_I(s_inode)->i_flags = 0;
+ memset(NILFS_I(s_inode)->i_bmap, 0, sizeof(struct nilfs_bmap));
+ mapping_set_gfp_mask(s_inode->i_mapping, GFP_NOFS);
+
+ err = nilfs_attach_btree_node_cache(s_inode);
+ if (unlikely(err)) {
+ iget_failed(s_inode);
+ return ERR_PTR(err);
+ }
+ unlock_new_inode(s_inode);
+ return s_inode;
+}
+
void nilfs_write_inode_common(struct inode *inode,
struct nilfs_inode *raw_inode, int has_bmap)
{
@@ -770,7 +900,8 @@ static void nilfs_clear_inode(struct inode *inode)
if (test_bit(NILFS_I_BMAP, &ii->i_state))
nilfs_bmap_clear(ii->i_bmap);
- nilfs_btnode_cache_clear(&ii->i_btnode_cache);
+ if (!test_bit(NILFS_I_BTNC, &ii->i_state))
+ nilfs_detach_btree_node_cache(inode);
if (ii->i_root && inode->i_ino == NILFS_ROOT_INO)
nilfs_put_root(ii->i_root);
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 700870a92bc4..7c9055d767d1 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -469,9 +469,18 @@ int nilfs_mdt_init(struct inode *inode, gfp_t gfp_mask, size_t objsz)
void nilfs_mdt_clear(struct inode *inode)
{
struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+ struct nilfs_shadow_map *shadow = mdi->mi_shadow;
if (mdi->mi_palloc_cache)
nilfs_palloc_destroy_cache(inode);
+
+ if (shadow) {
+ struct inode *s_inode = shadow->inode;
+
+ shadow->inode = NULL;
+ iput(s_inode);
+ mdi->mi_shadow = NULL;
+ }
}
/**
@@ -505,12 +514,15 @@ int nilfs_mdt_setup_shadow_map(struct inode *inode,
struct nilfs_shadow_map *shadow)
{
struct nilfs_mdt_info *mi = NILFS_MDT(inode);
+ struct inode *s_inode;
INIT_LIST_HEAD(&shadow->frozen_buffers);
- address_space_init_once(&shadow->frozen_data);
- nilfs_mapping_init(&shadow->frozen_data, inode);
- address_space_init_once(&shadow->frozen_btnodes);
- nilfs_mapping_init(&shadow->frozen_btnodes, inode);
+
+ s_inode = nilfs_iget_for_shadow(inode);
+ if (IS_ERR(s_inode))
+ return PTR_ERR(s_inode);
+
+ shadow->inode = s_inode;
mi->mi_shadow = shadow;
return 0;
}
@@ -524,14 +536,15 @@ int nilfs_mdt_save_to_shadow_map(struct inode *inode)
struct nilfs_mdt_info *mi = NILFS_MDT(inode);
struct nilfs_inode_info *ii = NILFS_I(inode);
struct nilfs_shadow_map *shadow = mi->mi_shadow;
+ struct inode *s_inode = shadow->inode;
int ret;
- ret = nilfs_copy_dirty_pages(&shadow->frozen_data, inode->i_mapping);
+ ret = nilfs_copy_dirty_pages(s_inode->i_mapping, inode->i_mapping);
if (ret)
goto out;
- ret = nilfs_copy_dirty_pages(&shadow->frozen_btnodes,
- &ii->i_btnode_cache);
+ ret = nilfs_copy_dirty_pages(NILFS_I(s_inode)->i_assoc_inode->i_mapping,
+ ii->i_assoc_inode->i_mapping);
if (ret)
goto out;
@@ -547,7 +560,7 @@ int nilfs_mdt_freeze_buffer(struct inode *inode, struct buffer_head *bh)
struct page *page;
int blkbits = inode->i_blkbits;
- page = grab_cache_page(&shadow->frozen_data, bh->b_page->index);
+ page = grab_cache_page(shadow->inode->i_mapping, bh->b_page->index);
if (!page)
return -ENOMEM;
@@ -579,7 +592,7 @@ nilfs_mdt_get_frozen_buffer(struct inode *inode, struct buffer_head *bh)
struct page *page;
int n;
- page = find_lock_page(&shadow->frozen_data, bh->b_page->index);
+ page = find_lock_page(shadow->inode->i_mapping, bh->b_page->index);
if (page) {
if (page_has_buffers(page)) {
n = bh_offset(bh) >> inode->i_blkbits;
@@ -620,10 +633,11 @@ void nilfs_mdt_restore_from_shadow_map(struct inode *inode)
nilfs_palloc_clear_cache(inode);
nilfs_clear_dirty_pages(inode->i_mapping, true);
- nilfs_copy_back_pages(inode->i_mapping, &shadow->frozen_data);
+ nilfs_copy_back_pages(inode->i_mapping, shadow->inode->i_mapping);
- nilfs_clear_dirty_pages(&ii->i_btnode_cache, true);
- nilfs_copy_back_pages(&ii->i_btnode_cache, &shadow->frozen_btnodes);
+ nilfs_clear_dirty_pages(ii->i_assoc_inode->i_mapping, true);
+ nilfs_copy_back_pages(ii->i_assoc_inode->i_mapping,
+ NILFS_I(shadow->inode)->i_assoc_inode->i_mapping);
nilfs_bmap_restore(ii->i_bmap, &shadow->bmap_store);
@@ -638,10 +652,11 @@ void nilfs_mdt_clear_shadow_map(struct inode *inode)
{
struct nilfs_mdt_info *mi = NILFS_MDT(inode);
struct nilfs_shadow_map *shadow = mi->mi_shadow;
+ struct inode *shadow_btnc_inode = NILFS_I(shadow->inode)->i_assoc_inode;
down_write(&mi->mi_sem);
nilfs_release_frozen_buffers(shadow);
- truncate_inode_pages(&shadow->frozen_data, 0);
- truncate_inode_pages(&shadow->frozen_btnodes, 0);
+ truncate_inode_pages(shadow->inode->i_mapping, 0);
+ truncate_inode_pages(shadow_btnc_inode->i_mapping, 0);
up_write(&mi->mi_sem);
}
diff --git a/fs/nilfs2/mdt.h b/fs/nilfs2/mdt.h
index e77aea4bb921..9d8ac0d27c16 100644
--- a/fs/nilfs2/mdt.h
+++ b/fs/nilfs2/mdt.h
@@ -18,14 +18,12 @@
/**
* struct nilfs_shadow_map - shadow mapping of meta data file
* @bmap_store: shadow copy of bmap state
- * @frozen_data: shadowed dirty data pages
- * @frozen_btnodes: shadowed dirty b-tree nodes' pages
+ * @inode: holder of page caches used in shadow mapping
* @frozen_buffers: list of frozen buffers
*/
struct nilfs_shadow_map {
struct nilfs_bmap_store bmap_store;
- struct address_space frozen_data;
- struct address_space frozen_btnodes;
+ struct inode *inode;
struct list_head frozen_buffers;
};
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 42395ba52da6..4895d978369a 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -28,7 +28,7 @@
* @i_xattr:
* @i_dir_start_lookup: page index of last successful search
* @i_cno: checkpoint number for GC inode
- * @i_btnode_cache: cached pages of b-tree nodes
+ * @i_assoc_inode: associated inode (B-tree node cache holder or back pointer)
* @i_dirty: list for connecting dirty files
* @xattr_sem: semaphore for extended attributes processing
* @i_bh: buffer contains disk inode
@@ -43,7 +43,7 @@ struct nilfs_inode_info {
__u64 i_xattr; /* sector_t ??? */
__u32 i_dir_start_lookup;
__u64 i_cno; /* check point number for GC inode */
- struct address_space i_btnode_cache;
+ struct inode *i_assoc_inode;
struct list_head i_dirty; /* List for connecting dirty files */
#ifdef CONFIG_NILFS_XATTR
@@ -75,13 +75,6 @@ NILFS_BMAP_I(const struct nilfs_bmap *bmap)
return container_of(bmap, struct nilfs_inode_info, i_bmap_data);
}
-static inline struct inode *NILFS_BTNC_I(struct address_space *btnc)
-{
- struct nilfs_inode_info *ii =
- container_of(btnc, struct nilfs_inode_info, i_btnode_cache);
- return &ii->vfs_inode;
-}
-
/*
* Dynamic state flags of NILFS on-memory inode (i_state)
*/
@@ -98,6 +91,8 @@ enum {
NILFS_I_INODE_SYNC, /* dsync is not allowed for inode */
NILFS_I_BMAP, /* has bmap and btnode_cache */
NILFS_I_GCINODE, /* inode for GC, on memory only */
+ NILFS_I_BTNC, /* inode for btree node cache */
+ NILFS_I_SHADOW, /* inode for shadowed page cache */
};
/*
@@ -264,6 +259,9 @@ struct inode *nilfs_iget(struct super_block *sb, struct nilfs_root *root,
unsigned long ino);
extern struct inode *nilfs_iget_for_gc(struct super_block *sb,
unsigned long ino, __u64 cno);
+int nilfs_attach_btree_node_cache(struct inode *inode);
+void nilfs_detach_btree_node_cache(struct inode *inode);
+struct inode *nilfs_iget_for_shadow(struct inode *inode);
extern void nilfs_update_inode(struct inode *, struct buffer_head *, int);
extern void nilfs_truncate(struct inode *);
extern void nilfs_evict_inode(struct inode *);
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index d7fc8d369d89..98d21ad9a073 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -450,10 +450,9 @@ void nilfs_mapping_init(struct address_space *mapping, struct inode *inode)
/*
* NILFS2 needs clear_page_dirty() in the following two cases:
*
- * 1) For B-tree node pages and data pages of the dat/gcdat, NILFS2 clears
- * page dirty flags when it copies back pages from the shadow cache
- * (gcdat->{i_mapping,i_btnode_cache}) to its original cache
- * (dat->{i_mapping,i_btnode_cache}).
+ * 1) For B-tree node pages and data pages of DAT file, NILFS2 clears dirty
+ * flag of pages when it copies back pages from shadow cache to the
+ * original cache.
*
* 2) Some B-tree operations like insertion or deletion may dispose buffers
* in dirty state, and this needs to cancel the dirty state of their pages.
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 91b58c897f92..eb3ac7619088 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -738,15 +738,18 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode,
struct list_head *listp)
{
struct nilfs_inode_info *ii = NILFS_I(inode);
- struct address_space *mapping = &ii->i_btnode_cache;
+ struct inode *btnc_inode = ii->i_assoc_inode;
struct pagevec pvec;
struct buffer_head *bh, *head;
unsigned int i;
pgoff_t index = 0;
+ if (!btnc_inode)
+ return;
+
pagevec_init(&pvec);
- while (pagevec_lookup_tag(&pvec, mapping, &index,
+ while (pagevec_lookup_tag(&pvec, btnc_inode->i_mapping, &index,
PAGECACHE_TAG_DIRTY)) {
for (i = 0; i < pagevec_count(&pvec); i++) {
bh = head = page_buffers(pvec.pages[i]);
@@ -2410,7 +2413,7 @@ nilfs_remove_written_gcinodes(struct the_nilfs *nilfs, struct list_head *head)
continue;
list_del_init(&ii->i_dirty);
truncate_inode_pages(&ii->vfs_inode.i_data, 0);
- nilfs_btnode_cache_clear(&ii->i_btnode_cache);
+ nilfs_btnode_cache_clear(ii->i_assoc_inode->i_mapping);
iput(&ii->vfs_inode);
}
}
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 5729ee86da9a..b5bc9f0c6a40 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -151,7 +151,8 @@ struct inode *nilfs_alloc_inode(struct super_block *sb)
ii->i_bh = NULL;
ii->i_state = 0;
ii->i_cno = 0;
- nilfs_mapping_init(&ii->i_btnode_cache, &ii->vfs_inode);
+ ii->i_assoc_inode = NULL;
+ ii->i_bmap = &ii->i_bmap_data;
return &ii->vfs_inode;
}
@@ -1375,8 +1376,6 @@ static void nilfs_inode_init_once(void *obj)
#ifdef CONFIG_NILFS_XATTR
init_rwsem(&ii->xattr_sem);
#endif
- address_space_init_once(&ii->i_btnode_cache);
- ii->i_bmap = &ii->i_bmap_data;
inode_init_once(&ii->vfs_inode);
}
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index e2ed8e08cc7a..d1cabccc02b7 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -193,8 +193,6 @@ kclist_add_private(unsigned long pfn, unsigned long nr_pages, void *arg)
return 1;
p = pfn_to_page(pfn);
- if (!memmap_valid_within(pfn, p, page_zone(p)))
- return 1;
ent = kmalloc(sizeof(*ent), GFP_KERNEL);
if (!ent)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 56998391eaa2..bbe9f40dba2d 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1411,6 +1411,22 @@ static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector
return offset << SECTOR_SHIFT;
}
+/*
+ * Two cases of handling DISCARD merge:
+ * If max_discard_segments > 1, the driver takes every bio
+ * as a range and send them to controller together. The ranges
+ * needn't to be contiguous.
+ * Otherwise, the bios/requests will be handled as same as
+ * others which should be contiguous.
+ */
+static inline bool blk_discard_mergable(struct request *req)
+{
+ if (req_op(req) == REQ_OP_DISCARD &&
+ queue_max_discard_segments(req->q) > 1)
+ return true;
+ return false;
+}
+
static inline int bdev_discard_alignment(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index bd55e52061b6..6ae5f26d5499 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -115,14 +115,6 @@
*/
#define DMA_ATTR_IOMMU_USE_LLC_NWA (1UL << 17)
-/*
- * This is a hint to the DMA-mapping subsystem that the device is expected
- * to overwrite the entire mapped size, thus the caller does not require any
- * of the previous buffer contents to be preserved. This allows
- * bounce-buffering implementations to optimise DMA_FROM_DEVICE transfers.
