This is the 5.10.156 stable release

-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAmOA8VIACgkQONu9yGCS
 aT7Z2g/+O/03N67HvGVJavgGXI0B1DcGQYSdyyLwoHLLu6RnwUjIZVUEL8EJnC1+
 HKG3l/8r2mjkD/5g1SVIDSo/6sGOQUkrWcEqmpBjUt6g6xOB1w/RWagHKYL9d+9I
 IEAGArdElzPFwUagYJsUoXt77ixS9R22DYWq4bqcru19+TQRZ8SP4HOEMQ+kjeFo
 fn0cqFsXxefhUrE4Io3gTQh9mcRI2kVJh9eCQqCrmjmuY25t4an8leEATqCEGpNT
 TNLdCIqpmKXPl5MuoiFQf4/0W0ymmhTU+Xa8XxVD7wW9eD1kX75uIY5MHAz9OoWw
 waLK5qPwQlguWhNF618nSzBaMFB1CBQ3uiSlW0BaLNLa6OIx7E3rV9PXyLJ7z3kh
 K+XgVXgukAtwuQvpbnE57tm78oyyq7Nw6toAAyomYyJKgZfZ6XovK35ilz32Y7Eb
 mxT3yA3D05SLwm92sbkDvrpyzu5ONkyf02ubDw0e2sdBOXyajwuuoxny/nlQZMxO
 bhN1aDIpi4cudPWEjZh2XbDDRtxTD4SOAlqfi39j11QUCwk5S+7994alBrMHPbOn
 RTrVnblyaKcjM5gYNRFmLygqfaHVcAd9xNpLBpuywgF8sSESYeYscdNrd1O/zeux
 VTIZkN/lAPqVE00QlBlYIqOIOHLzDpGN/Ba1y6EehDGWt82G8dE=
 =c7T7
 -----END PGP SIGNATURE-----

Merge 5.10.156 into android12-5.10-lts

Changes in 5.10.156
	ASoC: wm5102: Revert "ASoC: wm5102: Fix PM disable depth imbalance in wm5102_probe"
	ASoC: wm5110: Revert "ASoC: wm5110: Fix PM disable depth imbalance in wm5110_probe"
	ASoC: wm8997: Revert "ASoC: wm8997: Fix PM disable depth imbalance in wm8997_probe"
	ASoC: mt6660: Keep the pm_runtime enables before component stuff in mt6660_i2c_probe
	ASoC: wm8962: Add an event handler for TEMP_HP and TEMP_SPK
	spi: intel: Fix the offset to get the 64K erase opcode
	ASoC: codecs: jz4725b: add missed Line In power control bit
	ASoC: codecs: jz4725b: fix reported volume for Master ctl
	ASoC: codecs: jz4725b: use right control for Capture Volume
	ASoC: codecs: jz4725b: fix capture selector naming
	selftests/futex: fix build for clang
	selftests/intel_pstate: fix build for ARCH=x86_64
	ASoC: rt1308-sdw: add the default value of some registers
	drm/amd/display: Remove wrong pipe control lock
	NFSv4: Retry LOCK on OLD_STATEID during delegation return
	i2c: tegra: Allocate DMA memory for DMA engine
	i2c: i801: add lis3lv02d's I2C address for Vostro 5568
	drm/imx: imx-tve: Fix return type of imx_tve_connector_mode_valid
	btrfs: remove pointless and double ulist frees in error paths of qgroup tests
	Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm
	ASoC: codecs: jz4725b: Fix spelling mistake "Sourc" -> "Source", "Routee" -> "Route"
	ALSA: hda/realtek: fix speakers and micmute on HP 855 G8
	mtd: spi-nor: intel-spi: Disable write protection only if asked
	spi: intel: Use correct mask for flash and protected regions
	mmc: sdhci-esdhc-imx: use the correct host caps for MMC_CAP_8_BIT_DATA
	drm/amd/pm: support power source switch on Sienna Cichlid
	drm/amd/pm: Read BIF STRAP also for BACO check
	drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards
	drm/amdgpu: disable BACO on special BEIGE_GOBY card
	spi: stm32: Print summary 'callbacks suppressed' message
	ASoC: core: Fix use-after-free in snd_soc_exit()
	ASoC: tas2770: Fix set_tdm_slot in case of single slot
	ASoC: tas2764: Fix set_tdm_slot in case of single slot
	serial: 8250: Remove serial_rs485 sanitization from em485
	serial: 8250: omap: Fix missing PM runtime calls for omap8250_set_mctrl()
	serial: 8250_omap: remove wait loop from Errata i202 workaround
	serial: 8250: omap: Fix unpaired pm_runtime_put_sync() in omap8250_remove()
	serial: 8250: omap: Flush PM QOS work on remove
	serial: imx: Add missing .thaw_noirq hook
	tty: n_gsm: fix sleep-in-atomic-context bug in gsm_control_send
	bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()
	ASoC: soc-utils: Remove __exit for snd_soc_util_exit()
	sctp: remove the unnecessary sinfo_stream check in sctp_prsctp_prune_unsent
	sctp: clear out_curr if all frag chunks of current msg are pruned
	block: sed-opal: kmalloc the cmd/resp buffers
	arm64: Fix bit-shifting UB in the MIDR_CPU_MODEL() macro
	siox: fix possible memory leak in siox_device_add()
	parport_pc: Avoid FIFO port location truncation
	pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map
	drm/panel: simple: set bpc field for logic technologies displays
	drm/drv: Fix potential memory leak in drm_dev_init()
	drm: Fix potential null-ptr-deref in drm_vblank_destroy_worker()
	ARM: dts: imx7: Fix NAND controller size-cells
	arm64: dts: imx8mm: Fix NAND controller size-cells
	arm64: dts: imx8mn: Fix NAND controller size-cells
	ata: libata-transport: fix double ata_host_put() in ata_tport_add()
	ata: libata-transport: fix error handling in ata_tport_add()
	ata: libata-transport: fix error handling in ata_tlink_add()
	ata: libata-transport: fix error handling in ata_tdev_add()
	bpf: Initialize same number of free nodes for each pcpu_freelist
	net: bgmac: Drop free_netdev() from bgmac_enet_remove()
	mISDN: fix possible memory leak in mISDN_dsp_element_register()
	net: hinic: Fix error handling in hinic_module_init()
	net: liquidio: release resources when liquidio driver open failed
	mISDN: fix misuse of put_device() in mISDN_register_device()
	net: macvlan: Use built-in RCU list checking
	net: caif: fix double disconnect client in chnl_net_open()
	bnxt_en: Remove debugfs when pci_register_driver failed
	xen/pcpu: fix possible memory leak in register_pcpu()
	net: ionic: Fix error handling in ionic_init_module()
	net: ena: Fix error handling in ena_init()
	drbd: use after free in drbd_create_device()
	platform/x86/intel: pmc: Don't unconditionally attach Intel PMC when virtualized
	cifs: add check for returning value of SMB2_close_init
	net: ag71xx: call phylink_disconnect_phy if ag71xx_hw_enable() fail in ag71xx_open()
	net/x25: Fix skb leak in x25_lapb_receive_frame()
	cifs: Fix wrong return value checking when GETFLAGS
	net: thunderbolt: Fix error handling in tbnet_init()
	cifs: add check for returning value of SMB2_set_info_init
	ftrace: Fix the possible incorrect kernel message
	ftrace: Optimize the allocation for mcount entries
	ftrace: Fix null pointer dereference in ftrace_add_mod()
	ring_buffer: Do not deactivate non-existant pages
	tracing/ring-buffer: Have polling block on watermark
	tracing: Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()
	tracing: Fix wild-memory-access in register_synth_event()
	tracing: kprobe: Fix potential null-ptr-deref on trace_event_file in kprobe_event_gen_test_exit()
	tracing: kprobe: Fix potential null-ptr-deref on trace_array in kprobe_event_gen_test_exit()
	ALSA: usb-audio: Drop snd_BUG_ON() from snd_usbmidi_output_open()
	ALSA: hda/realtek: fix speakers for Samsung Galaxy Book Pro
	ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360
	Revert "usb: dwc3: disable USB core PHY management"
	slimbus: stream: correct presence rate frequencies
	speakup: fix a segfault caused by switching consoles
	USB: bcma: Make GPIO explicitly optional
	USB: serial: option: add Sierra Wireless EM9191
	USB: serial: option: remove old LARA-R6 PID
	USB: serial: option: add u-blox LARA-R6 00B modem
	USB: serial: option: add u-blox LARA-L6 modem
	USB: serial: option: add Fibocom FM160 0x0111 composition
	usb: add NO_LPM quirk for Realforce 87U Keyboard
	usb: chipidea: fix deadlock in ci_otg_del_timer
	usb: typec: mux: Enter safe mode only when pins need to be reconfigured
	iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()
	iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()
	iio: adc: mp2629: fix wrong comparison of channel
	iio: adc: mp2629: fix potential array out of bound access
	iio: pressure: ms5611: changed hardcoded SPI speed to value limited
	dm ioctl: fix misbehavior if list_versions races with module loading
	serial: 8250: Fall back to non-DMA Rx if IIR_RDI occurs
	serial: 8250: Flush DMA Rx on RLSI
	serial: 8250_lpss: Configure DMA also w/o DMA filter
	Input: iforce - invert valid length check when fetching device IDs
	maccess: Fix writing offset in case of fault in strncpy_from_kernel_nofault()
	scsi: zfcp: Fix double free of FSF request when qdio send fails
	iommu/vt-d: Set SRE bit only when hardware has SRS cap
	firmware: coreboot: Register bus in module init
	mmc: core: properly select voltage range without power cycle
	mmc: sdhci-pci-o2micro: fix card detect fail issue caused by CD# debounce timeout
	mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()
	docs: update mediator contact information in CoC doc
	misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()
	perf/x86/intel/pt: Fix sampling using single range output
	nvme: restrict management ioctls to admin
	nvme: ensure subsystem reset is single threaded
	net: fix a concurrency bug in l2tp_tunnel_register()
	ring-buffer: Include dropped pages in counting dirty patches
	usbnet: smsc95xx: Fix deadlock on runtime resume
	stddef: Introduce struct_group() helper macro
	net: use struct_group to copy ip/ipv6 header addresses
	scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()
	scsi: scsi_debug: Fix possible UAF in sdebug_add_host_helper()
	kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case
	Input: i8042 - fix leaking of platform device on module removal
	uapi/linux/stddef.h: Add include guards
	macvlan: enforce a consistent minimal mtu
	tcp: cdg: allow tcp_cdg_release() to be called multiple times
	kcm: avoid potential race in kcm_tx_work
	kcm: close race conditions on sk_receive_queue
	9p: trans_fd/p9_conn_cancel: drop client lock earlier
	gfs2: Check sb_bsize_shift after reading superblock
	gfs2: Switch from strlcpy to strscpy
	9p/trans_fd: always use O_NONBLOCK read/write
	mm: fs: initialize fsdata passed to write_begin/write_end interface
	ntfs: fix use-after-free in ntfs_attr_find()
	ntfs: fix out-of-bounds read in ntfs_attr_find()
	ntfs: check overflow when iterating ATTR_RECORDs
	Revert "net: broadcom: Fix BCMGENET Kconfig"
	Linux 5.10.156