- */
-#define DMA_ATTR_OVERWRITE (1UL << 18)
-
#define DMA_ERROR_CODE (~(dma_addr_t)0)
/*
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d83d403dac2e..88b3821554aa 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -627,7 +627,11 @@ static inline char *hex_byte_pack_upper(char *buf, u8 byte)
return buf;
}
+#ifdef __GENKSYMS__
extern int hex_to_bin(char ch);
+#else
+extern int hex_to_bin(unsigned char ch);
+#endif
extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
extern char *bin2hex(char *dst, const void *src, size_t count);
diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h
index 0661af17a758..1e0205811394 100644
--- a/include/linux/mc146818rtc.h
+++ b/include/linux/mc146818rtc.h
@@ -86,6 +86,8 @@ struct cmos_rtc_board_info {
/* 2 values for divider stage reset, others for "testing purposes only" */
# define RTC_DIV_RESET1 0x60
# define RTC_DIV_RESET2 0x70
+ /* In AMD BKDG bit 5 and 6 are reserved, bit 4 is for select dv0 bank */
+# define RTC_AMD_BANK_SELECT 0x10
/* Periodic intr. / Square wave rate select. 0=none, 1=32.8kHz,... 15=2Hz */
# define RTC_RATE_SELECT 0x0F
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index f876a5e9623d..6f2a15015435 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1466,37 +1466,6 @@ void memory_present(int nid, unsigned long start, unsigned long end);
#define pfn_valid_within(pfn) (1)
#endif
-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
-/*
- * pfn_valid() is meant to be able to tell if a given PFN has valid memmap
- * associated with it or not. This means that a struct page exists for this
- * pfn. The caller cannot assume the page is fully initialized in general.
- * Hotplugable pages might not have been onlined yet. pfn_to_online_page()
- * will ensure the struct page is fully online and initialized. Special pages
- * (e.g. ZONE_DEVICE) are never onlined and should be treated accordingly.
- *
- * In FLATMEM, it is expected that holes always have valid memmap as long as
- * there is valid PFNs either side of the hole. In SPARSEMEM, it is assumed
- * that a valid section has a memmap for the entire section.
- *
- * However, an ARM, and maybe other embedded architectures in the future
- * free memmap backing holes to save memory on the assumption the memmap is
- * never used. The page_zone linkages are then broken even though pfn_valid()
- * returns true. A walker of the full memmap must then do this additional
- * check to ensure the memmap they are looking at is sane by making sure
- * the zone and PFN linkages are still valid. This is expensive, but walkers
- * of the full memmap are extremely rare.
- */
-bool memmap_valid_within(unsigned long pfn,
- struct page *page, struct zone *zone);
-#else
-static inline bool memmap_valid_within(unsigned long pfn,
- struct page *page, struct zone *zone)
-{
- return true;
-}
-#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
-
#endif /* !__GENERATING_BOUNDS.H */
#endif /* !__ASSEMBLY__ */
#endif /* _LINUX_MMZONE_H */
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index cebbaf5afd4a..72a1c248f2e3 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -158,7 +158,7 @@ enum {
#define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
#define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC)
-/* Finds the next feature with the highest number of the range of start till 0.
+/* Finds the next feature with the highest number of the range of start-1 till 0.
*/
static inline int find_next_netdev_feature(u64 feature, unsigned long start)
{
@@ -177,7 +177,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
for ((bit) = find_next_netdev_feature((mask_addr), \
NETDEV_FEATURE_COUNT); \
(bit) >= 0; \
- (bit) = find_next_netdev_feature((mask_addr), (bit) - 1))
+ (bit) = find_next_netdev_feature((mask_addr), (bit)))
/* Features valid for ethtool to change */
/* = all defined minus driver/device-class-related */
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 3a1d899019af..ab0da04ac9ee 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -133,6 +133,14 @@ static inline void mm_update_next_owner(struct mm_struct *mm)
#endif /* CONFIG_MEMCG */
#ifdef CONFIG_MMU
+#ifndef arch_get_mmap_end
+#define arch_get_mmap_end(addr) (TASK_SIZE)
+#endif
+
+#ifndef arch_get_mmap_base
+#define arch_get_mmap_base(addr, base) (base)
+#endif
+
extern void arch_pick_mmap_layout(struct mm_struct *mm,
struct rlimit *rlim_stack);
extern unsigned long
diff --git a/include/linux/security.h b/include/linux/security.h
index a52748661a38..3e168fb4bb44 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -118,10 +118,12 @@ enum lockdown_reason {
LOCKDOWN_MMIOTRACE,
LOCKDOWN_DEBUGFS,
LOCKDOWN_XMON_WR,
+ LOCKDOWN_DBG_WRITE_KERNEL,
LOCKDOWN_INTEGRITY_MAX,
LOCKDOWN_KCORE,
LOCKDOWN_KPROBES,
LOCKDOWN_BPF_READ,
+ LOCKDOWN_DBG_READ_KERNEL,
LOCKDOWN_PERF,
LOCKDOWN_TRACEFS,
LOCKDOWN_XMON_RW,
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 1b1d14e015bf..2750e122fdb7 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -205,5 +205,6 @@ struct plat_stmmacenet_data {
int cmd);
void (*request_phy_wol)(void *plat);
int (*init_pps)(void *priv);
+ bool sph_disable;
};
#endif
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index a940de03808d..46deca97e806 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -90,6 +90,7 @@ struct sock_xprt {
#define XPRT_SOCK_WAKE_WRITE (5)
#define XPRT_SOCK_WAKE_PENDING (6)
#define XPRT_SOCK_WAKE_DISCONNECT (7)
+#define XPRT_SOCK_CONNECT_SENT (8)
#endif /* __KERNEL__ */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 14d00cc10e22..ecad25900ad7 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -34,6 +34,9 @@
/* HCI priority */
#define HCI_PRIO_MAX 7
+/* HCI maximum id value */
+#define HCI_MAX_ID 10000
+
/* HCI Core structures */
struct inquiry_data {
bdaddr_t bdaddr;
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index a1869a678944..a186c245a6f4 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -420,7 +420,7 @@ static inline void sk_rcv_saddr_set(struct sock *sk, __be32 addr)
}
int __inet_hash_connect(struct inet_timewait_death_row *death_row,
- struct sock *sk, u32 port_offset,
+ struct sock *sk, u64 port_offset,
int (*check_established)(struct inet_timewait_death_row *,
struct sock *, __u16,
struct inet_timewait_sock **));
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index e799bea9dab7..2beb46538381 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -71,8 +71,13 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
int ret = NF_ACCEPT;
if (ct) {
- if (!nf_ct_is_confirmed(ct))
+ if (!nf_ct_is_confirmed(ct)) {
ret = __nf_conntrack_confirm(skb);
+
+ if (ret == NF_ACCEPT)
+ ct = (struct nf_conn *)skb_nfct(skb);
+ }
+
if (likely(ret == NF_ACCEPT))
nf_ct_deliver_cached_events(ct);
}
diff --git a/include/net/secure_seq.h b/include/net/secure_seq.h
index d7d2495f83c2..dac91aa38c5a 100644
--- a/include/net/secure_seq.h
+++ b/include/net/secure_seq.h
@@ -4,8 +4,8 @@
#include
-u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
-u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
+u64 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
+u64 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
__be16 dport);
u32 secure_tcp_seq(__be32 saddr, __be32 daddr,
__be16 sport, __be16 dport);
diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h
index 748cf87a4d7e..3e02709a1df6 100644
--- a/include/net/tc_act/tc_pedit.h
+++ b/include/net/tc_act/tc_pedit.h
@@ -14,6 +14,7 @@ struct tcf_pedit {
struct tc_action common;
unsigned char tcfp_nkeys;
unsigned char tcfp_flags;
+ u32 tcfp_off_max_hint;
struct tc_pedit_key *tcfp_keys;
struct tcf_pedit_key_ex *tcfp_keys_ex;
};
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 1d7c7224bcee..ef96ccb02468 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -619,6 +619,7 @@ void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req);
void tcp_reset(struct sock *sk);
void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb);
void tcp_fin(struct sock *sk);
+void tcp_check_space(struct sock *sk);
/* tcp_timer.c */
void tcp_init_xmit_timers(struct sock *);
@@ -2024,6 +2025,11 @@ struct tcp_request_sock_ops {
enum tcp_synack_type synack_type);
};
+extern const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops;
+#if IS_ENABLED(CONFIG_IPV6)
+extern const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops;
+#endif
+
#ifdef CONFIG_SYN_COOKIES
static inline __u32 cookie_init_sequence(const struct tcp_request_sock_ops *ops,
const struct sock *sk, struct sk_buff *skb,
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 9921c080a885..b1d26bff1ee5 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -433,6 +433,10 @@ struct snd_pcm_runtime {
/* -- OSS things -- */
struct snd_pcm_oss_runtime oss;
#endif
+#ifndef __GENKSYMS__
+ struct mutex buffer_mutex; /* protect for buffer changes */
+ atomic_t buffer_accessing; /* >0: in r/w operation, <0: blocked */
+#endif
};
struct snd_pcm_group { /* keep linked substreams */
diff --git a/include/uapi/linux/dma-buf.h b/include/uapi/linux/dma-buf.h
index 7f30393b92c3..f76d11725c6c 100644
--- a/include/uapi/linux/dma-buf.h
+++ b/include/uapi/linux/dma-buf.h
@@ -44,7 +44,7 @@ struct dma_buf_sync {
* between them in actual uapi, they're just different numbers.
*/
#define DMA_BUF_SET_NAME _IOW(DMA_BUF_BASE, 1, const char *)
-#define DMA_BUF_SET_NAME_A _IOW(DMA_BUF_BASE, 1, u32)
-#define DMA_BUF_SET_NAME_B _IOW(DMA_BUF_BASE, 1, u64)
+#define DMA_BUF_SET_NAME_A _IOW(DMA_BUF_BASE, 1, __u32)
+#define DMA_BUF_SET_NAME_B _IOW(DMA_BUF_BASE, 1, __u64)
#endif
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 3cd43a1d60a3..662577ff7ecb 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -3307,8 +3307,11 @@ static struct notifier_block cpuset_track_online_nodes_nb = {
*/
void __init cpuset_init_smp(void)
{
- cpumask_copy(top_cpuset.cpus_allowed, cpu_active_mask);
- top_cpuset.mems_allowed = node_states[N_MEMORY];
+ /*
+ * cpus_allowd/mems_allowed set to v2 values in the initial
+ * cpuset_bind() call will be reset to v1 values in another
+ * cpuset_bind() call when v1 cpuset is mounted.
+ */
top_cpuset.old_mems_allowed = top_cpuset.mems_allowed;
cpumask_copy(top_cpuset.effective_cpus, cpu_active_mask);
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 097ab02989f9..565987557ad8 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -56,6 +56,7 @@
#include
#include
#include
+#include
#include
#include
@@ -685,6 +686,29 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs,
continue;
kgdb_connected = 0;
} else {
+ /*
+ * This is a brutal way to interfere with the debugger
+ * and prevent gdb being used to poke at kernel memory.
+ * This could cause trouble if lockdown is applied when
+ * there is already an active gdb session. For now the
+ * answer is simply "don't do that". Typically lockdown
+ * *will* be applied before the debug core gets started
+ * so only developers using kgdb for fairly advanced
+ * early kernel debug can be biten by this. Hopefully
+ * they are sophisticated enough to take care of
+ * themselves, especially with help from the lockdown
+ * message printed on the console!
+ */
+ if (security_locked_down(LOCKDOWN_DBG_WRITE_KERNEL)) {
+ if (IS_ENABLED(CONFIG_KGDB_KDB)) {
+ /* Switch back to kdb if possible... */
+ dbg_kdb_mode = 1;
+ continue;
+ } else {
+ /* ... otherwise just bail */
+ break;
+ }
+ }
error = gdb_serial_stub(ks);
}
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 4567fe998c30..7c96bf9a6c2c 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -45,6 +45,7 @@
#include
#include
#include
+#include
#include "kdb_private.h"
#undef MODULE_PARAM_PREFIX
@@ -198,10 +199,62 @@ struct task_struct *kdb_curr_task(int cpu)
}
/*
- * Check whether the flags of the current command and the permissions
- * of the kdb console has allow a command to be run.
+ * Update the permissions flags (kdb_cmd_enabled) to match the
+ * current lockdown state.
+ *
+ * Within this function the calls to security_locked_down() are "lazy". We
+ * avoid calling them if the current value of kdb_cmd_enabled already excludes
+ * flags that might be subject to lockdown. Additionally we deliberately check
+ * the lockdown flags independently (even though read lockdown implies write
+ * lockdown) since that results in both simpler code and clearer messages to
+ * the user on first-time debugger entry.
+ *
+ * The permission masks during a read+write lockdown permits the following
+ * flags: INSPECT, SIGNAL, REBOOT (and ALWAYS_SAFE).
+ *
+ * The INSPECT commands are not blocked during lockdown because they are
+ * not arbitrary memory reads. INSPECT covers the backtrace family (sometimes
+ * forcing them to have no arguments) and lsmod. These commands do expose
+ * some kernel state but do not allow the developer seated at the console to
+ * choose what state is reported. SIGNAL and REBOOT should not be controversial,
+ * given these are allowed for root during lockdown already.
*/
-static inline bool kdb_check_flags(kdb_cmdflags_t flags, int permissions,
+static void kdb_check_for_lockdown(void)
+{
+ const int write_flags = KDB_ENABLE_MEM_WRITE |
+ KDB_ENABLE_REG_WRITE |
+ KDB_ENABLE_FLOW_CTRL;
+ const int read_flags = KDB_ENABLE_MEM_READ |
+ KDB_ENABLE_REG_READ;
+
+ bool need_to_lockdown_write = false;
+ bool need_to_lockdown_read = false;
+
+ if (kdb_cmd_enabled & (KDB_ENABLE_ALL | write_flags))
+ need_to_lockdown_write =
+ security_locked_down(LOCKDOWN_DBG_WRITE_KERNEL);
+
+ if (kdb_cmd_enabled & (KDB_ENABLE_ALL | read_flags))
+ need_to_lockdown_read =
+ security_locked_down(LOCKDOWN_DBG_READ_KERNEL);
+
+ /* De-compose KDB_ENABLE_ALL if required */
+ if (need_to_lockdown_write || need_to_lockdown_read)
+ if (kdb_cmd_enabled & KDB_ENABLE_ALL)
+ kdb_cmd_enabled = KDB_ENABLE_MASK & ~KDB_ENABLE_ALL;
+
+ if (need_to_lockdown_write)
+ kdb_cmd_enabled &= ~write_flags;
+
+ if (need_to_lockdown_read)
+ kdb_cmd_enabled &= ~read_flags;
+}
+
+/*
+ * Check whether the flags of the current command, the permissions of the kdb
+ * console and the lockdown state allow a command to be run.
+ */
+static bool kdb_check_flags(kdb_cmdflags_t flags, int permissions,
bool no_args)
{
/* permissions comes from userspace so needs massaging slightly */
@@ -1188,6 +1241,9 @@ static int kdb_local(kdb_reason_t reason, int error, struct pt_regs *regs,
kdb_curr_task(raw_smp_processor_id());
KDB_DEBUG_STATE("kdb_local 1", reason);
+
+ kdb_check_for_lockdown();
+
kdb_go_count = 0;
if (reason == KDB_REASON_DEBUG) {
/* special case below */
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index f17b771856d1..913cb71198af 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -571,11 +571,14 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
*/
for (i = 0; i < nslots; i++)
io_tlb_orig_addr[index+i] = orig_addr + (i << IO_TLB_SHIFT);
- if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC) &&
- (!(attrs & DMA_ATTR_OVERWRITE) || dir == DMA_TO_DEVICE ||
- dir == DMA_BIDIRECTIONAL))
- swiotlb_bounce(orig_addr, tlb_addr, mapping_size, DMA_TO_DEVICE);
-
+ /*
+ * When dir == DMA_FROM_DEVICE we could omit the copy from the orig
+ * to the tlb buffer, if we knew for sure the device will
+ * overwirte the entire current content. But we don't. Thus
+ * unconditional bounce may prevent leaking swiotlb content (i.e.
+ * kernel memory) to user-space.
+ */
+ swiotlb_bounce(orig_addr, tlb_addr, mapping_size, DMA_TO_DEVICE);
return tlb_addr;
}
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 3ef02eb41e8b..4fd663e72ef1 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -11384,6 +11384,9 @@ SYSCALL_DEFINE5(perf_event_open,
* Do not allow to attach to a group in a different task
* or CPU context. If we're moving SW events, we'll fix
* this up later, so allow that.
+ *
+ * Racy, not holding group_leader->ctx->mutex, see comment with
+ * perf_event_ctx_lock().
*/
if (!move_group && group_leader->ctx != ctx)
goto err_context;
@@ -11433,6 +11436,7 @@ SYSCALL_DEFINE5(perf_event_open,
} else {
perf_event_ctx_unlock(group_leader, gctx);
move_group = 0;
+ goto not_move_group;
}
}
@@ -11449,7 +11453,17 @@ SYSCALL_DEFINE5(perf_event_open,
}
} else {
mutex_lock(&ctx->mutex);
+
+ /*
+ * Now that we hold ctx->lock, (re)validate group_leader->ctx == ctx,
+ * see the group_leader && !move_group test earlier.
+ */
+ if (group_leader && group_leader->ctx != ctx) {
+ err = -EINVAL;
+ goto err_locked;
+ }
}
+not_move_group:
if (ctx->task == TASK_TOMBSTONE) {
err = -ESRCH;
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index c9d8eb7f5c02..ba4d742c1c65 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -29,12 +29,14 @@ extern struct irqaction chained_action;
* IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
* IRQTF_AFFINITY - irq thread is requested to adjust affinity
* IRQTF_FORCED_THREAD - irq action is force threaded
+ * IRQTF_READY - signals that irq thread is ready
*/
enum {
IRQTF_RUNTHREAD,
IRQTF_WARNED,
IRQTF_AFFINITY,
IRQTF_FORCED_THREAD,
+ IRQTF_READY,
};
/*
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 9be995fc3c5a..172b5e6bc4c2 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -405,6 +405,7 @@ static struct irq_desc *alloc_desc(int irq, int node, unsigned int flags,
lockdep_set_class(&desc->lock, &irq_desc_lock_class);
mutex_init(&desc->request_mutex);
init_rcu_head(&desc->rcu);
+ init_waitqueue_head(&desc->wait_for_threads);
desc_set_defaults(irq, desc, node, affinity, owner);
irqd_set(&desc->irq_data, flags);
@@ -573,6 +574,7 @@ int __init early_irq_init(void)
raw_spin_lock_init(&desc[i].lock);
lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
mutex_init(&desc[i].request_mutex);
+ init_waitqueue_head(&desc[i].wait_for_threads);
desc_set_defaults(i, &desc[i], node, NULL, NULL);
}
return arch_early_irq_init();
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 918fe0593386..79214f983624 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1102,6 +1102,31 @@ static void irq_wake_secondary(struct irq_desc *desc, struct irqaction *action)
raw_spin_unlock_irq(&desc->lock);
}
+/*
+ * Internal function to notify that a interrupt thread is ready.
+ */
+static void irq_thread_set_ready(struct irq_desc *desc,
+ struct irqaction *action)
+{
+ set_bit(IRQTF_READY, &action->thread_flags);
+ wake_up(&desc->wait_for_threads);
+}
+
+/*
+ * Internal function to wake up a interrupt thread and wait until it is
+ * ready.
+ */
+static void wake_up_and_wait_for_irq_thread_ready(struct irq_desc *desc,
+ struct irqaction *action)
+{
+ if (!action || !action->thread)
+ return;
+
+ wake_up_process(action->thread);
+ wait_event(desc->wait_for_threads,
+ test_bit(IRQTF_READY, &action->thread_flags));
+}
+
/*
* Interrupt handler thread
*/
@@ -1113,6 +1138,8 @@ static int irq_thread(void *data)
irqreturn_t (*handler_fn)(struct irq_desc *desc,
struct irqaction *action);
+ irq_thread_set_ready(desc, action);
+
if (force_irqthreads && test_bit(IRQTF_FORCED_THREAD,
&action->thread_flags))
handler_fn = irq_forced_thread_fn;
@@ -1541,8 +1568,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
}
if (!shared) {
- init_waitqueue_head(&desc->wait_for_threads);
-
/* Setup the type (level, edge polarity) if configured: */
if (new->flags & IRQF_TRIGGER_MASK) {
ret = __irq_set_trigger(desc,
@@ -1632,14 +1657,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
irq_setup_timings(desc, new);
- /*
- * Strictly no need to wake it up, but hung_task complains
- * when no hard interrupt wakes the thread up.
- */
- if (new->thread)
- wake_up_process(new->thread);
- if (new->secondary)
- wake_up_process(new->secondary->thread);
+ wake_up_and_wait_for_irq_thread_ready(desc, new);
+ wake_up_and_wait_for_irq_thread_ready(desc, new->secondary);
register_irq_proc(irq, desc);
new->dir = NULL;
diff --git a/lib/assoc_array.c b/lib/assoc_array.c
index 6f4bcf524554..b537a83678e1 100644
--- a/lib/assoc_array.c
+++ b/lib/assoc_array.c
@@ -1462,6 +1462,7 @@ int assoc_array_gc(struct assoc_array *array,
struct assoc_array_ptr *cursor, *ptr;
struct assoc_array_ptr *new_root, *new_parent, **new_ptr_pp;
unsigned long nr_leaves_on_tree;
+ bool retained;
int keylen, slot, nr_free, next_slot, i;
pr_devel("-->%s()\n", __func__);
@@ -1538,6 +1539,7 @@ int assoc_array_gc(struct assoc_array *array,
goto descend;
}
+retry_compress:
pr_devel("-- compress node %p --\n", new_n);
/* Count up the number of empty slots in this node and work out the
@@ -1555,6 +1557,7 @@ int assoc_array_gc(struct assoc_array *array,
pr_devel("free=%d, leaves=%lu\n", nr_free, new_n->nr_leaves_on_branch);
/* See what we can fold in */
+ retained = false;
next_slot = 0;
for (slot = 0; slot < ASSOC_ARRAY_FAN_OUT; slot++) {
struct assoc_array_shortcut *s;
@@ -1604,9 +1607,14 @@ int assoc_array_gc(struct assoc_array *array,
pr_devel("[%d] retain node %lu/%d [nx %d]\n",
slot, child->nr_leaves_on_branch, nr_free + 1,
next_slot);
+ retained = true;
}
}
+ if (retained && new_n->nr_leaves_on_branch <= ASSOC_ARRAY_FAN_OUT) {
+ pr_devel("internal nodes remain despite enough space, retrying\n");
+ goto retry_compress;
+ }
pr_devel("after: %lu\n", new_n->nr_leaves_on_branch);
nr_leaves_on_tree = new_n->nr_leaves_on_branch;
diff --git a/lib/dim/net_dim.c b/lib/dim/net_dim.c
index a4db51c21266..dae3b51ac3d9 100644
--- a/lib/dim/net_dim.c
+++ b/lib/dim/net_dim.c
@@ -12,41 +12,41 @@
* Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES
*/
#define NET_DIM_PARAMS_NUM_PROFILES 5
-#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256
-#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128
+#define NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE 256
+#define NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE 128
#define NET_DIM_DEF_PROFILE_CQE 1
#define NET_DIM_DEF_PROFILE_EQE 1
#define NET_DIM_RX_EQE_PROFILES { \
- {1, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {8, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {64, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \
+ {.usec = 1, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 8, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 64, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 128, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 256, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,} \
}
#define NET_DIM_RX_CQE_PROFILES { \
- {2, 256}, \
- {8, 128}, \
- {16, 64}, \
- {32, 64}, \
- {64, 64} \
+ {.usec = 2, .pkts = 256,}, \
+ {.usec = 8, .pkts = 128,}, \
+ {.usec = 16, .pkts = 64,}, \
+ {.usec = 32, .pkts = 64,}, \
+ {.usec = 64, .pkts = 64,} \
}
#define NET_DIM_TX_EQE_PROFILES { \
- {1, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {8, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {32, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {64, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \
- {128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE} \
+ {.usec = 1, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 8, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 32, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 64, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \
+ {.usec = 128, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,} \
}
#define NET_DIM_TX_CQE_PROFILES { \
- {5, 128}, \
- {8, 64}, \
- {16, 32}, \
- {32, 32}, \
- {64, 32} \
+ {.usec = 5, .pkts = 128,}, \
+ {.usec = 8, .pkts = 64,}, \
+ {.usec = 16, .pkts = 32,}, \
+ {.usec = 32, .pkts = 32,}, \
+ {.usec = 64, .pkts = 32,} \
}
static const struct dim_cq_moder
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 147133f8eb2f..c575133beb2d 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -21,15 +21,41 @@ EXPORT_SYMBOL(hex_asc_upper);
*
* hex_to_bin() converts one hex digit to its actual value or -1 in case of bad
* input.
+ *
+ * This function is used to load cryptographic keys, so it is coded in such a
+ * way that there are no conditions or memory accesses that depend on data.
+ *
+ * Explanation of the logic:
+ * (ch - '9' - 1) is negative if ch <= '9'
+ * ('0' - 1 - ch) is negative if ch >= '0'
+ * we "and" these two values, so the result is negative if ch is in the range
+ * '0' ... '9'
+ * we are only interested in the sign, so we do a shift ">> 8"; note that right
+ * shift of a negative value is implementation-defined, so we cast the
+ * value to (unsigned) before the shift --- we have 0xffffff if ch is in
+ * the range '0' ... '9', 0 otherwise
+ * we "and" this value with (ch - '0' + 1) --- we have a value 1 ... 10 if ch is
+ * in the range '0' ... '9', 0 otherwise
+ * we add this value to -1 --- we have a value 0 ... 9 if ch is in the range '0'
+ * ... '9', -1 otherwise
+ * the next line is similar to the previous one, but we need to decode both
+ * uppercase and lowercase letters, so we use (ch & 0xdf), which converts
+ * lowercase to uppercase
*/
+/*
+ * perserve abi due to 15b78a8e38e8 ("hex2bin: make the function hex_to_bin
+ * constant-time"
+ */
+#ifdef __GENKSYMS__
int hex_to_bin(char ch)
+#else
+int hex_to_bin(unsigned char ch)
+#endif
{
- if ((ch >= '0') && (ch <= '9'))
- return ch - '0';
- ch = tolower(ch);
- if ((ch >= 'a') && (ch <= 'f'))
- return ch - 'a' + 10;
- return -1;
+ unsigned char cu = ch & 0xdf;
+ return -1 +
+ ((ch - '0' + 1) & (unsigned)((ch - '9' - 1) & ('0' - 1 - ch)) >> 8) +
+ ((cu - 'A' + 11) & (unsigned)((cu - 'F' - 1) & ('A' - 1 - cu)) >> 8);
}
EXPORT_SYMBOL(hex_to_bin);
@@ -44,10 +70,13 @@ EXPORT_SYMBOL(hex_to_bin);
int hex2bin(u8 *dst, const char *src, size_t count)
{
while (count--) {
- int hi = hex_to_bin(*src++);
- int lo = hex_to_bin(*src++);
+ int hi, lo;
- if ((hi < 0) || (lo < 0))
+ hi = hex_to_bin(*src++);
+ if (unlikely(hi < 0))
+ return -EINVAL;
+ lo = hex_to_bin(*src++);
+ if (unlikely(lo < 0))
return -EINVAL;
*dst++ = (hi << 4) | lo;
diff --git a/mm/memory.c b/mm/memory.c
index eca229e9e2c4..159418393187 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5269,6 +5269,8 @@ long copy_huge_page_from_user(struct page *dst_page,
if (rc)
break;
+ flush_dcache_page(subpage);
+
cond_resched();
}
return ret_val;
diff --git a/mm/migrate.c b/mm/migrate.c
index 9aa383ee929a..c109fd0234c3 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -994,9 +994,12 @@ static int move_to_new_page(struct page *newpage, struct page *page,
if (!PageMappingFlags(page))
page->mapping = NULL;
- if (likely(!is_zone_device_page(newpage)))
- flush_dcache_page(newpage);
+ if (likely(!is_zone_device_page(newpage))) {
+ int i, nr = compound_nr(newpage);
+ for (i = 0; i < nr; i++)
+ flush_dcache_page(newpage + i);
+ }
}
out:
return rc;
diff --git a/mm/mmap.c b/mm/mmap.c
index 04f03cb0e3a5..76c450c339ce 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2144,14 +2144,6 @@ unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info)
}
-#ifndef arch_get_mmap_end
-#define arch_get_mmap_end(addr) (TASK_SIZE)
-#endif
-
-#ifndef arch_get_mmap_base
-#define arch_get_mmap_base(addr, base) (base)
-#endif
-
/* Get an address range which is currently unmapped.