Change-Id: Ic9fe339913a510cc9fb9c4557b3bd6e196db834f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

Documentation/process/code-of-conduct-interpretation.rst

@@ -51,7 +51,7 @@ the Technical Advisory Board (TAB) or other maintainers if you're
 uncertain how to handle situations that come up.  It will not be
 considered a violation report unless you want it to be.  If you are
 uncertain about approaching the TAB or any other maintainers, please
-reach out to our conflict mediator, Joanna Lee <joanna.lee@gesmer.com>.
+reach out to our conflict mediator, Joanna Lee <jlee@linuxfoundation.org>.
 
 In the end, "be kind to each other" is really what the end goal is for
 everybody.  We know everyone is human and we all fail at times, but the

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 155
+SUBLEVEL = 156
 EXTRAVERSION =
 NAME = Dare mighty things
 

arch/arm/boot/dts/imx7s.dtsi

@@ -1221,10 +1221,10 @@ dma_apbh: dma-apbh@33000000 {
 			clocks = <&clks IMX7D_NAND_USDHC_BUS_RAWNAND_CLK>;
 		};
 
-		gpmi: nand-controller@33002000{
+		gpmi: nand-controller@33002000 {
 			compatible = "fsl,imx7d-gpmi-nand";
 			#address-cells = <1>;
-			#size-cells = <1>;
+			#size-cells = <0>;
 			reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
 			reg-names = "gpmi-nand", "bch";
 			interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/freescale/imx8mm.dtsi

@@ -939,10 +939,10 @@ dma_apbh: dma-controller@33000000 {
 			clocks = <&clk IMX8MM_CLK_NAND_USDHC_BUS_RAWNAND_CLK>;
 		};
 
-		gpmi: nand-controller@33002000{
+		gpmi: nand-controller@33002000 {
 			compatible = "fsl,imx8mm-gpmi-nand", "fsl,imx7d-gpmi-nand";
 			#address-cells = <1>;
-			#size-cells = <1>;
+			#size-cells = <0>;
 			reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
 			reg-names = "gpmi-nand", "bch";
 			interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/freescale/imx8mn.dtsi

@@ -809,7 +809,7 @@ dma_apbh: dma-controller@33000000 {
 		gpmi: nand-controller@33002000 {
 			compatible = "fsl,imx8mn-gpmi-nand", "fsl,imx7d-gpmi-nand";
 			#address-cells = <1>;
-			#size-cells = <1>;
+			#size-cells = <0>;
 			reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
 			reg-names = "gpmi-nand", "bch";
 			interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/include/asm/cputype.h

@@ -41,7 +41,7 @@
 	(((midr) & MIDR_IMPLEMENTOR_MASK) >> MIDR_IMPLEMENTOR_SHIFT)
 
 #define MIDR_CPU_MODEL(imp, partnum) \
-	(((imp)			<< MIDR_IMPLEMENTOR_SHIFT) | \
+	((_AT(u32, imp)		<< MIDR_IMPLEMENTOR_SHIFT) | \
 	(0xf			<< MIDR_ARCHITECTURE_SHIFT) | \
 	((partnum)		<< MIDR_PARTNUM_SHIFT))
 

arch/x86/events/intel/pt.c

@@ -1247,6 +1247,15 @@ static int pt_buffer_try_single(struct pt_buffer *buf, int nr_pages)
 	if (1 << order != nr_pages)
 		goto out;
 
+	/*
+	 * Some processors cannot always support single range for more than
+	 * 4KB - refer errata TGL052, ADL037 and RPL017. Future processors might
+	 * also be affected, so for now rather than trying to keep track of
+	 * which ones, just disable it for all.
+	 */
+	if (nr_pages > 1)
+		goto out;
+
 	buf->single = true;
 	buf->nr_pages = nr_pages;
 	ret = 0;

block/sed-opal.c

@@ -88,8 +88,8 @@ struct opal_dev {
 	u64 lowest_lba;
 
 	size_t pos;
-	u8 cmd[IO_BUFFER_LENGTH];
+	u8 *cmd;
-	u8 resp[IO_BUFFER_LENGTH];
+	u8 *resp;
 
 	struct parsed_resp parsed;
 	size_t prev_d_len;
@@ -2134,6 +2134,8 @@ void free_opal_dev(struct opal_dev *dev)
 		return;
 
 	clean_opal_dev(dev);
+	kfree(dev->resp);
+	kfree(dev->cmd);
 	kfree(dev);
 }
 EXPORT_SYMBOL(free_opal_dev);
@@ -2146,17 +2148,39 @@ struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv)
 	if (!dev)
 		return NULL;
 
+	/*
+	 * Presumably DMA-able buffers must be cache-aligned. Kmalloc makes
+	 * sure the allocated buffer is DMA-safe in that regard.
+	 */
+	dev->cmd = kmalloc(IO_BUFFER_LENGTH, GFP_KERNEL);
+	if (!dev->cmd)
+		goto err_free_dev;
+
+	dev->resp = kmalloc(IO_BUFFER_LENGTH, GFP_KERNEL);
+	if (!dev->resp)
+		goto err_free_cmd;
+
 	INIT_LIST_HEAD(&dev->unlk_lst);
 	mutex_init(&dev->dev_lock);
 	dev->data = data;
 	dev->send_recv = send_recv;
 	if (check_opal_support(dev) != 0) {
 		pr_debug("Opal is not supported on this device\n");
-		kfree(dev);
+		goto err_free_resp;
-		return NULL;
 	}
 
 	return dev;
+
+err_free_resp:
+	kfree(dev->resp);
+
+err_free_cmd:
+	kfree(dev->cmd);
+
+err_free_dev:
+	kfree(dev);
+
+	return NULL;
 }
 EXPORT_SYMBOL(init_opal_dev);
 

drivers/accessibility/speakup/main.c

@@ -1780,7 +1780,7 @@ static void speakup_con_update(struct vc_data *vc)
 {
 	unsigned long flags;
 
-	if (!speakup_console[vc->vc_num] || spk_parked)
+	if (!speakup_console[vc->vc_num] || spk_parked || !synth)
 		return;
 	if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
 		/* Speakup output, discard */

drivers/ata/libata-transport.c

@@ -301,7 +301,9 @@ int ata_tport_add(struct device *parent,
 	pm_runtime_enable(dev);
 	pm_runtime_forbid(dev);
 