* For shmat() with addr=0.
*
diff --git a/mm/mmzone.c b/mm/mmzone.c
index 4686fdc23bb9..f337831affc2 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -72,20 +72,6 @@ struct zoneref *__next_zones_zonelist(struct zoneref *z,
return z;
}
-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
-bool memmap_valid_within(unsigned long pfn,
- struct page *page, struct zone *zone)
-{
- if (page_to_pfn(page) != pfn)
- return false;
-
- if (page_zone(page) != zone)
- return false;
-
- return true;
-}
-#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
-
void lruvec_init(struct lruvec *lruvec)
{
enum lru_list lru;
diff --git a/mm/page_io.c b/mm/page_io.c
index bc370c8e1667..06d6c49ec987 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -71,54 +71,6 @@ void end_swap_bio_write(struct bio *bio)
bio_put(bio);
}
-static void swap_slot_free_notify(struct page *page)
-{
- struct swap_info_struct *sis;
- struct gendisk *disk;
- swp_entry_t entry;
-
- /*
- * There is no guarantee that the page is in swap cache - the software
- * suspend code (at least) uses end_swap_bio_read() against a non-
- * swapcache page. So we must check PG_swapcache before proceeding with
- * this optimization.
- */
- if (unlikely(!PageSwapCache(page)))
- return;
-
- sis = page_swap_info(page);
- if (!(sis->flags & SWP_BLKDEV))
- return;
-
- /*
- * The swap subsystem performs lazy swap slot freeing,
- * expecting that the page will be swapped out again.
- * So we can avoid an unnecessary write if the page
- * isn't redirtied.
- * This is good for real swap storage because we can
- * reduce unnecessary I/O and enhance wear-leveling
- * if an SSD is used as the as swap device.
- * But if in-memory swap device (eg zram) is used,
- * this causes a duplicated copy between uncompressed
- * data in VM-owned memory and compressed data in
- * zram-owned memory. So let's free zram-owned memory
- * and make the VM-owned decompressed page *dirty*,
- * so the page should be swapped out somewhere again if
- * we again wish to reclaim it.
- */
- disk = sis->bdev->bd_disk;
- entry.val = page_private(page);
- if (disk->fops->swap_slot_free_notify && __swap_count(entry) == 1) {
- unsigned long offset;
-
- offset = swp_offset(entry);
-
- SetPageDirty(page);
- disk->fops->swap_slot_free_notify(sis->bdev,
- offset);
- }
-}
-
static void end_swap_bio_read(struct bio *bio)
{
struct page *page = bio_first_page_all(bio);
@@ -134,7 +86,6 @@ static void end_swap_bio_read(struct bio *bio)
}
SetPageUptodate(page);
- swap_slot_free_notify(page);
out:
unlock_page(page);
WRITE_ONCE(bio->bi_private, NULL);
@@ -382,11 +333,6 @@ int swap_readpage(struct page *page, bool synchronous)
ret = bdev_read_page(sis->bdev, swap_page_sector(page), page);
if (!ret) {
- if (trylock_page(page)) {
- swap_slot_free_notify(page);
- unlock_page(page);
- }
-
count_vm_event(PSWPIN);
goto out;
}
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 640ff2bd9a69..6fa66e2111ea 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -53,6 +53,8 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
/* don't free the page */
goto out;
}
+
+ flush_dcache_page(page);
} else {
page = *pagep;
*pagep = NULL;
@@ -572,6 +574,7 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm,
err = -EFAULT;
goto out;
}
+ flush_dcache_page(page);
goto retry;
} else
BUG_ON(page);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 02303b22d563..af290e42d497 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1457,10 +1457,6 @@ static void pagetypeinfo_showblockcount_print(struct seq_file *m,
if (!page)
continue;
- /* Watch for unexpected holes punched in the memmap */
- if (!memmap_valid_within(pfn, page, zone))
- continue;
-
if (page_zone(page) != zone)
continue;
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 33cdfb66c5aa..acbcd5593300 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1748,11 +1748,40 @@ static enum fullness_group putback_zspage(struct size_class *class,
*/
static void lock_zspage(struct zspage *zspage)
{
- struct page *page = get_first_page(zspage);
+ struct page *curr_page, *page;
- do {
- lock_page(page);
- } while ((page = get_next_page(page)) != NULL);
+ /*
+ * Pages we haven't locked yet can be migrated off the list while we're
+ * trying to lock them, so we need to be careful and only attempt to
+ * lock each page under migrate_read_lock(). Otherwise, the page we lock
+ * may no longer belong to the zspage. This means that we may wait for
+ * the wrong page to unlock, so we must take a reference to the page
+ * prior to waiting for it to unlock outside migrate_read_lock().
+ */
+ while (1) {
+ migrate_read_lock(zspage);
+ page = get_first_page(zspage);
+ if (trylock_page(page))
+ break;
+ get_page(page);
+ migrate_read_unlock(zspage);
+ wait_on_page_locked(page);
+ put_page(page);
+ }
+
+ curr_page = page;
+ while ((page = get_next_page(curr_page))) {
+ if (trylock_page(page)) {
+ curr_page = page;
+ } else {
+ get_page(page);
+ migrate_read_unlock(zspage);
+ wait_on_page_locked(page);
+ put_page(page);
+ migrate_read_lock(zspage);
+ }
+ }
+ migrate_read_unlock(zspage);
}
static int zs_init_fs_context(struct fs_context *fc)
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 0da90e73c79b..f33a7f7a1249 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -478,6 +478,17 @@ int batadv_frag_send_packet(struct sk_buff *skb,
goto free_skb;
}
+ /* GRO might have added fragments to the fragment list instead of
+ * frags[]. But this is not handled by skb_split and must be
+ * linearized to avoid incorrect length information after all
+ * batman-adv fragments were created and submitted to the
+ * hard-interface
+ */
+ if (skb_has_frag_list(skb) && __skb_linearize(skb)) {
+ ret = -ENOMEM;
+ goto free_skb;
+ }
+
/* Create one header to be copied to all fragments */
frag_header.packet_type = BATADV_UNICAST_FRAG;
frag_header.version = BATADV_COMPAT_VERSION;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2edaa601df13..2ebb6480b6ec 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3304,10 +3304,10 @@ int hci_register_dev(struct hci_dev *hdev)
*/
switch (hdev->dev_type) {
case HCI_PRIMARY:
- id = ida_simple_get(&hci_index_ida, 0, 0, GFP_KERNEL);
+ id = ida_simple_get(&hci_index_ida, 0, HCI_MAX_ID, GFP_KERNEL);
break;
case HCI_AMP:
- id = ida_simple_get(&hci_index_ida, 1, 0, GFP_KERNEL);
+ id = ida_simple_get(&hci_index_ida, 1, HCI_MAX_ID, GFP_KERNEL);
break;
default:
return -EINVAL;
@@ -3316,7 +3316,7 @@ int hci_register_dev(struct hci_dev *hdev)
if (id < 0)
return id;
- sprintf(hdev->name, "hci%d", id);
+ snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
hdev->id = id;
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 4e7551358682..6bb1a02e346b 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -48,6 +48,13 @@ int br_pass_frame_up(struct sk_buff *skb)
u64_stats_update_end(&brstats->syncp);
vg = br_vlan_group_rcu(br);
+
+ /* Reset the offload_fwd_mark because there could be a stacked
+ * bridge above, and it should not think this bridge it doing
+ * that bridge's work forwarding out its ports.
+ */
+ br_switchdev_frame_unmark(skb);
+
/* Bridge is just like any other port. Make sure the
* packet is allowed except in promisc modue when someone
* may be running packet capture.
diff --git a/net/core/filter.c b/net/core/filter.c
index 89936d4db0c7..be929c7f440a 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1668,7 +1668,7 @@ BPF_CALL_5(bpf_skb_store_bytes, struct sk_buff *, skb, u32, offset,
if (unlikely(flags & ~(BPF_F_RECOMPUTE_CSUM | BPF_F_INVALIDATE_HASH)))
return -EINVAL;
- if (unlikely(offset > 0xffff))
+ if (unlikely(offset > INT_MAX))
return -EFAULT;
if (unlikely(bpf_try_make_writable(skb, offset + len)))
return -EFAULT;
@@ -1703,7 +1703,7 @@ BPF_CALL_4(bpf_skb_load_bytes, const struct sk_buff *, skb, u32, offset,
{
void *ptr;
- if (unlikely(offset > 0xffff))
+ if (unlikely(offset > INT_MAX))
goto err_clear;
ptr = skb_header_pointer(skb, offset, len, to);
diff --git a/net/core/lwt_bpf.c b/net/core/lwt_bpf.c
index a5502c5aa44e..bf270b6a99b4 100644
--- a/net/core/lwt_bpf.c
+++ b/net/core/lwt_bpf.c
@@ -158,10 +158,8 @@ static int bpf_output(struct net *net, struct sock *sk, struct sk_buff *skb)
return dst->lwtstate->orig_output(net, sk, skb);
}
-static int xmit_check_hhlen(struct sk_buff *skb)
+static int xmit_check_hhlen(struct sk_buff *skb, int hh_len)
{
- int hh_len = skb_dst(skb)->dev->hard_header_len;
-
if (skb_headroom(skb) < hh_len) {
int nhead = HH_DATA_ALIGN(hh_len - skb_headroom(skb));
@@ -273,6 +271,7 @@ static int bpf_xmit(struct sk_buff *skb)
bpf = bpf_lwt_lwtunnel(dst->lwtstate);
if (bpf->xmit.prog) {
+ int hh_len = dst->dev->hard_header_len;
__be16 proto = skb->protocol;
int ret;
@@ -290,7 +289,7 @@ static int bpf_xmit(struct sk_buff *skb)
/* If the header was expanded, headroom might be too
* small for L2 header to come, expand as needed.
*/
- ret = xmit_check_hhlen(skb);
+ ret = xmit_check_hhlen(skb, hh_len);
if (unlikely(ret))
return ret;
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 7b6b1d2c3d10..a1867c65ac63 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -23,6 +23,8 @@
static siphash_key_t net_secret __read_mostly;
static siphash_key_t ts_secret __read_mostly;
+#define EPHEMERAL_PORT_SHUFFLE_PERIOD (10 * HZ)
+
static __always_inline void net_secret_init(void)
{
net_get_random_once(&net_secret, sizeof(net_secret));
@@ -95,17 +97,19 @@ u32 secure_tcpv6_seq(const __be32 *saddr, const __be32 *daddr,
}
EXPORT_SYMBOL(secure_tcpv6_seq);
-u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
+u64 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
__be16 dport)
{
const struct {
struct in6_addr saddr;
struct in6_addr daddr;
+ unsigned int timeseed;
__be16 dport;
} __aligned(SIPHASH_ALIGNMENT) combined = {
.saddr = *(struct in6_addr *)saddr,
.daddr = *(struct in6_addr *)daddr,
- .dport = dport
+ .timeseed = jiffies / EPHEMERAL_PORT_SHUFFLE_PERIOD,
+ .dport = dport,
};
net_secret_init();
return siphash(&combined, offsetofend(typeof(combined), dport),
@@ -143,11 +147,13 @@ u32 secure_tcp_seq(__be32 saddr, __be32 daddr,
}
EXPORT_SYMBOL_GPL(secure_tcp_seq);
-u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
+u64 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
{
net_secret_init();
- return siphash_3u32((__force u32)saddr, (__force u32)daddr,
- (__force u16)dport, &net_secret);
+ return siphash_4u32((__force u32)saddr, (__force u32)daddr,
+ (__force u16)dport,
+ jiffies / EPHEMERAL_PORT_SHUFFLE_PERIOD,
+ &net_secret);
}
EXPORT_SYMBOL_GPL(secure_ipv4_port_ephemeral);
#endif
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 607983275ead..65c782f47fd7 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2396,9 +2396,10 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
newpsl->sl_addr[i] = psl->sl_addr[i];
/* decrease mem now to avoid the memleak warning */
atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
- kfree_rcu(psl, rcu);
}
rcu_assign_pointer(pmc->sflist, newpsl);
+ if (psl)
+ kfree_rcu(psl, rcu);
psl = newpsl;
}
rv = 1; /* > 0 for insert logic below if sl_count is 0 */
@@ -2496,11 +2497,13 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
psl->sl_count, psl->sl_addr, 0);
/* decrease mem now to avoid the memleak warning */
atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
- kfree_rcu(psl, rcu);
- } else
+ } else {
(void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
0, NULL, 0);
+ }
rcu_assign_pointer(pmc->sflist, newpsl);
+ if (psl)
+ kfree_rcu(psl, rcu);
pmc->sfmode = msf->imsf_fmode;
err = 0;
done:
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index cbbeb0eea0c3..959f4f0c8546 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -464,7 +464,7 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
return -EADDRNOTAVAIL;
}
-static u32 inet_sk_port_offset(const struct sock *sk)
+static u64 inet_sk_port_offset(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
@@ -671,8 +671,19 @@ void inet_unhash(struct sock *sk)
}
EXPORT_SYMBOL_GPL(inet_unhash);
+/* RFC 6056 3.3.4. Algorithm 4: Double-Hash Port Selection Algorithm
+ * Note that we use 32bit integers (vs RFC 'short integers')
+ * because 2^16 is not a multiple of num_ephemeral and this
+ * property might be used by clever attacker.
+ * RFC claims using TABLE_LENGTH=10 buckets gives an improvement,
+ * we use 256 instead to really give more isolation and
+ * privacy, this only consumes 1 KB of kernel memory.
+ */
+#define INET_TABLE_PERTURB_SHIFT 8
+static u32 table_perturb[1 << INET_TABLE_PERTURB_SHIFT];
+
int __inet_hash_connect(struct inet_timewait_death_row *death_row,
- struct sock *sk, u32 port_offset,
+ struct sock *sk, u64 port_offset,
int (*check_established)(struct inet_timewait_death_row *,
struct sock *, __u16, struct inet_timewait_sock **))
{
@@ -684,8 +695,8 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
struct inet_bind_bucket *tb;
u32 remaining, offset;
int ret, i, low, high;
- static u32 hint;
int l3mdev;
+ u32 index;
if (port) {
head = &hinfo->bhash[inet_bhashfn(net, port,
@@ -712,7 +723,12 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
if (likely(remaining > 1))
remaining &= ~1U;
- offset = (hint + port_offset) % remaining;
+ net_get_random_once(table_perturb, sizeof(table_perturb));
+ index = hash_32(port_offset, INET_TABLE_PERTURB_SHIFT);
+
+ offset = READ_ONCE(table_perturb[index]) + port_offset;
+ offset %= remaining;
+
/* In first pass we try ports of @low parity.
* inet_csk_get_port() does the opposite choice.
*/
@@ -766,7 +782,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
return -EADDRNOTAVAIL;
ok:
- hint += i + 2;
+ WRITE_ONCE(table_perturb[index], READ_ONCE(table_perturb[index]) + i + 2);
/* Head lock still held and bh's disabled */
inet_bind_hash(sk, tb, port);
@@ -789,7 +805,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
int inet_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk)
{
- u32 port_offset = 0;
+ u64 port_offset = 0;
if (!inet_sk(sk)->inet_num)
port_offset = inet_sk_port_offset(sk);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index f67f1d27f565..5b38d03f6d79 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -432,14 +432,12 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,
__be16 proto)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
-
- if (tunnel->parms.o_flags & TUNNEL_SEQ)
- tunnel->o_seqno++;
+ __be16 flags = tunnel->parms.o_flags;
/* Push GRE header. */
gre_build_header(skb, tunnel->tun_hlen,
- tunnel->parms.o_flags, proto, tunnel->parms.o_key,
- htonl(tunnel->o_seqno));
+ flags, proto, tunnel->parms.o_key,
+ (flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++) : 0);
ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol);
}
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 33e6392e8b82..3ff65c9ab8ee 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -304,6 +304,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
struct net *net = sock_net(sk);
if (sk->sk_family == AF_INET) {
struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
+ u32 tb_id = RT_TABLE_LOCAL;
int chk_addr_ret;
if (addr_len < sizeof(*addr))
@@ -317,7 +318,8 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n",
sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port));
- chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr);
+ tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id;
+ chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id);
if (addr->sin_addr.s_addr == htonl(INADDR_ANY))
chk_addr_ret = RTN_LOCAL;
@@ -358,6 +360,14 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
return -ENODEV;
}
}
+
+ if (!dev && sk->sk_bound_dev_if) {
+ dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
+ if (!dev) {
+ rcu_read_unlock();
+ return -ENODEV;
+ }
+ }
has_addr = pingv6_ops.ipv6_chk_addr(net, &addr->sin6_addr, dev,
scoped);
rcu_read_unlock();
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d1feec97fa06..9280e5087159 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1775,6 +1775,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
#endif
RT_CACHE_STAT_INC(in_slow_mc);
+ skb_dst_drop(skb);
skb_dst_set(skb, &rth->dst);
return 0;
}
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 2b45d1455592..6811174ad518 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -332,6 +332,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
ireq = inet_rsk(req);
treq = tcp_rsk(req);
+ treq->af_specific = &tcp_request_sock_ipv4_ops;
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
treq->ts_off = 0;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5967e1fdc73f..b263667cdcf2 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3718,7 +3718,8 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
tcp_process_tlp_ack(sk, ack, flag);
if (tcp_ack_is_dubious(sk, flag)) {
- if (!(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP))) {
+ if (!(flag & (FLAG_SND_UNA_ADVANCED |
+ FLAG_NOT_DUP | FLAG_DSACKING_ACK))) {
num_dupack = 1;
/* Consider if pure acks were aggregated in tcp_add_backlog() */
if (!(flag & FLAG_DATA))
@@ -5232,7 +5233,17 @@ static void tcp_new_space(struct sock *sk)
sk->sk_write_space(sk);
}
-static void tcp_check_space(struct sock *sk)
+/* Caller made space either from:
+ * 1) Freeing skbs in rtx queues (after tp->snd_una has advanced)
+ * 2) Sent skbs from output queue (and thus advancing tp->snd_nxt)
+ *
+ * We might be able to generate EPOLLOUT to the application if:
+ * 1) Space consumed in output/rtx queues is below sk->sk_sndbuf/2
+ * 2) notsent amount (tp->write_seq - tp->snd_nxt) became
+ * small enough that tcp_stream_memory_free() decides it
+ * is time to generate EPOLLOUT.
+ */
+void tcp_check_space(struct sock *sk)
{
if (sock_flag(sk, SOCK_QUEUE_SHRUNK)) {
sock_reset_flag(sk, SOCK_QUEUE_SHRUNK);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5577afadf8dc..6011905b12d7 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1383,7 +1383,7 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = {
.syn_ack_timeout = tcp_syn_ack_timeout,
};
-static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
+const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
.mss_clamp = TCP_MSS_DEFAULT,
#ifdef CONFIG_TCP_MD5SIG
.req_md5_lookup = tcp_v4_md5_lookup,
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 194743bd3fc1..9b038cb0a43d 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -538,7 +538,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk,
newtp->tsoffset = treq->ts_off;
#ifdef CONFIG_TCP_MD5SIG
newtp->md5sig_info = NULL; /*XXX*/
- if (newtp->af_specific->md5_lookup(sk, newsk))
+ if (treq->af_specific->req_md5_lookup(sk, req_to_sk(req)))
newtp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED;
#endif
if (skb->len >= TCP_MSS_DEFAULT + newtp->tcp_header_len)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 082b4ed9103b..f9b986323a35 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -81,6 +81,7 @@ static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPORIGDATASENT,
tcp_skb_pcount(skb));
+ tcp_check_space(sk);
}
/* SND.NXT, if window was not shrunk or the amount of shrunk was less than one
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 737ad3ff8b09..c360b1771b80 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3737,6 +3737,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
struct inet6_dev *idev;
struct inet6_ifaddr *ifa, *tmp;
bool keep_addr = false;
+ bool was_ready;
int state, i;
ASSERT_RTNL();
@@ -3802,7 +3803,10 @@ static int addrconf_ifdown(struct net_device *dev, int how)
addrconf_del_rs_timer(idev);
- /* Step 2: clear flags for stateless addrconf */
+ /* Step 2: clear flags for stateless addrconf, repeated down
+ * detection
+ */
+ was_ready = idev->if_flags & IF_READY;
if (!how)
idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY);
@@ -3876,7 +3880,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
if (how) {
ipv6_ac_destroy_dev(idev);
ipv6_mc_destroy_dev(idev);
- } else {
+ } else if (was_ready) {
ipv6_mc_down(idev);
}
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index ab12e00f6bff..528c78bc920e 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -262,7 +262,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
return -EADDRNOTAVAIL;
}
-static u32 inet6_sk_port_offset(const struct sock *sk)
+static u64 inet6_sk_port_offset(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
@@ -274,7 +274,7 @@ static u32 inet6_sk_port_offset(const struct sock *sk)
int inet6_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk)
{
- u32 port_offset = 0;
+ u64 port_offset = 0;
if (!inet_sk(sk)->inet_num)
port_offset = inet6_sk_port_offset(sk);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 5dbc280d4385..e550db28aabb 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -730,6 +730,7 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
struct ip_tunnel_info *tun_info;
const struct ip_tunnel_key *key;
__be16 flags;
+ int tun_hlen;
tun_info = skb_tunnel_info(skb);
if (unlikely(!tun_info ||
@@ -748,9 +749,9 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
dsfield = key->tos;
flags = key->tun_flags &
(TUNNEL_CSUM | TUNNEL_KEY | TUNNEL_SEQ);
- tunnel->tun_hlen = gre_calc_hlen(flags);
+ tun_hlen = gre_calc_hlen(flags);
- gre_build_header(skb, tunnel->tun_hlen,
+ gre_build_header(skb, tun_hlen,
flags, protocol,
tunnel_id_to_key32(tun_info->key.tun_id),
(flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++)
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index ec155844012b..37ab254f7b92 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -176,6 +176,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
ireq = inet_rsk(req);
treq = tcp_rsk(req);
+ treq->af_specific = &tcp_request_sock_ipv6_ops;
treq->tfo_listener = false;
if (security_inet_conn_request(sk, skb, req))
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 086a1adbb4ee..98a40de5e3e2 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -800,7 +800,7 @@ struct request_sock_ops tcp6_request_sock_ops __read_mostly = {
.syn_ack_timeout = tcp_syn_ack_timeout,
};
-static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
+const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) -
sizeof(struct ipv6hdr),
#ifdef CONFIG_TCP_MD5SIG
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 2ac9560020f9..32fe99cd01fc 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2830,6 +2830,10 @@ static int pfkey_process(struct sock *sk, struct sk_buff *skb, const struct sadb
void *ext_hdrs[SADB_EXT_MAX];
int err;
+ /* Non-zero return value of pfkey_broadcast() does not always signal
+ * an error and even on an actual error we may still want to process
+ * the message so rather ignore the return value.