-	transport_add_device(dev);
+	error = transport_add_device(dev);
+	if (error)
+		goto tport_transport_add_err;
 	transport_configure_device(dev);
 
 	error = ata_tlink_add(&ap->link);
@@ -312,12 +314,12 @@ int ata_tport_add(struct device *parent,
 
  tport_link_err:
 	transport_remove_device(dev);
+ tport_transport_add_err:
 	device_del(dev);
 
  tport_err:
 	transport_destroy_device(dev);
 	put_device(dev);
-	ata_host_put(ap->host);
 	return error;
 }
 
@@ -426,7 +428,9 @@ int ata_tlink_add(struct ata_link *link)
 		goto tlink_err;
 	}
 
-	transport_add_device(dev);
+	error = transport_add_device(dev);
+	if (error)
+		goto tlink_transport_err;
 	transport_configure_device(dev);
 
 	ata_for_each_dev(ata_dev, link, ALL) {
@@ -441,6 +445,7 @@ int ata_tlink_add(struct ata_link *link)
 		ata_tdev_delete(ata_dev);
 	}
 	transport_remove_device(dev);
+  tlink_transport_err:
 	device_del(dev);
   tlink_err:
 	transport_destroy_device(dev);
@@ -678,7 +683,13 @@ static int ata_tdev_add(struct ata_device *ata_dev)
 		return error;
 	}
 
-	transport_add_device(dev);
+	error = transport_add_device(dev);
+	if (error) {
+		device_del(dev);
+		ata_tdev_free(ata_dev);
+		return error;
+	}
+
 	transport_configure_device(dev);
 	return 0;
 }

drivers/block/drbd/drbd_main.c

@@ -2720,7 +2720,7 @@ static int init_submitter(struct drbd_device *device)
 enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsigned int minor)
 {
 	struct drbd_resource *resource = adm_ctx->resource;
-	struct drbd_connection *connection;
+	struct drbd_connection *connection, *n;
 	struct drbd_device *device;
 	struct drbd_peer_device *peer_device, *tmp_peer_device;
 	struct gendisk *disk;
@@ -2839,7 +2839,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
 out_idr_remove_vol:
 	idr_remove(&connection->peer_devices, vnr);
 out_idr_remove_from_resource:
-	for_each_connection(connection, resource) {
+	for_each_connection_safe(connection, n, resource) {
 		peer_device = idr_remove(&connection->peer_devices, vnr);
 		if (peer_device)
 			kref_put(&connection->kref, drbd_destroy_connection);

drivers/firmware/google/coreboot_table.c

@@ -152,12 +152,8 @@ static int coreboot_table_probe(struct platform_device *pdev)
 	if (!ptr)
 		return -ENOMEM;
 
-	ret = bus_register(&coreboot_bus_type);
+	ret = coreboot_table_populate(dev, ptr);
-	if (!ret) {
+
-		ret = coreboot_table_populate(dev, ptr);
-		if (ret)
-			bus_unregister(&coreboot_bus_type);
-	}
 	memunmap(ptr);
 
 	return ret;
@@ -172,7 +168,6 @@ static int __cb_dev_unregister(struct device *dev, void *dummy)
 static int coreboot_table_remove(struct platform_device *pdev)
 {
 	bus_for_each_dev(&coreboot_bus_type, NULL, NULL, __cb_dev_unregister);
-	bus_unregister(&coreboot_bus_type);
 	return 0;
 }
 
@@ -202,6 +197,32 @@ static struct platform_driver coreboot_table_driver = {
 		.of_match_table = of_match_ptr(coreboot_of_match),
 	},
 };
-module_platform_driver(coreboot_table_driver);
+
+static int __init coreboot_table_driver_init(void)
+{
+	int ret;
+
+	ret = bus_register(&coreboot_bus_type);
+	if (ret)
+		return ret;
+
+	ret = platform_driver_register(&coreboot_table_driver);
+	if (ret) {
+		bus_unregister(&coreboot_bus_type);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void __exit coreboot_table_driver_exit(void)
+{
+	platform_driver_unregister(&coreboot_table_driver);
+	bus_unregister(&coreboot_bus_type);
+}
+
+module_init(coreboot_table_driver_init);
+module_exit(coreboot_table_driver_exit);
+
 MODULE_AUTHOR("Google, Inc.");
 MODULE_LICENSE("GPL");

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

@@ -1746,7 +1746,7 @@ void dcn20_post_unlock_program_front_end(
 
 			for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_MS*1000
 					&& hubp->funcs->hubp_is_flip_pending(hubp); j++)
-				mdelay(1);
+				udelay(1);
 		}
 	}
 

drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c

@@ -379,16 +379,31 @@ static int arcturus_set_default_dpm_table(struct smu_context *smu)
 	return 0;
 }
 
-static int arcturus_check_powerplay_table(struct smu_context *smu)
+static void arcturus_check_bxco_support(struct smu_context *smu)
 {
 	struct smu_table_context *table_context = &smu->smu_table;
 	struct smu_11_0_powerplay_table *powerplay_table =
 		table_context->power_play_table;
 	struct smu_baco_context *smu_baco = &smu->smu_baco;
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t val;
 
 	if (powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_BACO ||
-	    powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_MACO)
+	    powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_MACO) {
-		smu_baco->platform_support = true;
+		val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
+		smu_baco->platform_support =
+			(val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true :
+									false;
+	}
+}
+
+static int arcturus_check_powerplay_table(struct smu_context *smu)
+{
+	struct smu_table_context *table_context = &smu->smu_table;
+	struct smu_11_0_powerplay_table *powerplay_table =
+		table_context->power_play_table;
+
+	arcturus_check_bxco_support(smu);
 
 	table_context->thermal_controller_type =
 		powerplay_table->thermal_controller_type;
@@ -2131,13 +2146,11 @@ static void arcturus_get_unique_id(struct smu_context *smu)
 static bool arcturus_is_baco_supported(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
-	uint32_t val;
 
 	if (!smu_v11_0_baco_is_support(smu) || amdgpu_sriov_vf(adev))
 		return false;
 
-	val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
+	return true;
-	return (val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true : false;
 }
 
 static int arcturus_set_df_cstate(struct smu_context *smu,

drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c

@@ -338,19 +338,34 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
 	return 0;
 }
 
-static int navi10_check_powerplay_table(struct smu_context *smu)
+static void navi10_check_bxco_support(struct smu_context *smu)
 {
 	struct smu_table_context *table_context = &smu->smu_table;
 	struct smu_11_0_powerplay_table *powerplay_table =
 		table_context->power_play_table;
 	struct smu_baco_context *smu_baco = &smu->smu_baco;
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t val;
+
+	if (powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_BACO ||
+	    powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_MACO) {
+		val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
+		smu_baco->platform_support =
+			(val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true :
+									false;
+	}
+}
+
+static int navi10_check_powerplay_table(struct smu_context *smu)
+{
+	struct smu_table_context *table_context = &smu->smu_table;
+	struct smu_11_0_powerplay_table *powerplay_table =
+		table_context->power_play_table;
 
 	if (powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_HARDWAREDC)
 		smu->dc_controlled_by_gpio = true;
 
-	if (powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_BACO ||
+	navi10_check_bxco_support(smu);
-	    powerplay_table->platform_caps & SMU_11_0_PP_PLATFORM_CAP_MACO)
-		smu_baco->platform_support = true;
 
 	table_context->thermal_controller_type =
 		powerplay_table->thermal_controller_type;
@@ -1948,13 +1963,11 @@ static int navi10_overdrive_get_gfx_clk_base_voltage(struct smu_context *smu,
 static bool navi10_is_baco_supported(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
-	uint32_t val;
 
 	if (amdgpu_sriov_vf(adev) || (!smu_v11_0_baco_is_support(smu)))
 		return false;
 
-	val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
+	return true;
-	return (val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true : false;
 }
 
 static int navi10_set_default_od_settings(struct smu_context *smu)

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

@@ -294,16 +294,47 @@ sienna_cichlid_get_allowed_feature_mask(struct smu_context *smu,
 	return 0;
 }
 