+ */
pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
BROADCAST_PROMISC_ONLY, NULL, sock_net(sk));
@@ -2902,7 +2906,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t)
break;
if (!aalg->pfkey_supported)
continue;
- if (aalg_tmpl_set(t, aalg))
+ if (aalg_tmpl_set(t, aalg) && aalg->available)
sz += sizeof(struct sadb_comb);
}
return sz + sizeof(struct sadb_prop);
@@ -2920,7 +2924,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!ealg->pfkey_supported)
continue;
- if (!(ealg_tmpl_set(t, ealg)))
+ if (!(ealg_tmpl_set(t, ealg) && ealg->available))
continue;
for (k = 1; ; k++) {
@@ -2931,7 +2935,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!aalg->pfkey_supported)
continue;
- if (aalg_tmpl_set(t, aalg))
+ if (aalg_tmpl_set(t, aalg) && aalg->available)
sz += sizeof(struct sadb_comb);
}
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d222af5b573b..afb737c38197 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3409,6 +3409,12 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
cbss->transmitted_bss->bssid);
bss_conf->bssid_indicator = cbss->max_bssid_indicator;
bss_conf->bssid_index = cbss->bssid_index;
+ } else {
+ bss_conf->nontransmitted = false;
+ memset(bss_conf->transmitter_bssid, 0,
+ sizeof(bss_conf->transmitter_bssid));
+ bss_conf->bssid_indicator = 0;
+ bss_conf->bssid_index = 0;
}
/*
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f0027c56d18c..06e852ddec48 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1400,8 +1400,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
goto dont_reorder;
/* not part of a BA session */
- if (ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK &&
- ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL)
+ if (ack_policy == IEEE80211_QOS_CTL_ACK_POLICY_NOACK)
goto dont_reorder;
/* new, potentially un-ordered, ampdu frame - process it */
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index d1524ca4b90e..a189079a6ea5 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1421,7 +1421,7 @@ int __init ip_vs_conn_init(void)
pr_info("Connection hash table configured "
"(size=%d, memory=%ldKbytes)\n",
ip_vs_conn_tab_size,
- (long)(ip_vs_conn_tab_size*sizeof(struct list_head))/1024);
+ (long)(ip_vs_conn_tab_size*sizeof(*ip_vs_conn_tab))/1024);
IP_VS_DBG(0, "Each connection entry needs %zd bytes at least\n",
sizeof(struct ip_vs_conn));
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index 637ce3e8c575..4026ec38526f 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -14,6 +14,32 @@ struct nft_socket {
};
};
+static struct sock *nft_socket_do_lookup(const struct nft_pktinfo *pkt)
+{
+ const struct net_device *indev = nft_in(pkt);
+ const struct sk_buff *skb = pkt->skb;
+ struct sock *sk = NULL;
+
+ if (!indev)
+ return NULL;
+
+ switch (nft_pf(pkt)) {
+ case NFPROTO_IPV4:
+ sk = nf_sk_lookup_slow_v4(nft_net(pkt), skb, indev);
+ break;
+#if IS_ENABLED(CONFIG_NF_TABLES_IPV6)
+ case NFPROTO_IPV6:
+ sk = nf_sk_lookup_slow_v6(nft_net(pkt), skb, indev);
+ break;
+#endif
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ return sk;
+}
+
static void nft_socket_eval(const struct nft_expr *expr,
struct nft_regs *regs,
const struct nft_pktinfo *pkt)
@@ -27,20 +53,7 @@ static void nft_socket_eval(const struct nft_expr *expr,
sk = NULL;
if (!sk)
- switch(nft_pf(pkt)) {
- case NFPROTO_IPV4:
- sk = nf_sk_lookup_slow_v4(nft_net(pkt), skb, nft_in(pkt));
- break;
-#if IS_ENABLED(CONFIG_NF_TABLES_IPV6)
- case NFPROTO_IPV6:
- sk = nf_sk_lookup_slow_v6(nft_net(pkt), skb, nft_in(pkt));
- break;
-#endif
- default:
- WARN_ON_ONCE(1);
- regs->verdict.code = NFT_BREAK;
- return;
- }
+ sk = nft_socket_do_lookup(pkt);
if (!sk) {
regs->verdict.code = NFT_BREAK;
@@ -123,6 +136,16 @@ static int nft_socket_dump(struct sk_buff *skb,
return 0;
}
+static int nft_socket_validate(const struct nft_ctx *ctx,
+ const struct nft_expr *expr,
+ const struct nft_data **data)
+{
+ return nft_chain_validate_hooks(ctx->chain,
+ (1 << NF_INET_PRE_ROUTING) |
+ (1 << NF_INET_LOCAL_IN) |
+ (1 << NF_INET_LOCAL_OUT));
+}
+
static struct nft_expr_type nft_socket_type;
static const struct nft_expr_ops nft_socket_ops = {
.type = &nft_socket_type,
@@ -130,6 +153,7 @@ static const struct nft_expr_ops nft_socket_ops = {
.eval = nft_socket_eval,
.init = nft_socket_init,
.dump = nft_socket_dump,
+ .validate = nft_socket_validate,
};
static struct nft_expr_type nft_socket_type __read_mostly = {
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 8aefc52542a0..86b70385dce3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1987,7 +1987,6 @@ static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
copied = len;
}
- skb_reset_transport_header(data_skb);
err = skb_copy_datagram_msg(data_skb, 0, msg, copied);
if (msg->msg_name) {
diff --git a/net/nfc/core.c b/net/nfc/core.c
index e752692d3680..63701a980ee1 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -38,7 +38,7 @@ int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -94,7 +94,7 @@ int nfc_dev_up(struct nfc_dev *dev)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -142,7 +142,7 @@ int nfc_dev_down(struct nfc_dev *dev)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -206,7 +206,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -245,7 +245,7 @@ int nfc_stop_poll(struct nfc_dev *dev)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -290,7 +290,7 @@ int nfc_dep_link_up(struct nfc_dev *dev, int target_index, u8 comm_mode)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -334,7 +334,7 @@ int nfc_dep_link_down(struct nfc_dev *dev)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -400,7 +400,7 @@ int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -446,7 +446,7 @@ int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -493,7 +493,7 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
kfree_skb(skb);
goto error;
@@ -550,7 +550,7 @@ int nfc_enable_se(struct nfc_dev *dev, u32 se_idx)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -599,7 +599,7 @@ int nfc_disable_se(struct nfc_dev *dev, u32 se_idx)
device_lock(&dev->dev);
- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -1127,6 +1127,7 @@ int nfc_register_device(struct nfc_dev *dev)
dev->rfkill = NULL;
}
}
+ dev->shutting_down = false;
device_unlock(&dev->dev);
rc = nfc_genl_device_added(dev);
@@ -1159,12 +1160,10 @@ void nfc_unregister_device(struct nfc_dev *dev)
rfkill_unregister(dev->rfkill);
rfkill_destroy(dev->rfkill);
}
+ dev->shutting_down = true;
device_unlock(&dev->dev);
if (dev->ops->check_presence) {
- device_lock(&dev->dev);
- dev->shutting_down = true;
- device_unlock(&dev->dev);
del_timer_sync(&dev->check_pres_timer);
cancel_work_sync(&dev->check_pres_work);
}
diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c
index ce3382be937f..b002e18f38c8 100644
--- a/net/nfc/nci/data.c
+++ b/net/nfc/nci/data.c
@@ -118,7 +118,7 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev,
skb_frag = nci_skb_alloc(ndev,
(NCI_DATA_HDR_SIZE + frag_len),
- GFP_KERNEL);
+ GFP_ATOMIC);
if (skb_frag == NULL) {
rc = -ENOMEM;
goto free_exit;
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index 04e55ccb3383..4fe336ff2bfa 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -153,7 +153,7 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
i = 0;
skb = nci_skb_alloc(ndev, conn_info->max_pkt_payload_len +
- NCI_DATA_HDR_SIZE, GFP_KERNEL);
+ NCI_DATA_HDR_SIZE, GFP_ATOMIC);
if (!skb)
return -ENOMEM;
@@ -186,7 +186,7 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
if (i < data_len) {
skb = nci_skb_alloc(ndev,
conn_info->max_pkt_payload_len +
- NCI_DATA_HDR_SIZE, GFP_KERNEL);
+ NCI_DATA_HDR_SIZE, GFP_ATOMIC);
if (!skb)
return -ENOMEM;
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 4d90cbdc083b..9e94f732e717 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1252,7 +1252,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
if (!msg)
return -ENOMEM;
@@ -1268,7 +1268,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
genlmsg_end(msg, hdr);
- genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_KERNEL);
+ genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC);
return 0;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index ff4f2437b592..f095a0fb75c6 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -148,7 +148,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
struct nlattr *pattr;
struct tcf_pedit *p;
int ret = 0, err;
- int ksize;
+ int i, ksize;
u32 index;
if (!nla) {
@@ -227,6 +227,22 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
p->tcfp_nkeys = parm->nkeys;
}
memcpy(p->tcfp_keys, parm->keys, ksize);
+ p->tcfp_off_max_hint = 0;
+ for (i = 0; i < p->tcfp_nkeys; ++i) {
+ u32 cur = p->tcfp_keys[i].off;
+
+ /* sanitize the shift value for any later use */
+ p->tcfp_keys[i].shift = min_t(size_t, BITS_PER_TYPE(int) - 1,
+ p->tcfp_keys[i].shift);
+
+ /* The AT option can read a single byte, we can bound the actual
+ * value with uchar max.
+ */
+ cur += (0xff & p->tcfp_keys[i].offmask) >> p->tcfp_keys[i].shift;
+
+ /* Each key touches 4 bytes starting from the computed offset */
+ p->tcfp_off_max_hint = max(p->tcfp_off_max_hint, cur + 4);
+ }
p->tcfp_flags = parm->flags;
goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
@@ -307,13 +323,18 @@ static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_pedit *p = to_pedit(a);
+ u32 max_offset;
int i;
- if (skb_unclone(skb, GFP_ATOMIC))
- return p->tcf_action;
-
spin_lock(&p->tcf_lock);
+ max_offset = (skb_transport_header_was_set(skb) ?
+ skb_transport_offset(skb) :
+ skb_network_offset(skb)) +
+ p->tcfp_off_max_hint;
+ if (skb_ensure_writable(skb, min(skb->len, max_offset)))
+ goto unlock;
+
tcf_lastuse_update(&p->tcf_tm);
if (p->tcfp_nkeys > 0) {
@@ -402,6 +423,7 @@ static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a,
p->tcf_qstats.overlimits++;
done:
bstats_update(&p->tcf_bstats, skb);
+unlock:
spin_unlock(&p->tcf_lock);
return p->tcf_action;
}
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 0d225f891b61..8d32229199b9 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -458,6 +458,10 @@ void sctp_generate_reconf_event(struct timer_list *t)
goto out_unlock;
}
+ /* This happens when the response arrives after the timer is triggered. */
+ if (!asoc->strreset_chunk)
+ goto out_unlock;
+
error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_RECONF),
asoc->state, asoc->ep, asoc,
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 5221092cc66d..a5a8cca46bd5 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -816,6 +816,8 @@ static void smc_connect_work(struct work_struct *work)
smc->sk.sk_state = SMC_CLOSED;
if (rc == -EPIPE || rc == -EAGAIN)
smc->sk.sk_err = EPIPE;
+ else if (rc == -ECONNREFUSED)
+ smc->sk.sk_err = ECONNREFUSED;
else if (signal_pending(current))
smc->sk.sk_err = -sock_intr_errno(timeo);
sock_put(&smc->sk); /* passive closing */
diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c
index 97e8369002d7..9e89bd1f706b 100644
--- a/net/smc/smc_rx.c
+++ b/net/smc/smc_rx.c
@@ -348,12 +348,12 @@ int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg,
}
break;
}
+ if (!timeo)
+ return -EAGAIN;
if (signal_pending(current)) {
read_done = sock_intr_errno(timeo);
break;
}
- if (!timeo)
- return -EAGAIN;
}
if (!smc_rx_data_available(conn)) {
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 8ac579778e48..94ae95c57f78 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -716,6 +716,21 @@ void xprt_disconnect_done(struct rpc_xprt *xprt)
}
EXPORT_SYMBOL_GPL(xprt_disconnect_done);
+/**
+ * xprt_schedule_autoclose_locked - Try to schedule an autoclose RPC call
+ * @xprt: transport to disconnect
+ */
+static void xprt_schedule_autoclose_locked(struct rpc_xprt *xprt)
+{
+ if (test_and_set_bit(XPRT_CLOSE_WAIT, &xprt->state))
+ return;
+ if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
+ queue_work(xprtiod_workqueue, &xprt->task_cleanup);
+ else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
+ rpc_wake_up_queued_task_set_status(&xprt->pending,
+ xprt->snd_task, -ENOTCONN);
+}
+
/**
* xprt_force_disconnect - force a transport to disconnect
* @xprt: transport to disconnect
@@ -725,13 +740,7 @@ void xprt_force_disconnect(struct rpc_xprt *xprt)
{
/* Don't race with the test_bit() in xprt_clear_locked() */
spin_lock(&xprt->transport_lock);
- set_bit(XPRT_CLOSE_WAIT, &xprt->state);
- /* Try to schedule an autoclose RPC call */
- if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
- queue_work(xprtiod_workqueue, &xprt->task_cleanup);
- else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
- rpc_wake_up_queued_task_set_status(&xprt->pending,
- xprt->snd_task, -ENOTCONN);
+ xprt_schedule_autoclose_locked(xprt);
spin_unlock(&xprt->transport_lock);
}
EXPORT_SYMBOL_GPL(xprt_force_disconnect);
@@ -771,11 +780,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie)
goto out;
if (test_bit(XPRT_CLOSING, &xprt->state))
goto out;
- set_bit(XPRT_CLOSE_WAIT, &xprt->state);
- /* Try to schedule an autoclose RPC call */
- if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
- queue_work(xprtiod_workqueue, &xprt->task_cleanup);
- xprt_wake_pending_tasks(xprt, -EAGAIN);
+ xprt_schedule_autoclose_locked(xprt);
out:
spin_unlock(&xprt->transport_lock);
}
@@ -863,10 +868,7 @@ void xprt_connect(struct rpc_task *task)
if (!xprt_lock_write(xprt, task))
return;
- if (test_and_clear_bit(XPRT_CLOSE_WAIT, &xprt->state))
- xprt->ops->close(xprt);
-
- if (!xprt_connected(xprt)) {
+ if (!xprt_connected(xprt) && !test_bit(XPRT_CLOSE_WAIT, &xprt->state)) {
task->tk_rqstp->rq_connect_cookie = xprt->connect_cookie;
rpc_sleep_on_timeout(&xprt->pending, task, NULL,
xprt_request_timeout(task->tk_rqstp));
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 480e879e74ae..81f0e03b71b6 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -989,7 +989,7 @@ static int xs_local_send_request(struct rpc_rqst *req)
/* Close the stream if the previous transmission was incomplete */
if (xs_send_request_was_aborted(transport, req)) {
- xs_close(xprt);
+ xprt_force_disconnect(xprt);
return -ENOTCONN;
}
@@ -1027,7 +1027,7 @@ static int xs_local_send_request(struct rpc_rqst *req)
-status);
/* fall through */
case -EPIPE:
- xs_close(xprt);
+ xprt_force_disconnect(xprt);
status = -ENOTCONN;
}
@@ -1303,6 +1303,16 @@ static void xs_reset_transport(struct sock_xprt *transport)
if (sk == NULL)
return;
+ /*
+ * Make sure we're calling this in a context from which it is safe
+ * to call __fput_sync(). In practice that means rpciod and the
+ * system workqueue.