-static int sienna_cichlid_check_powerplay_table(struct smu_context *smu)
+static void sienna_cichlid_check_bxco_support(struct smu_context *smu)
 {
 	struct smu_table_context *table_context = &smu->smu_table;
 	struct smu_11_0_7_powerplay_table *powerplay_table =
 		table_context->power_play_table;
 	struct smu_baco_context *smu_baco = &smu->smu_baco;
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t val;
 
 	if (powerplay_table->platform_caps & SMU_11_0_7_PP_PLATFORM_CAP_BACO ||
-	    powerplay_table->platform_caps & SMU_11_0_7_PP_PLATFORM_CAP_MACO)
+	    powerplay_table->platform_caps & SMU_11_0_7_PP_PLATFORM_CAP_MACO) {
-		smu_baco->platform_support = true;
+		val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
+		smu_baco->platform_support =
+			(val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true :
+									false;
+
+		/*
+		 * Disable BACO entry/exit completely on below SKUs to
+		 * avoid hardware intermittent failures.
+		 */
+		if (((adev->pdev->device == 0x73A1) &&
+		    (adev->pdev->revision == 0x00)) ||
+		    ((adev->pdev->device == 0x73BF) &&
+		    (adev->pdev->revision == 0xCF)) ||
+		    ((adev->pdev->device == 0x7422) &&
+		    (adev->pdev->revision == 0x00)))
+			smu_baco->platform_support = false;
+
+	}
+}
+
+static int sienna_cichlid_check_powerplay_table(struct smu_context *smu)
+{
+	struct smu_table_context *table_context = &smu->smu_table;
+	struct smu_11_0_7_powerplay_table *powerplay_table =
+		table_context->power_play_table;
+
+	if (powerplay_table->platform_caps & SMU_11_0_7_PP_PLATFORM_CAP_HARDWAREDC)
+		smu->dc_controlled_by_gpio = true;
+
+	sienna_cichlid_check_bxco_support(smu);
 
 	table_context->thermal_controller_type =
 		powerplay_table->thermal_controller_type;
@@ -1736,13 +1767,11 @@ static int sienna_cichlid_run_btc(struct smu_context *smu)
 static bool sienna_cichlid_is_baco_supported(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
-	uint32_t val;
 
 	if (amdgpu_sriov_vf(adev) || (!smu_v11_0_baco_is_support(smu)))
 		return false;
 
-	val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
+	return true;
-	return (val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true : false;
 }
 
 static bool sienna_cichlid_is_mode1_reset_supported(struct smu_context *smu)
@@ -2806,6 +2835,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
 	.get_dpm_ultimate_freq = sienna_cichlid_get_dpm_ultimate_freq,
 	.set_soft_freq_limited_range = smu_v11_0_set_soft_freq_limited_range,
 	.run_btc = sienna_cichlid_run_btc,
+	.set_power_source = smu_v11_0_set_power_source,
 	.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
 	.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,
 	.get_gpu_metrics = sienna_cichlid_get_gpu_metrics,

drivers/gpu/drm/drm_drv.c

@@ -610,7 +610,7 @@ static int drm_dev_init(struct drm_device *dev,
 	mutex_init(&dev->clientlist_mutex);
 	mutex_init(&dev->master_mutex);
 
-	ret = drmm_add_action(dev, drm_dev_init_release, NULL);
+	ret = drmm_add_action_or_reset(dev, drm_dev_init_release, NULL);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/drm_internal.h

@@ -116,7 +116,8 @@ static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
 
 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
 {
-	kthread_destroy_worker(vblank->worker);
+	if (vblank->worker)
+		kthread_destroy_worker(vblank->worker);
 }
 
 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);

drivers/gpu/drm/imx/imx-tve.c

@@ -212,8 +212,9 @@ static int imx_tve_connector_get_modes(struct drm_connector *connector)
 	return ret;
 }
 
-static int imx_tve_connector_mode_valid(struct drm_connector *connector,
+static enum drm_mode_status
-					struct drm_display_mode *mode)
+imx_tve_connector_mode_valid(struct drm_connector *connector,
+			     struct drm_display_mode *mode)
 {
 	struct imx_tve *tve = con_to_tve(connector);
 	unsigned long rate;

drivers/gpu/drm/panel/panel-simple.c

@@ -2655,6 +2655,7 @@ static const struct display_timing logictechno_lt161010_2nh_timing = {
 static const struct panel_desc logictechno_lt161010_2nh = {
 	.timings = &logictechno_lt161010_2nh_timing,
 	.num_timings = 1,
+	.bpc = 6,
 	.size = {
 		.width = 154,
 		.height = 86,
@@ -2684,6 +2685,7 @@ static const struct display_timing logictechno_lt170410_2whc_timing = {
 static const struct panel_desc logictechno_lt170410_2whc = {
 	.timings = &logictechno_lt170410_2whc_timing,
 	.num_timings = 1,
+	.bpc = 8,
 	.size = {
 		.width = 217,
 		.height = 136,

drivers/i2c/busses/i2c-i801.c

@@ -1275,6 +1275,7 @@ static const struct {
 	 */
 	{ "Latitude 5480",      0x29 },
 	{ "Vostro V131",        0x1d },
+	{ "Vostro 5568",        0x29 },
 };
 
 static void register_dell_lis3lv02d_i2c_device(struct i801_priv *priv)

drivers/i2c/busses/i2c-tegra.c

@@ -283,6 +283,7 @@ struct tegra_i2c_dev {
 	struct dma_chan *tx_dma_chan;
 	struct dma_chan *rx_dma_chan;
 	unsigned int dma_buf_size;
+	struct device *dma_dev;
 	dma_addr_t dma_phys;
 	void *dma_buf;
 
@@ -419,7 +420,7 @@ static int tegra_i2c_dma_submit(struct tegra_i2c_dev *i2c_dev, size_t len)
 static void tegra_i2c_release_dma(struct tegra_i2c_dev *i2c_dev)
 {
 	if (i2c_dev->dma_buf) {
-		dma_free_coherent(i2c_dev->dev, i2c_dev->dma_buf_size,
+		dma_free_coherent(i2c_dev->dma_dev, i2c_dev->dma_buf_size,
 				  i2c_dev->dma_buf, i2c_dev->dma_phys);
 		i2c_dev->dma_buf = NULL;
 	}
@@ -466,10 +467,13 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev)
 
 	i2c_dev->tx_dma_chan = chan;
 
+	WARN_ON(i2c_dev->tx_dma_chan->device != i2c_dev->rx_dma_chan->device);
+	i2c_dev->dma_dev = chan->device->dev;
+
 	i2c_dev->dma_buf_size = i2c_dev->hw->quirks->max_write_len +
 				I2C_PACKET_HEADER_SIZE;
 
-	dma_buf = dma_alloc_coherent(i2c_dev->dev, i2c_dev->dma_buf_size,
+	dma_buf = dma_alloc_coherent(i2c_dev->dma_dev, i2c_dev->dma_buf_size,
 				     &dma_phys, GFP_KERNEL | __GFP_NOWARN);
 	if (!dma_buf) {
 		dev_err(i2c_dev->dev, "failed to allocate DMA buffer\n");
@@ -1255,7 +1259,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
 
 	if (i2c_dev->dma_mode) {
 		if (i2c_dev->msg_read) {
-			dma_sync_single_for_device(i2c_dev->dev,
+			dma_sync_single_for_device(i2c_dev->dma_dev,
 						   i2c_dev->dma_phys,
 						   xfer_size, DMA_FROM_DEVICE);
 
@@ -1263,7 +1267,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
 			if (err)
 				return err;
 		} else {
-			dma_sync_single_for_cpu(i2c_dev->dev,
+			dma_sync_single_for_cpu(i2c_dev->dma_dev,
 						i2c_dev->dma_phys,
 						xfer_size, DMA_TO_DEVICE);
 		}
@@ -1276,7 +1280,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
 			memcpy(i2c_dev->dma_buf + I2C_PACKET_HEADER_SIZE,
 			       msg->buf, msg->len);
 
-			dma_sync_single_for_device(i2c_dev->dev,
+			dma_sync_single_for_device(i2c_dev->dma_dev,
 						   i2c_dev->dma_phys,
 						   xfer_size, DMA_TO_DEVICE);
 
@@ -1327,7 +1331,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
 		}
 
 		if (i2c_dev->msg_read && i2c_dev->msg_err == I2C_ERR_NONE) {
-			dma_sync_single_for_cpu(i2c_dev->dev,
+			dma_sync_single_for_cpu(i2c_dev->dma_dev,
 						i2c_dev->dma_phys,
 						xfer_size, DMA_FROM_DEVICE);
 

drivers/iio/adc/at91_adc.c

@@ -616,8 +616,10 @@ static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *idev,
 	trig->ops = &at91_adc_trigger_ops;
 
 	ret = iio_trigger_register(trig);
-	if (ret)
+	if (ret) {
+		iio_trigger_free(trig);
 		return NULL;
+	}
 
 	return trig;
 }

drivers/iio/adc/mp2629_adc.c

@@ -56,7 +56,8 @@ static struct iio_map mp2629_adc_maps[] = {
 	MP2629_MAP(SYSTEM_VOLT, "system-volt"),
 	MP2629_MAP(INPUT_VOLT, "input-volt"),
 	MP2629_MAP(BATT_CURRENT, "batt-current"),
-	MP2629_MAP(INPUT_CURRENT, "input-current")
+	MP2629_MAP(INPUT_CURRENT, "input-current"),
+	{ }
 };
 
 static int mp2629_read_raw(struct iio_dev *indio_dev,
@@ -73,7 +74,7 @@ static int mp2629_read_raw(struct iio_dev *indio_dev,
 		if (ret)
 			return ret;
 
-		if (chan->address == MP2629_INPUT_VOLT)
+		if (chan->channel == MP2629_INPUT_VOLT)
 			rval &= GENMASK(6, 0);
 		*val = rval;
 		return IIO_VAL_INT;

drivers/iio/pressure/ms5611_spi.c

@@ -94,7 +94,7 @@ static int ms5611_spi_probe(struct spi_device *spi)
 	spi_set_drvdata(spi, indio_dev);
 
 	spi->mode = SPI_MODE_0;
-	spi->max_speed_hz = 20000000;
+	spi->max_speed_hz = min(spi->max_speed_hz, 20000000U);
 	spi->bits_per_word = 8;
 	ret = spi_setup(spi);
 	if (ret < 0)

drivers/iio/trigger/iio-trig-sysfs.c

@@ -209,9 +209,13 @@ static int iio_sysfs_trigger_remove(int id)
 
 static int __init iio_sysfs_trig_init(void)
 {
+	int ret;
 	device_initialize(&iio_sysfs_trig_dev);
 	dev_set_name(&iio_sysfs_trig_dev, "iio_sysfs_trigger");
-	return device_add(&iio_sysfs_trig_dev);
+	ret = device_add(&iio_sysfs_trig_dev);
+	if (ret)
+		put_device(&iio_sysfs_trig_dev);
+	return ret;
 }
 module_init(iio_sysfs_trig_init);
 

drivers/input/joystick/iforce/iforce-main.c

@@ -273,22 +273,22 @@ int iforce_init_device(struct device *parent, u16 bustype,
  * Get device info.
  */
 
-	if (!iforce_get_id_packet(iforce, 'M', buf, &len) || len < 3)
+	if (!iforce_get_id_packet(iforce, 'M', buf, &len) && len >= 3)
 		input_dev->id.vendor = get_unaligned_le16(buf + 1);
 	else
 		dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n");
 
-	if (!iforce_get_id_packet(iforce, 'P', buf, &len) || len < 3)
+	if (!iforce_get_id_packet(iforce, 'P', buf, &len) && len >= 3)
 		input_dev->id.product = get_unaligned_le16(buf + 1);
 	else
 		dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n");
 
-	if (!iforce_get_id_packet(iforce, 'B', buf, &len) || len < 3)
+	if (!iforce_get_id_packet(iforce, 'B', buf, &len) && len >= 3)
 		iforce->device_memory.end = get_unaligned_le16(buf + 1);
 	else
 		dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n");
 
-	if (!iforce_get_id_packet(iforce, 'N', buf, &len) || len < 2)
+	if (!iforce_get_id_packet(iforce, 'N', buf, &len) && len >= 2)
 		ff_effects = buf[1];
 	else
 		dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n");

drivers/input/serio/i8042.c

@@ -1543,8 +1543,6 @@ static int i8042_probe(struct platform_device *dev)
 {
 	int error;
 
-	i8042_platform_device = dev;
-
 	if (i8042_reset == I8042_RESET_ALWAYS) {
 		error = i8042_controller_selftest();
 		if (error)
@@ -1582,7 +1580,6 @@ static int i8042_probe(struct platform_device *dev)
 	i8042_free_aux_ports();	/* in case KBD failed but AUX not */
 	i8042_free_irqs();
 	i8042_controller_reset(false);
-	i8042_platform_device = NULL;
 
 	return error;
 }
@@ -1592,7 +1589,6 @@ static int i8042_remove(struct platform_device *dev)
 	i8042_unregister_ports();
 	i8042_free_irqs();
 	i8042_controller_reset(false);
-	i8042_platform_device = NULL;
 
 	return 0;
 }

drivers/iommu/intel/pasid.c

@@ -669,7 +669,7 @@ int intel_pasid_setup_second_level(struct intel_iommu *iommu,
 	 * Since it is a second level only translation setup, we should
 	 * set SRE bit as well (addresses are expected to be GPAs).
 	 */
-	if (pasid != PASID_RID2PASID)
+	if (pasid != PASID_RID2PASID && ecap_srs(iommu->ecap))
 		pasid_set_sre(pte);
 	pasid_set_present(pte);
 	pasid_flush_caches(iommu, pte, pasid, did);
@@ -704,7 +704,8 @@ int intel_pasid_setup_pass_through(struct intel_iommu *iommu,
 	 * We should set SRE bit as well since the addresses are expected
 	 * to be GPAs.
 	 */
-	pasid_set_sre(pte);
+	if (ecap_srs(iommu->ecap))
+		pasid_set_sre(pte);
 	pasid_set_present(pte);
 	pasid_flush_caches(iommu, pte, pasid, did);
 

drivers/isdn/mISDN/core.c

@@ -222,7 +222,7 @@ mISDN_register_device(struct mISDNdevice *dev,
 
 	err = get_free_devid();
 	if (err < 0)
-		goto error1;
+		return err;
 	dev->id = err;
 
 	device_initialize(&dev->dev);

drivers/isdn/mISDN/dsp_pipeline.c

@@ -77,6 +77,7 @@ int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
 	if (!entry)
 		return -ENOMEM;
 
+	INIT_LIST_HEAD(&entry->list);
 	entry->elem = elem;
 
 	entry->dev.class = elements_class;
@@ -107,7 +108,7 @@ int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
 	device_unregister(&entry->dev);
 	return ret;
 err1:
-	kfree(entry);
+	put_device(&entry->dev);
 	return ret;
 }
 EXPORT_SYMBOL(mISDN_dsp_element_register);

drivers/md/dm-ioctl.c

@@ -573,7 +573,7 @@ static void list_version_get_needed(struct target_type *tt, void *needed_param)
     size_t *needed = needed_param;
 
     *needed += sizeof(struct dm_target_versions);
-    *needed += strlen(tt->name);
+    *needed += strlen(tt->name) + 1;
     *needed += ALIGN_MASK;
 }
 
@@ -638,7 +638,7 @@ static int __list_versions(struct dm_ioctl *param, size_t param_size, const char
 	iter_info.old_vers = NULL;
 	iter_info.vers = vers;
 	iter_info.flags = 0;
-	iter_info.end = (char *)vers+len;
+	iter_info.end = (char *)vers + needed;
 
 	/*
 	 * Now loop through filling out the names & versions.

drivers/mfd/lpc_ich.c

@@ -63,6 +63,8 @@
 #define SPIBASE_BYT		0x54
 #define SPIBASE_BYT_SZ		512
 #define SPIBASE_BYT_EN		BIT(1)
+#define BYT_BCR			0xfc
+#define BYT_BCR_WPD		BIT(0)
 
 #define SPIBASE_LPT		0x3800
 #define SPIBASE_LPT_SZ		512
@@ -1083,12 +1085,57 @@ static int lpc_ich_init_wdt(struct pci_dev *dev)
 	return ret;
 }
 
+static bool lpc_ich_byt_set_writeable(void __iomem *base, void *data)
+{
+	u32 val;
+
+	val = readl(base + BYT_BCR);
+	if (!(val & BYT_BCR_WPD)) {
+		val |= BYT_BCR_WPD;
+		writel(val, base + BYT_BCR);
+		val = readl(base + BYT_BCR);
+	}
+
+	return val & BYT_BCR_WPD;
+}
+
+static bool lpc_ich_lpt_set_writeable(void __iomem *base, void *data)
+{
+	struct pci_dev *pdev = data;
+	u32 bcr;
+
+	pci_read_config_dword(pdev, BCR, &bcr);
+	if (!(bcr & BCR_WPD)) {
+		bcr |= BCR_WPD;
+		pci_write_config_dword(pdev, BCR, bcr);
+		pci_read_config_dword(pdev, BCR, &bcr);
+	}
+
+	return bcr & BCR_WPD;
+}
+
+static bool lpc_ich_bxt_set_writeable(void __iomem *base, void *data)
+{
+	unsigned int spi = PCI_DEVFN(13, 2);
+	struct pci_bus *bus = data;
+	u32 bcr;
+
+	pci_bus_read_config_dword(bus, spi, BCR, &bcr);
+	if (!(bcr & BCR_WPD)) {
+		bcr |= BCR_WPD;
+		pci_bus_write_config_dword(bus, spi, BCR, bcr);
+		pci_bus_read_config_dword(bus, spi, BCR, &bcr);
+	}
+
+	return bcr & BCR_WPD;
+}
+
 static int lpc_ich_init_spi(struct pci_dev *dev)
 {
 	struct lpc_ich_priv *priv = pci_get_drvdata(dev);
 	struct resource *res = &intel_spi_res[0];
 	struct intel_spi_boardinfo *info;
-	u32 spi_base, rcba, bcr;
+	u32 spi_base, rcba;
 
 	info = devm_kzalloc(&dev->dev, sizeof(*info), GFP_KERNEL);
 	if (!info)
@@ -1102,6 +1149,8 @@ static int lpc_ich_init_spi(struct pci_dev *dev)
 		if (spi_base & SPIBASE_BYT_EN) {
 			res->start = spi_base & ~(SPIBASE_BYT_SZ - 1);
 			res->end = res->start + SPIBASE_BYT_SZ - 1;
+
+			info->set_writeable = lpc_ich_byt_set_writeable;
 		}
 		break;
 