+ */
+ if (!(current->flags & PF_WQ_WORKER)) {
+ WARN_ON_ONCE(1);
+ set_bit(XPRT_CLOSE_WAIT, &xprt->state);
+ return;
+ }
if (atomic_read(&transport->xprt.swapper))
sk_clear_memalloc(sk);
@@ -1326,7 +1336,7 @@ static void xs_reset_transport(struct sock_xprt *transport)
mutex_unlock(&transport->recv_mutex);
trace_rpc_socket_close(xprt, sock);
- fput(filp);
+ __fput_sync(filp);
xprt_disconnect_done(xprt);
}
@@ -2384,10 +2394,14 @@ static void xs_tcp_setup_socket(struct work_struct *work)
struct rpc_xprt *xprt = &transport->xprt;
int status = -EIO;
- if (!sock) {
- sock = xs_create_sock(xprt, transport,
- xs_addr(xprt)->sa_family, SOCK_STREAM,
- IPPROTO_TCP, true);
+ if (xprt_connected(xprt))
+ goto out;
+ if (test_and_clear_bit(XPRT_SOCK_CONNECT_SENT,
+ &transport->sock_state) ||
+ !sock) {
+ xs_reset_transport(transport);
+ sock = xs_create_sock(xprt, transport, xs_addr(xprt)->sa_family,
+ SOCK_STREAM, IPPROTO_TCP, true);
if (IS_ERR(sock)) {
status = PTR_ERR(sock);
goto out;
@@ -2418,6 +2432,8 @@ static void xs_tcp_setup_socket(struct work_struct *work)
break;
case 0:
case -EINPROGRESS:
+ set_bit(XPRT_SOCK_CONNECT_SENT, &transport->sock_state);
+ fallthrough;
case -EALREADY:
xprt_unlock_connect(xprt, transport);
return;
@@ -2471,11 +2487,7 @@ static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task)
if (transport->sock != NULL) {
dprintk("RPC: xs_connect delayed xprt %p for %lu "
- "seconds\n",
- xprt, xprt->reestablish_timeout / HZ);
-
- /* Start by resetting any existing state */
- xs_reset_transport(transport);
+ "seconds\n", xprt, xprt->reestablish_timeout / HZ);
delay = xprt_reconnect_delay(xprt);
xprt_reconnect_backoff(xprt, XS_TCP_INIT_REEST_TO);
@@ -2963,9 +2975,6 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
}
xprt_set_bound(xprt);
xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL);
- ret = ERR_PTR(xs_local_setup_socket(transport));
- if (ret)
- goto out_err;
break;
default:
ret = ERR_PTR(-EAFNOSUPPORT);
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 0f034c3bc37d..abb93f7343c5 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -470,11 +470,13 @@ static int tls_push_data(struct sock *sk,
copy = min_t(size_t, size, (pfrag->size - pfrag->offset));
copy = min_t(size_t, copy, (max_open_record_len - record->len));
- rc = tls_device_copy_data(page_address(pfrag->page) +
- pfrag->offset, copy, msg_iter);
- if (rc)
- goto handle_error;
- tls_append_frag(record, pfrag, copy);
+ if (copy) {
+ rc = tls_device_copy_data(page_address(pfrag->page) +
+ pfrag->offset, copy, msg_iter);
+ if (rc)
+ goto handle_error;
+ tls_append_frag(record, pfrag, copy);
+ }
size -= copy;
if (!size) {
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 52261cbb1fa9..3983251f2756 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -5,7 +5,7 @@
* Copyright 2006-2010 Johannes Berg
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -906,9 +906,6 @@ int wiphy_register(struct wiphy *wiphy)
return res;
}
- /* set up regulatory info */
- wiphy_regulatory_register(wiphy);
-
list_add_rcu(&rdev->list, &cfg80211_rdev_list);
cfg80211_rdev_list_generation++;
@@ -919,6 +916,9 @@ int wiphy_register(struct wiphy *wiphy)
cfg80211_debugfs_rdev_add(rdev);
nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
+ /* set up regulatory info */
+ wiphy_regulatory_register(wiphy);
+
if (wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) {
struct regulatory_request request;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 67a2d9b74781..b48cb0d4d83a 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -3793,6 +3793,7 @@ void wiphy_regulatory_register(struct wiphy *wiphy)
wiphy_update_regulatory(wiphy, lr->initiator);
wiphy_all_share_dfs_chan_state(wiphy);
+ reg_process_self_managed_hints();
}
void wiphy_regulatory_deregister(struct wiphy *wiphy)
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index 3f38583bed06..655a6edb5d7f 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -33,10 +33,12 @@ static const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = {
[LOCKDOWN_MMIOTRACE] = "unsafe mmio",
[LOCKDOWN_DEBUGFS] = "debugfs access",
[LOCKDOWN_XMON_WR] = "xmon write access",
+ [LOCKDOWN_DBG_WRITE_KERNEL] = "use of kgdb/kdb to write kernel RAM",
[LOCKDOWN_INTEGRITY_MAX] = "integrity",
[LOCKDOWN_KCORE] = "/proc/kcore access",
[LOCKDOWN_KPROBES] = "use of kprobes",
[LOCKDOWN_BPF_READ] = "use of bpf to read kernel RAM",
+ [LOCKDOWN_DBG_READ_KERNEL] = "use of kgdb/kdb to read kernel RAM",
[LOCKDOWN_PERF] = "unsafe use of perf",
[LOCKDOWN_TRACEFS] = "use of tracefs",
[LOCKDOWN_XMON_RW] = "xmon read and write access",
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 65bfd47f7d4b..0551696bb97c 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -972,6 +972,8 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
init_waitqueue_head(&runtime->tsleep);
runtime->status->state = SNDRV_PCM_STATE_OPEN;
+ mutex_init(&runtime->buffer_mutex);
+ atomic_set(&runtime->buffer_accessing, 0);
substream->runtime = runtime;
substream->private_data = pcm->private_data;
@@ -1009,6 +1011,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
substream->runtime = NULL;
if (substream->timer)
spin_unlock_irq(&substream->timer->lock);
+ mutex_destroy(&runtime->buffer_mutex);
kfree(runtime);
put_pid(substream->pid);
substream->pid = NULL;
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 9e48b436f8bf..a8e25edacd20 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1866,9 +1866,11 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
if (avail >= runtime->twake)
break;
snd_pcm_stream_unlock_irq(substream);
+ mutex_unlock(&runtime->buffer_mutex);
tout = schedule_timeout(wait_time);
+ mutex_lock(&runtime->buffer_mutex);
snd_pcm_stream_lock_irq(substream);
set_current_state(TASK_INTERRUPTIBLE);
switch (runtime->status->state) {
@@ -2164,6 +2166,7 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
nonblock = !!(substream->f_flags & O_NONBLOCK);
+ mutex_lock(&runtime->buffer_mutex);
snd_pcm_stream_lock_irq(substream);
err = pcm_accessible_state(runtime);
if (err < 0)
@@ -2218,10 +2221,15 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
err = -EINVAL;
goto _end_unlock;
}
+ if (!atomic_inc_unless_negative(&runtime->buffer_accessing)) {
+ err = -EBUSY;
+ goto _end_unlock;
+ }
snd_pcm_stream_unlock_irq(substream);
err = writer(substream, appl_ofs, data, offset, frames,
transfer);
snd_pcm_stream_lock_irq(substream);
+ atomic_dec(&runtime->buffer_accessing);
if (err < 0)
goto _end_unlock;
err = pcm_accessible_state(runtime);
@@ -2251,6 +2259,7 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
if (xfer > 0 && err >= 0)
snd_pcm_update_state(substream, runtime);
snd_pcm_stream_unlock_irq(substream);
+ mutex_unlock(&runtime->buffer_mutex);
return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
}
EXPORT_SYMBOL(__snd_pcm_lib_xfer);
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index 7600dcdf5fd4..9aea1d6fb054 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -133,19 +133,20 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
size_t size;
struct snd_dma_buffer new_dmab;
+ mutex_lock(&substream->pcm->open_mutex);
if (substream->runtime) {
buffer->error = -EBUSY;
- return;
+ goto unlock;
}
if (!snd_info_get_line(buffer, line, sizeof(line))) {
snd_info_get_str(str, line, sizeof(str));
size = simple_strtoul(str, NULL, 10) * 1024;
if ((size != 0 && size < 8192) || size > substream->dma_max) {
buffer->error = -EINVAL;
- return;
+ goto unlock;
}
if (substream->dma_buffer.bytes == size)
- return;
+ goto unlock;
memset(&new_dmab, 0, sizeof(new_dmab));
new_dmab.dev = substream->dma_buffer.dev;
if (size > 0) {
@@ -153,7 +154,7 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
substream->dma_buffer.dev.dev,
size, &new_dmab) < 0) {
buffer->error = -ENOMEM;
- return;
+ goto unlock;
}
substream->buffer_bytes_max = size;
} else {
@@ -165,6 +166,8 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
} else {
buffer->error = -EINVAL;
}
+ unlock:
+ mutex_unlock(&substream->pcm->open_mutex);
}
static inline void preallocate_info_init(struct snd_pcm_substream *substream)
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 921921ecc21c..95dac40402eb 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -630,33 +630,60 @@ static int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm,
return 0;
}
+/* acquire buffer_mutex; if it's in r/w operation, return -EBUSY, otherwise
+ * block the further r/w operations
+ */
+static int snd_pcm_buffer_access_lock(struct snd_pcm_runtime *runtime)
+{
+ if (!atomic_dec_unless_positive(&runtime->buffer_accessing))
+ return -EBUSY;
+ mutex_lock(&runtime->buffer_mutex);
+ return 0; /* keep buffer_mutex, unlocked by below */
+}
+
+/* release buffer_mutex and clear r/w access flag */
+static void snd_pcm_buffer_access_unlock(struct snd_pcm_runtime *runtime)
+{
+ mutex_unlock(&runtime->buffer_mutex);
+ atomic_inc(&runtime->buffer_accessing);
+}
+
+#if IS_ENABLED(CONFIG_SND_PCM_OSS)
+#define is_oss_stream(substream) ((substream)->oss.oss)
+#else
+#define is_oss_stream(substream) false
+#endif
+
static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_pcm_runtime *runtime;
- int err, usecs;
+ int err = 0, usecs;
unsigned int bits;
snd_pcm_uframes_t frames;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
+ err = snd_pcm_buffer_access_lock(runtime);
+ if (err < 0)
+ return err;
snd_pcm_stream_lock_irq(substream);
switch (runtime->status->state) {
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_PREPARED:
+ if (!is_oss_stream(substream) &&
+ atomic_read(&substream->mmap_count))
+ err = -EBADFD;
break;
default:
- snd_pcm_stream_unlock_irq(substream);
- return -EBADFD;
+ err = -EBADFD;
+ break;
}
snd_pcm_stream_unlock_irq(substream);
-#if IS_ENABLED(CONFIG_SND_PCM_OSS)
- if (!substream->oss.oss)
-#endif
- if (atomic_read(&substream->mmap_count))
- return -EBADFD;
+ if (err)
+ goto unlock;
params->rmask = ~0U;
err = snd_pcm_hw_refine(substream, params);
@@ -733,14 +760,19 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
if ((usecs = period_to_usecs(runtime)) >= 0)
pm_qos_add_request(&substream->latency_pm_qos_req,
PM_QOS_CPU_DMA_LATENCY, usecs);
- return 0;
+ err = 0;
_error:
- /* hardware might be unusable from this time,
- so we force application to retry to set
- the correct hardware parameter settings */
- snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
- if (substream->ops->hw_free != NULL)
- substream->ops->hw_free(substream);
+ if (err) {
+ /* hardware might be unusable from this time,
+ * so we force application to retry to set
+ * the correct hardware parameter settings
+ */
+ snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
+ if (substream->ops->hw_free != NULL)
+ substream->ops->hw_free(substream);
+ }
+ unlock:
+ snd_pcm_buffer_access_unlock(runtime);
return err;
}
@@ -773,22 +805,29 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
+ result = snd_pcm_buffer_access_lock(runtime);
+ if (result < 0)
+ return result;
snd_pcm_stream_lock_irq(substream);
switch (runtime->status->state) {
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_PREPARED:
+ if (atomic_read(&substream->mmap_count))
+ result = -EBADFD;
break;
default:
- snd_pcm_stream_unlock_irq(substream);
- return -EBADFD;
+ result = -EBADFD;
+ break;
}
snd_pcm_stream_unlock_irq(substream);
- if (atomic_read(&substream->mmap_count))
- return -EBADFD;
+ if (result)
+ goto unlock;
if (substream->ops->hw_free)
result = substream->ops->hw_free(substream);
snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
pm_qos_remove_request(&substream->latency_pm_qos_req);
+ unlock:
+ snd_pcm_buffer_access_unlock(runtime);
return result;
}
@@ -1025,15 +1064,17 @@ struct action_ops {
*/
static int snd_pcm_action_group(const struct action_ops *ops,
struct snd_pcm_substream *substream,
- int state, int do_lock)
+ int state, int stream_lock)
{
struct snd_pcm_substream *s = NULL;
struct snd_pcm_substream *s1;
int res = 0, depth = 1;
snd_pcm_group_for_each_entry(s, substream) {
- if (do_lock && s != substream) {
- if (s->pcm->nonatomic)
+ if (s != substream) {
+ if (!stream_lock)
+ mutex_lock_nested(&s->runtime->buffer_mutex, depth);
+ else if (s->pcm->nonatomic)
mutex_lock_nested(&s->self_group.mutex, depth);
else
spin_lock_nested(&s->self_group.lock, depth);
@@ -1061,18 +1102,18 @@ static int snd_pcm_action_group(const struct action_ops *ops,
ops->post_action(s, state);
}
_unlock:
- if (do_lock) {
- /* unlock streams */
- snd_pcm_group_for_each_entry(s1, substream) {
- if (s1 != substream) {
- if (s1->pcm->nonatomic)
- mutex_unlock(&s1->self_group.mutex);
- else
- spin_unlock(&s1->self_group.lock);
- }
- if (s1 == s) /* end */
- break;
+ /* unlock streams */
+ snd_pcm_group_for_each_entry(s1, substream) {
+ if (s1 != substream) {
+ if (!stream_lock)
+ mutex_unlock(&s1->runtime->buffer_mutex);
+ else if (s1->pcm->nonatomic)
+ mutex_unlock(&s1->self_group.mutex);
+ else
+ spin_unlock(&s1->self_group.lock);
}
+ if (s1 == s) /* end */
+ break;
}
return res;
}
@@ -1202,10 +1243,15 @@ static int snd_pcm_action_nonatomic(const struct action_ops *ops,
/* Guarantee the group members won't change during non-atomic action */
down_read(&snd_pcm_link_rwsem);
+ res = snd_pcm_buffer_access_lock(substream->runtime);
+ if (res < 0)
+ goto unlock;
if (snd_pcm_stream_linked(substream))
res = snd_pcm_action_group(ops, substream, state, 0);
else
res = snd_pcm_action_single(ops, substream, state);
+ snd_pcm_buffer_access_unlock(substream->runtime);
+ unlock:
up_read(&snd_pcm_link_rwsem);
return res;
}
diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c
index e93eb4616c5f..c739173c668f 100644
--- a/sound/firewire/fireworks/fireworks_hwdep.c
+++ b/sound/firewire/fireworks/fireworks_hwdep.c
@@ -34,6 +34,7 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained,
type = SNDRV_FIREWIRE_EVENT_EFW_RESPONSE;
if (copy_to_user(buf, &type, sizeof(type)))
return -EFAULT;
+ count += sizeof(type);
remained -= sizeof(type);
buf += sizeof(type);
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index d6420d224d09..09b368761cc0 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1088,7 +1088,8 @@ wavefront_send_sample (snd_wavefront_t *dev,
if (dataptr < data_end) {
- __get_user (sample_short, dataptr);
+ if (get_user(sample_short, dataptr))
+ return -EFAULT;
dataptr += skip;
if (data_is_unsigned) { /* GUS ? */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 851ea79da31c..78b5a0f22a41 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10233,6 +10233,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD),
SND_PCI_QUIRK(0x14cd, 0x5003, "USI", ALC662_FIXUP_USI_HEADSET_MODE),
SND_PCI_QUIRK(0x17aa, 0x1036, "Lenovo P520", ALC662_FIXUP_LENOVO_MULTI_CODECS),
+ SND_PCI_QUIRK(0x17aa, 0x1057, "Lenovo P360", ALC897_FIXUP_HEADSET_MIC_PIN),
SND_PCI_QUIRK(0x17aa, 0x32ca, "Lenovo ThinkCentre M80", ALC897_FIXUP_HEADSET_MIC_PIN),
SND_PCI_QUIRK(0x17aa, 0x32cb, "Lenovo ThinkCentre M70", ALC897_FIXUP_HEADSET_MIC_PIN),
SND_PCI_QUIRK(0x17aa, 0x32cf, "Lenovo ThinkCentre M950", ALC897_FIXUP_HEADSET_MIC_PIN),
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index f83a6eaba12c..ef8bd9e04637 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -446,7 +446,7 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
struct soc_mixer_control *mixer_ctrl =
(struct soc_mixer_control *) kcontrol->private_value;
unsigned int reg = mixer_ctrl->reg;
- __le16 val;
+ __le16 val_new, val_old;
int ret;
/*
@@ -454,13 +454,19 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
* Therefore we need to convert to little endian here to align with
* HW registers.