@@ -1112,8 +1161,8 @@ static int lpc_ich_init_spi(struct pci_dev *dev)
 			res->start = spi_base + SPIBASE_LPT;
 			res->end = res->start + SPIBASE_LPT_SZ - 1;
 
-			pci_read_config_dword(dev, BCR, &bcr);
+			info->set_writeable = lpc_ich_lpt_set_writeable;
-			info->writeable = !!(bcr & BCR_WPD);
+			info->data = dev;
 		}
 		break;
 
@@ -1134,8 +1183,8 @@ static int lpc_ich_init_spi(struct pci_dev *dev)
 			res->start = spi_base & 0xfffffff0;
 			res->end = res->start + SPIBASE_APL_SZ - 1;
 
-			pci_bus_read_config_dword(bus, spi, BCR, &bcr);
+			info->set_writeable = lpc_ich_bxt_set_writeable;
-			info->writeable = !!(bcr & BCR_WPD);
+			info->data = bus;
 		}
 
 		pci_bus_write_config_byte(bus, p2sb, 0xe1, 0x1);

drivers/misc/vmw_vmci/vmci_queue_pair.c

@@ -852,6 +852,7 @@ static int qp_notify_peer_local(bool attach, struct vmci_handle handle)
 	u32 context_id = vmci_get_context_id();
 	struct vmci_event_qp ev;
 
+	memset(&ev, 0, sizeof(ev));
 	ev.msg.hdr.dst = vmci_make_handle(context_id, VMCI_EVENT_HANDLER);
 	ev.msg.hdr.src = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID,
 					  VMCI_CONTEXT_RESOURCE_ID);
@@ -1465,6 +1466,7 @@ static int qp_notify_peer(bool attach,
 	 * kernel.
 	 */
 
+	memset(&ev, 0, sizeof(ev));
 	ev.msg.hdr.dst = vmci_make_handle(peer_id, VMCI_EVENT_HANDLER);
 	ev.msg.hdr.src = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID,
 					  VMCI_CONTEXT_RESOURCE_ID);

drivers/mmc/core/core.c

@@ -1133,7 +1133,13 @@ u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
 		mmc_power_cycle(host, ocr);
 	} else {
 		bit = fls(ocr) - 1;
-		ocr &= 3 << bit;
+		/*
+		 * The bit variable represents the highest voltage bit set in
+		 * the OCR register.
+		 * To keep a range of 2 values (e.g. 3.2V/3.3V and 3.3V/3.4V),
+		 * we must shift the mask '3' with (bit - 1).
+		 */
+		ocr &= 3 << (bit - 1);
 		if (bit != host->ios.vdd)
 			dev_warn(mmc_dev(host), "exceeding card's volts\n");
 	}

drivers/mmc/host/sdhci-esdhc-imx.c

@@ -1621,14 +1621,14 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 	if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536)
 		host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
 
-	if (host->caps & MMC_CAP_8_BIT_DATA &&
+	if (host->mmc->caps & MMC_CAP_8_BIT_DATA &&
 	    imx_data->socdata->flags & ESDHC_FLAG_HS400)
 		host->quirks2 |= SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400;
 
 	if (imx_data->socdata->flags & ESDHC_FLAG_BROKEN_AUTO_CMD23)
 		host->quirks2 |= SDHCI_QUIRK2_ACMD23_BROKEN;
 
-	if (host->caps & MMC_CAP_8_BIT_DATA &&
+	if (host->mmc->caps & MMC_CAP_8_BIT_DATA &&
 	    imx_data->socdata->flags & ESDHC_FLAG_HS400_ES) {
 		host->mmc->caps2 |= MMC_CAP2_HS400_ES;
 		host->mmc_host_ops.hs400_enhanced_strobe =

drivers/mmc/host/sdhci-pci-core.c

@@ -1799,6 +1799,8 @@ static int amd_probe(struct sdhci_pci_chip *chip)
 		}
 	}
 
+	pci_dev_put(smbus_dev);
+
 	if (gen == AMD_CHIPSET_BEFORE_ML || gen == AMD_CHIPSET_CZ)
 		chip->quirks2 |= SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD;
 

drivers/mmc/host/sdhci-pci-o2micro.c

@@ -31,6 +31,7 @@
 #define O2_SD_CAPS		0xE0
 #define O2_SD_ADMA1		0xE2
 #define O2_SD_ADMA2		0xE7
+#define O2_SD_MISC_CTRL2	0xF0
 #define O2_SD_INF_MOD		0xF1
 #define O2_SD_MISC_CTRL4	0xFC
 #define O2_SD_MISC_CTRL		0x1C0
@@ -822,6 +823,12 @@ static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
 		/* Set Tuning Windows to 5 */
 		pci_write_config_byte(chip->pdev,
 				O2_SD_TUNING_CTRL, 0x55);
+		//Adjust 1st and 2nd CD debounce time
+		pci_read_config_dword(chip->pdev, O2_SD_MISC_CTRL2, &scratch_32);
+		scratch_32 &= 0xFFE7FFFF;
+		scratch_32 |= 0x00180000;
+		pci_write_config_dword(chip->pdev, O2_SD_MISC_CTRL2, scratch_32);
+		pci_write_config_dword(chip->pdev, O2_SD_DETECT_SETTING, 1);
 		/* Lock WP */
 		ret = pci_read_config_byte(chip->pdev,
 					   O2_SD_LOCK_WP, &scratch);

drivers/mtd/spi-nor/controllers/intel-spi-pci.c

@@ -16,12 +16,30 @@
 #define BCR		0xdc
 #define BCR_WPD		BIT(0)
 
+static bool intel_spi_pci_set_writeable(void __iomem *base, void *data)
+{
+	struct pci_dev *pdev = data;
+	u32 bcr;
+
+	/* Try to make the chip read/write */
+	pci_read_config_dword(pdev, BCR, &bcr);
+	if (!(bcr & BCR_WPD)) {
+		bcr |= BCR_WPD;
+		pci_write_config_dword(pdev, BCR, bcr);
+		pci_read_config_dword(pdev, BCR, &bcr);
+	}
+
+	return bcr & BCR_WPD;
+}
+
 static const struct intel_spi_boardinfo bxt_info = {
 	.type = INTEL_SPI_BXT,
+	.set_writeable = intel_spi_pci_set_writeable,
 };
 
 static const struct intel_spi_boardinfo cnl_info = {
 	.type = INTEL_SPI_CNL,
+	.set_writeable = intel_spi_pci_set_writeable,
 };
 
 static int intel_spi_pci_probe(struct pci_dev *pdev,
@@ -29,7 +47,6 @@ static int intel_spi_pci_probe(struct pci_dev *pdev,
 {
 	struct intel_spi_boardinfo *info;
 	struct intel_spi *ispi;
-	u32 bcr;
 	int ret;
 
 	ret = pcim_enable_device(pdev);
@@ -41,15 +58,7 @@ static int intel_spi_pci_probe(struct pci_dev *pdev,
 	if (!info)
 		return -ENOMEM;
 
-	/* Try to make the chip read/write */
+	info->data = pdev;
-	pci_read_config_dword(pdev, BCR, &bcr);
-	if (!(bcr & BCR_WPD)) {
-		bcr |= BCR_WPD;
-		pci_write_config_dword(pdev, BCR, bcr);
-		pci_read_config_dword(pdev, BCR, &bcr);
-	}
-	info->writeable = !!(bcr & BCR_WPD);
-
 	ispi = intel_spi_probe(&pdev->dev, &pdev->resource[0], info);
 	if (IS_ERR(ispi))
 		return PTR_ERR(ispi);

drivers/mtd/spi-nor/controllers/intel-spi.c

@@ -53,17 +53,17 @@
 #define FRACC				0x50
 
 #define FREG(n)				(0x54 + ((n) * 4))
-#define FREG_BASE_MASK			0x3fff
+#define FREG_BASE_MASK			GENMASK(14, 0)
 #define FREG_LIMIT_SHIFT		16
-#define FREG_LIMIT_MASK			(0x03fff << FREG_LIMIT_SHIFT)
+#define FREG_LIMIT_MASK			GENMASK(30, 16)
 
 /* Offset is from @ispi->pregs */
 #define PR(n)				((n) * 4)
 #define PR_WPE				BIT(31)
 #define PR_LIMIT_SHIFT			16
-#define PR_LIMIT_MASK			(0x3fff << PR_LIMIT_SHIFT)
+#define PR_LIMIT_MASK			GENMASK(30, 16)
 #define PR_RPE				BIT(15)
-#define PR_BASE_MASK			0x3fff
+#define PR_BASE_MASK			GENMASK(14, 0)
 
 /* Offsets are from @ispi->sregs */
 #define SSFSTS_CTL			0x00
@@ -117,7 +117,7 @@
 #define ERASE_OPCODE_SHIFT		8
 #define ERASE_OPCODE_MASK		(0xff << ERASE_OPCODE_SHIFT)
 #define ERASE_64K_OPCODE_SHIFT		16
-#define ERASE_64K_OPCODE_MASK		(0xff << ERASE_OPCODE_SHIFT)
+#define ERASE_64K_OPCODE_MASK		(0xff << ERASE_64K_OPCODE_SHIFT)
 
 #define INTEL_SPI_TIMEOUT		5000 /* ms */
 #define INTEL_SPI_FIFO_SZ		64
@@ -132,7 +132,6 @@
  * @sregs: Start of software sequencer registers
  * @nregions: Maximum number of regions
  * @pr_num: Maximum number of protected range registers
- * @writeable: Is the chip writeable
  * @locked: Is SPI setting locked
  * @swseq_reg: Use SW sequencer in register reads/writes
  * @swseq_erase: Use SW sequencer in erase operation
@@ -150,7 +149,6 @@ struct intel_spi {
 	void __iomem *sregs;
 	size_t nregions;
 	size_t pr_num;
-	bool writeable;
 	bool locked;
 	bool swseq_reg;
 	bool swseq_erase;
@@ -305,6 +303,14 @@ static int intel_spi_wait_sw_busy(struct intel_spi *ispi)
 				  INTEL_SPI_TIMEOUT * 1000);
 }
 
+static bool intel_spi_set_writeable(struct intel_spi *ispi)
+{
+	if (!ispi->info->set_writeable)
+		return false;
+
+	return ispi->info->set_writeable(ispi->base, ispi->info->data);
+}
+
 static int intel_spi_init(struct intel_spi *ispi)
 {
 	u32 opmenu0, opmenu1, lvscc, uvscc, val;
@@ -317,19 +323,6 @@ static int intel_spi_init(struct intel_spi *ispi)
 		ispi->nregions = BYT_FREG_NUM;
 		ispi->pr_num = BYT_PR_NUM;
 		ispi->swseq_reg = true;
-
-		if (writeable) {
-			/* Disable write protection */
-			val = readl(ispi->base + BYT_BCR);
-			if (!(val & BYT_BCR_WPD)) {
-				val |= BYT_BCR_WPD;
-				writel(val, ispi->base + BYT_BCR);
-				val = readl(ispi->base + BYT_BCR);
-			}
-
-			ispi->writeable = !!(val & BYT_BCR_WPD);
-		}
-
 		break;
 
 	case INTEL_SPI_LPT:
@@ -359,6 +352,12 @@ static int intel_spi_init(struct intel_spi *ispi)
 		return -EINVAL;
 	}
 
+	/* Try to disable write protection if user asked to do so */
+	if (writeable && !intel_spi_set_writeable(ispi)) {
+		dev_warn(ispi->dev, "can't disable chip write protection\n");
+		writeable = false;
+	}
+
 	/* Disable #SMI generation from HW sequencer */
 	val = readl(ispi->base + HSFSTS_CTL);
 	val &= ~HSFSTS_CTL_FSMIE;
@@ -885,9 +884,12 @@ static void intel_spi_fill_partition(struct intel_spi *ispi,
 		/*
 		 * If any of the regions have protection bits set, make the
 		 * whole partition read-only to be on the safe side.
+		 *
+		 * Also if the user did not ask the chip to be writeable
+		 * mask the bit too.
 		 */
-		if (intel_spi_is_protected(ispi, base, limit))
+		if (!writeable || intel_spi_is_protected(ispi, base, limit))
-			ispi->writeable = false;
+			part->mask_flags |= MTD_WRITEABLE;
 
 		end = (limit << 12) + 4096;
 		if (end > part->size)
@@ -928,7 +930,6 @@ struct intel_spi *intel_spi_probe(struct device *dev,
 
 	ispi->dev = dev;
 	ispi->info = info;
-	ispi->writeable = info->writeable;
 
 	ret = intel_spi_init(ispi);
 	if (ret)
@@ -946,10 +947,6 @@ struct intel_spi *intel_spi_probe(struct device *dev,
 
 	intel_spi_fill_partition(ispi, &part);
 
-	/* Prevent writes if not explicitly enabled */
-	if (!ispi->writeable || !writeable)
-		ispi->nor.mtd.flags &= ~MTD_WRITEABLE;
-
 	ret = mtd_device_register(&ispi->nor.mtd, &part, 1);
 	if (ret)
 		return ERR_PTR(ret);

drivers/net/ethernet/amazon/ena/ena_netdev.c

@@ -4488,13 +4488,19 @@ static struct pci_driver ena_pci_driver = {
 
 static int __init ena_init(void)
 {
+	int ret;
+
 	ena_wq = create_singlethread_workqueue(DRV_MODULE_NAME);
 	if (!ena_wq) {
 		pr_err("Failed to create workqueue\n");
 		return -ENOMEM;
 	}
 
-	return pci_register_driver(&ena_pci_driver);
+	ret = pci_register_driver(&ena_pci_driver);
+	if (ret)
+		destroy_workqueue(ena_wq);
+
+	return ret;
 }
 
 static void __exit ena_cleanup(void)

drivers/net/ethernet/atheros/ag71xx.c

@@ -1468,7 +1468,7 @@ static int ag71xx_open(struct net_device *ndev)
 	if (ret) {
 		netif_err(ag, link, ndev, "phylink_of_phy_connect filed with err: %i\n",
 			  ret);
-		goto err;
+		return ret;
 	}
 
 	max_frame_len = ag71xx_max_frame_len(ndev->mtu);
@@ -1489,6 +1489,7 @@ static int ag71xx_open(struct net_device *ndev)
 
 err:
 	ag71xx_rings_cleanup(ag);
+	phylink_disconnect_phy(ag->phylink);
 	return ret;
 }
 

drivers/net/ethernet/broadcom/Kconfig

@@ -69,7 +69,7 @@ config BCMGENET
 	select BCM7XXX_PHY
 	select MDIO_BCM_UNIMAC
 	select DIMLIB
-	select BROADCOM_PHY if (ARCH_BCM2835 && PTP_1588_CLOCK_OPTIONAL)
+	select BROADCOM_PHY if ARCH_BCM2835
 	help
 	  This driver supports the built-in Ethernet MACs found in the
 	  Broadcom BCM7xxx Set Top Box family chipset.

drivers/net/ethernet/broadcom/bgmac.c

@@ -1568,7 +1568,6 @@ void bgmac_enet_remove(struct bgmac *bgmac)
 	phy_disconnect(bgmac->net_dev->phydev);
 	netif_napi_del(&bgmac->napi);
 	bgmac_dma_free(bgmac);
-	free_netdev(bgmac->net_dev);
 }
 EXPORT_SYMBOL_GPL(bgmac_enet_remove);
 

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -13111,8 +13111,16 @@ static struct pci_driver bnxt_pci_driver = {
 
 static int __init bnxt_init(void)
 {
+	int err;
+
 	bnxt_debug_init();
-	return pci_register_driver(&bnxt_pci_driver);
+	err = pci_register_driver(&bnxt_pci_driver);
+	if (err) {
+		bnxt_debug_exit();
+		return err;
+	}
+
+	return 0;
 }
 
 static void __exit bnxt_exit(void)

drivers/net/ethernet/cavium/liquidio/lio_main.c

@@ -1798,13 +1798,10 @@ static int liquidio_open(struct net_device *netdev)
 
 	ifstate_set(lio, LIO_IFSTATE_RUNNING);
 