*/
- val = cpu_to_le16(ucontrol->value.integer.value[0]);
+ val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
mutex_lock(&da7219->ctrl_lock);
- ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
+ ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
+ if (ret == 0 && (val_old != val_new))
+ ret = regmap_raw_write(da7219->regmap, reg,
+ &val_new, sizeof(val_new));
mutex_unlock(&da7219->ctrl_lock);
- return ret;
+ if (ret < 0)
+ return ret;
+
+ return val_old != val_new;
}
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 6b9d326e11b0..ce9f99dd3e87 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -413,6 +413,9 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
val = (val >> mc->shift) & mask;
+ if (sel < 0 || sel > mc->max)
+ return -EINVAL;
+
*select = sel;
/* Setting a volume is only valid if it is already On */
@@ -427,7 +430,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
mask << mc->shift,
sel << mc->shift);
- return 0;
+ return *select != val;
}
static const char *max98090_perf_pwr_text[] =
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 6fd1bef848ed..fa55d79b39b6 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -601,7 +601,7 @@ static int wm8731_hw_init(struct device *dev, struct wm8731_priv *wm8731)
ret = wm8731_reset(wm8731->regmap);
if (ret < 0) {
dev_err(dev, "Failed to issue reset: %d\n", ret);
- goto err_regulator_enable;
+ goto err;
}
/* Clear POWEROFF, keep everything else disabled */
@@ -618,10 +618,7 @@ static int wm8731_hw_init(struct device *dev, struct wm8731_priv *wm8731)
regcache_mark_dirty(wm8731->regmap);
-err_regulator_enable:
- /* Regulators will be enabled by bias management */
- regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
-
+err:
return ret;
}
@@ -765,21 +762,27 @@ static int wm8731_i2c_probe(struct i2c_client *i2c,
ret = PTR_ERR(wm8731->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
- return ret;
+ goto err_regulator_enable;
}
ret = wm8731_hw_init(&i2c->dev, wm8731);
if (ret != 0)
- return ret;
+ goto err_regulator_enable;
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_wm8731, &wm8731_dai, 1);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
- return ret;
+ goto err_regulator_enable;
}
return 0;
+
+err_regulator_enable:
+ /* Regulators will be enabled by bias management */
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+
+ return ret;
}
static int wm8731_i2c_remove(struct i2c_client *client)
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 04f23477039a..c677c068b05e 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -534,7 +534,7 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
- return 0;
+ return 1;
}
#define WM8958_MBC_SWITCH(xname, xval) {\
@@ -660,7 +660,7 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
- return 0;
+ return 1;
}
@@ -734,7 +734,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
- return 0;
+ return 1;
}
#define WM8958_HPF_SWITCH(xname, xval) {\
@@ -828,7 +828,7 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
- return 0;
+ return 1;
}
#define WM8958_ENH_EQ_SWITCH(xname, xval) {\
diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c
index 9cfbd343a00c..cbe47e0cae42 100644
--- a/sound/soc/meson/g12a-tohdmitx.c
+++ b/sound/soc/meson/g12a-tohdmitx.c
@@ -127,7 +127,7 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol,
snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
- return 0;
+ return 1;
}
static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux =
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index ca4b17bd95d1..5552c66ca642 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -91,10 +91,10 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
memset(&slave_config, 0, sizeof(slave_config));
- if (pcm->config && pcm->config->prepare_slave_config)
- prepare_slave_config = pcm->config->prepare_slave_config;
- else
+ if (!pcm->config)
prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
+ else
+ prepare_slave_config = pcm->config->prepare_slave_config;
if (prepare_slave_config) {
ret = prepare_slave_config(substream, params, &slave_config);
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 4abb2e1fb8ef..676efe398811 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -522,7 +522,15 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val, val_mask;
- int err, ret;
+ int err, ret, tmp;
+
+ tmp = ucontrol->value.integer.value[0];
+ if (tmp < 0)
+ return -EINVAL;
+ if (mc->platform_max && tmp > mc->platform_max)
+ return -EINVAL;
+ if (tmp > mc->max - mc->min + 1)
+ return -EINVAL;
if (invert)
val = (max - ucontrol->value.integer.value[0]) & mask;
@@ -537,6 +545,14 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
ret = err;
if (snd_soc_volsw_is_stereo(mc)) {
+ tmp = ucontrol->value.integer.value[1];
+ if (tmp < 0)
+ return -EINVAL;
+ if (mc->platform_max && tmp > mc->platform_max)
+ return -EINVAL;
+ if (tmp > mc->max - mc->min + 1)
+ return -EINVAL;
+
if (invert)
val = (max - ucontrol->value.integer.value[1]) & mask;
else
diff --git a/tools/arch/x86/include/asm/emulate_prefix.h b/tools/arch/x86/include/asm/emulate_prefix.h
new file mode 100644
index 000000000000..70f5b98a5286
--- /dev/null
+++ b/tools/arch/x86/include/asm/emulate_prefix.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_EMULATE_PREFIX_H
+#define _ASM_X86_EMULATE_PREFIX_H
+
+/*
+ * Virt escape sequences to trigger instruction emulation;
+ * ideally these would decode to 'whole' instruction and not destroy
+ * the instruction stream; sadly this is not true for the 'kvm' one :/
+ */
+
+#define __XEN_EMULATE_PREFIX 0x0f,0x0b,0x78,0x65,0x6e /* ud2 ; .ascii "xen" */
+#define __KVM_EMULATE_PREFIX 0x0f,0x0b,0x6b,0x76,0x6d /* ud2 ; .ascii "kvm" */
+
+#endif
diff --git a/tools/arch/x86/include/asm/insn.h b/tools/arch/x86/include/asm/insn.h
index d7f0ae8f3c44..52c6262e6bfd 100644
--- a/tools/arch/x86/include/asm/insn.h
+++ b/tools/arch/x86/include/asm/insn.h
@@ -45,6 +45,7 @@ struct insn {
struct insn_field immediate2; /* for 64bit imm or seg16 */
};
+ int emulate_prefix_size;
insn_attr_t attr;
unsigned char opnd_bytes;
unsigned char addr_bytes;
@@ -128,6 +129,11 @@ static inline int insn_is_evex(struct insn *insn)
return (insn->vex_prefix.nbytes == 4);
}
+static inline int insn_has_emulate_prefix(struct insn *insn)
+{
+ return !!insn->emulate_prefix_size;
+}
+
/* Ensure this instruction is decoded completely */
static inline int insn_complete(struct insn *insn)
{
diff --git a/tools/arch/x86/lib/insn.c b/tools/arch/x86/lib/insn.c
index 79e048f1d902..0151dfc6da61 100644
--- a/tools/arch/x86/lib/insn.c
+++ b/tools/arch/x86/lib/insn.c
@@ -13,6 +13,8 @@
#include "../include/asm/inat.h"
#include "../include/asm/insn.h"
+#include "../include/asm/emulate_prefix.h"
+
/* Verify next sizeof(t) bytes can be on the same instruction */
#define validate_next(t, insn, n) \
((insn)->next_byte + sizeof(t) + n <= (insn)->end_kaddr)
@@ -58,6 +60,36 @@ void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64)
insn->addr_bytes = 4;
}
+static const insn_byte_t xen_prefix[] = { __XEN_EMULATE_PREFIX };
+static const insn_byte_t kvm_prefix[] = { __KVM_EMULATE_PREFIX };
+
+static int __insn_get_emulate_prefix(struct insn *insn,
+ const insn_byte_t *prefix, size_t len)
+{
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ if (peek_nbyte_next(insn_byte_t, insn, i) != prefix[i])
+ goto err_out;
+ }
+
+ insn->emulate_prefix_size = len;
+ insn->next_byte += len;
+
+ return 1;
+
+err_out:
+ return 0;
+}
+
+static void insn_get_emulate_prefix(struct insn *insn)
+{
+ if (__insn_get_emulate_prefix(insn, xen_prefix, sizeof(xen_prefix)))
+ return;
+
+ __insn_get_emulate_prefix(insn, kvm_prefix, sizeof(kvm_prefix));
+}
+
/**
* insn_get_prefixes - scan x86 instruction prefix bytes
* @insn: &struct insn containing instruction
@@ -76,6 +108,8 @@ void insn_get_prefixes(struct insn *insn)
if (prefixes->got)
return;
+ insn_get_emulate_prefix(insn);
+
nb = 0;
lb = 0;
b = peek_next(insn_byte_t, insn);
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 06aaf04e629c..bae6b261481d 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -144,6 +144,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func,
"usercopy_abort",
"machine_real_restart",
"rewind_stack_do_exit",
+ "cpu_bringup_and_idle",
};
if (!func)
diff --git a/tools/objtool/sync-check.sh b/tools/objtool/sync-check.sh
index c3ae1e8ae119..2a1261bfbb62 100755
--- a/tools/objtool/sync-check.sh
+++ b/tools/objtool/sync-check.sh
@@ -4,6 +4,7 @@
FILES='
arch/x86/include/asm/inat_types.h
arch/x86/include/asm/orc_types.h
+arch/x86/include/asm/emulate_prefix.h
arch/x86/lib/x86-opcode-map.txt
arch/x86/tools/gen-insn-attr-x86.awk
'
@@ -46,4 +47,4 @@ done
check arch/x86/include/asm/inat.h '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
check arch/x86/include/asm/insn.h '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
check arch/x86/lib/inat.c '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
-check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]"'
+check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]" -I "^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]"'
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 5797253b9700..69d62e57a0c3 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1630,7 +1630,7 @@ static int __bench_numa(const char *name)
"GB/sec,", "total-speed", "GB/sec total speed");
if (g->p.show_details >= 2) {
- char tname[14 + 2 * 10 + 1];
+ char tname[14 + 2 * 11 + 1];
struct thread_data *td;
for (p = 0; p < g->p.nr_proc; p++) {
for (t = 0; t < g->p.nr_threads; t++) {
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index cea13cb987d0..499235a41162 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -28,6 +28,7 @@ arch/x86/include/asm/disabled-features.h
arch/x86/include/asm/required-features.h
arch/x86/include/asm/cpufeatures.h
arch/x86/include/asm/inat_types.h
+arch/x86/include/asm/emulate_prefix.h
arch/x86/include/uapi/asm/prctl.h
arch/x86/lib/x86-opcode-map.txt
arch/x86/tools/gen-insn-attr-x86.awk
@@ -116,7 +117,7 @@ check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include " -B
check arch/x86/include/asm/inat.h '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
check arch/x86/include/asm/insn.h '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
check arch/x86/lib/inat.c '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
-check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]"'
+check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]" -I "^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]"'
# diff non-symmetric files
check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh
index 157822331954..d2ac09b35dcf 100755
--- a/tools/testing/selftests/net/fcnal-test.sh
+++ b/tools/testing/selftests/net/fcnal-test.sh
@@ -757,10 +757,16 @@ ipv4_ping()
setup
set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null
ipv4_ping_novrf
+ setup
+ set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null
+ ipv4_ping_novrf
log_subsection "With VRF"
setup "yes"
ipv4_ping_vrf
+ setup "yes"
+ set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null
+ ipv4_ping_vrf
}
################################################################################
@@ -2005,10 +2011,16 @@ ipv6_ping()
log_subsection "No VRF"
setup
ipv6_ping_novrf
+ setup
+ set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null
+ ipv6_ping_novrf
log_subsection "With VRF"
setup "yes"
ipv6_ping_vrf
+ setup "yes"
+ set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null
+ ipv6_ping_vrf
}
################################################################################
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
index a3402cd8d5b6..9ff22f28032d 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
@@ -61,9 +61,12 @@ setup_prepare()
vrf_prepare
mirror_gre_topo_create
+ # Avoid changing br1's PVID while it is operational as a L3 interface.
+ ip link set dev br1 down
ip link set dev $swp3 master br1
bridge vlan add dev br1 vid 555 pvid untagged self
+ ip link set dev br1 up
ip address add dev br1 192.0.2.129/28
ip address add dev br1 2001:db8:2::1/64