-	if (OCTEON_CN23XX_PF(oct)) {
+	if (!OCTEON_CN23XX_PF(oct) || (OCTEON_CN23XX_PF(oct) && !oct->msix_on)) {
-		if (!oct->msix_on)
+		ret = setup_tx_poll_fn(netdev);
-			if (setup_tx_poll_fn(netdev))
+		if (ret)
-				return -1;
+			goto err_poll;
-	} else {
-		if (setup_tx_poll_fn(netdev))
-			return -1;
 	}
 
 	netif_tx_start_all_queues(netdev);
@@ -1817,7 +1814,7 @@ static int liquidio_open(struct net_device *netdev)
 	/* tell Octeon to start forwarding packets to host */
 	ret = send_rx_ctrl_cmd(lio, 1);
 	if (ret)
-		return ret;
+		goto err_rx_ctrl;
 
 	/* start periodical statistics fetch */
 	INIT_DELAYED_WORK(&lio->stats_wk.work, lio_fetch_stats);
@@ -1828,6 +1825,27 @@ static int liquidio_open(struct net_device *netdev)
 	dev_info(&oct->pci_dev->dev, "%s interface is opened\n",
 		 netdev->name);
 
+	return 0;
+
+err_rx_ctrl:
+	if (!OCTEON_CN23XX_PF(oct) || (OCTEON_CN23XX_PF(oct) && !oct->msix_on))
+		cleanup_tx_poll_fn(netdev);
+err_poll:
+	if (lio->ptp_clock) {
+		ptp_clock_unregister(lio->ptp_clock);
+		lio->ptp_clock = NULL;
+	}
+
+	if (oct->props[lio->ifidx].napi_enabled == 1) {
+		list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
+			napi_disable(napi);
+
+		oct->props[lio->ifidx].napi_enabled = 0;
+
+		if (OCTEON_CN23XX_PF(oct))
+			oct->droq[0]->ops.poll_mode = 0;
+	}
+
 	return ret;
 }
 

drivers/net/ethernet/huawei/hinic/hinic_main.c

@@ -1502,8 +1502,15 @@ static struct pci_driver hinic_driver = {
 
 static int __init hinic_module_init(void)
 {
+	int ret;
+
 	hinic_dbg_register_debugfs(HINIC_DRV_NAME);
-	return pci_register_driver(&hinic_driver);
+
+	ret = pci_register_driver(&hinic_driver);
+	if (ret)
+		hinic_dbg_unregister_debugfs();
+
+	return ret;
 }
 
 static void __exit hinic_module_exit(void)

drivers/net/ethernet/pensando/ionic/ionic_main.c

@@ -569,8 +569,14 @@ int ionic_port_reset(struct ionic *ionic)
 
 static int __init ionic_init_module(void)
 {
+	int ret;
+
 	ionic_debugfs_create();
-	return ionic_bus_register_driver();
+	ret = ionic_bus_register_driver();
+	if (ret)
+		ionic_debugfs_destroy();
+
+	return ret;
 }
 
 static void __exit ionic_cleanup_module(void)

drivers/net/macvlan.c

@@ -139,7 +139,7 @@ static struct macvlan_source_entry *macvlan_hash_lookup_source(
 	u32 idx = macvlan_eth_hash(addr);
 	struct hlist_head *h = &vlan->port->vlan_source_hash[idx];
 
-	hlist_for_each_entry_rcu(entry, h, hlist) {
+	hlist_for_each_entry_rcu(entry, h, hlist, lockdep_rtnl_is_held()) {
 		if (ether_addr_equal_64bits(entry->addr, addr) &&
 		    entry->vlan == vlan)
 			return entry;
@@ -1176,7 +1176,7 @@ void macvlan_common_setup(struct net_device *dev)
 {
 	ether_setup(dev);
 
-	dev->min_mtu		= 0;
+	/* ether_setup() has set dev->min_mtu to ETH_MIN_MTU. */
 	dev->max_mtu		= ETH_MAX_MTU;
 	dev->priv_flags	       &= ~IFF_TX_SKB_SHARING;
 	netif_keep_dst(dev);
@@ -1614,7 +1614,7 @@ static int macvlan_fill_info_macaddr(struct sk_buff *skb,
 	struct hlist_head *h = &vlan->port->vlan_source_hash[i];
 	struct macvlan_source_entry *entry;
 
-	hlist_for_each_entry_rcu(entry, h, hlist) {
+	hlist_for_each_entry_rcu(entry, h, hlist, lockdep_rtnl_is_held()) {
 		if (entry->vlan != vlan)
 			continue;
 		if (nla_put(skb, IFLA_MACVLAN_MACADDR, ETH_ALEN, entry->addr))

drivers/net/thunderbolt.c

@@ -1343,12 +1343,21 @@ static int __init tbnet_init(void)
 				  TBNET_MATCH_FRAGS_ID);
 
 	ret = tb_register_property_dir("network", tbnet_dir);
-	if (ret) {
+	if (ret)
-		tb_property_free_dir(tbnet_dir);
+		goto err_free_dir;
-		return ret;
-	}
 
-	return tb_register_service_driver(&tbnet_driver);
+	ret = tb_register_service_driver(&tbnet_driver);
+	if (ret)
+		goto err_unregister;
+
+	return 0;
+
+err_unregister:
+	tb_unregister_property_dir("network", tbnet_dir);
+err_free_dir:
+	tb_property_free_dir(tbnet_dir);
+
+	return ret;
 }
 module_init(tbnet_init);
 

drivers/net/usb/smsc95xx.c

@@ -61,6 +61,7 @@ struct smsc95xx_priv {
 	u8 suspend_flags;
 	struct mii_bus *mdiobus;
 	struct phy_device *phydev;
+	struct task_struct *pm_task;
 };
 
 static bool turbo_mode = true;
@@ -70,13 +71,14 @@ MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
 static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
 					    u32 *data, int in_pm)
 {
+	struct smsc95xx_priv *pdata = dev->driver_priv;
 	u32 buf;
 	int ret;
 	int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
 
 	BUG_ON(!dev);
 
-	if (!in_pm)
+	if (current != pdata->pm_task)
 		fn = usbnet_read_cmd;
 	else
 		fn = usbnet_read_cmd_nopm;
@@ -100,13 +102,14 @@ static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
 static int __must_check __smsc95xx_write_reg(struct usbnet *dev, u32 index,
 					     u32 data, int in_pm)
 {
+	struct smsc95xx_priv *pdata = dev->driver_priv;
 	u32 buf;
 	int ret;
 	int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
 
 	BUG_ON(!dev);
 
-	if (!in_pm)
+	if (current != pdata->pm_task)
 		fn = usbnet_write_cmd;
 	else
 		fn = usbnet_write_cmd_nopm;
@@ -1468,9 +1471,12 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
 	u32 val, link_up;
 	int ret;
 
+	pdata->pm_task = current;
+
 	ret = usbnet_suspend(intf, message);
 	if (ret < 0) {
 		netdev_warn(dev->net, "usbnet_suspend error\n");
+		pdata->pm_task = NULL;
 		return ret;
 	}
 
@@ -1717,6 +1723,7 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
 	if (ret && PMSG_IS_AUTO(message))
 		usbnet_resume(intf);
 
+	pdata->pm_task = NULL;
 	return ret;
 }
 
@@ -1737,29 +1744,31 @@ static int smsc95xx_resume(struct usb_interface *intf)
 	/* do this first to ensure it's cleared even in error case */
 	pdata->suspend_flags = 0;
 
+	pdata->pm_task = current;
+
 	if (suspend_flags & SUSPEND_ALLMODES) {
 		/* clear wake-up sources */
 		ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
 		if (ret < 0)
-			return ret;
+			goto done;
 
 		val &= ~(WUCSR_WAKE_EN_ | WUCSR_MPEN_);
 
 		ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
 		if (ret < 0)
-			return ret;
+			goto done;
 
 		/* clear wake-up status */
 		ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
 		if (ret < 0)
-			return ret;
+			goto done;
 
 		val &= ~PM_CTL_WOL_EN_;
 		val |= PM_CTL_WUPS_;
 
 		ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
 		if (ret < 0)
-			return ret;
+			goto done;
 	}
 
 	ret = usbnet_resume(intf);
@@ -1767,15 +1776,21 @@ static int smsc95xx_resume(struct usb_interface *intf)
 		netdev_warn(dev->net, "usbnet_resume error\n");
 
 	phy_init_hw(pdata->phydev);
+
+done:
+	pdata->pm_task = NULL;
 	return ret;
 }
 
 static int smsc95xx_reset_resume(struct usb_interface *intf)
 {
 	struct usbnet *dev = usb_get_intfdata(intf);
+	struct smsc95xx_priv *pdata = dev->driver_priv;
 	int ret;
 
+	pdata->pm_task = current;
 	ret = smsc95xx_reset(dev);
+	pdata->pm_task = NULL;
 	if (ret < 0)
 		return ret;
 

drivers/nvme/host/core.c

@@ -3330,11 +3330,17 @@ static long nvme_dev_ioctl(struct file *file, unsigned int cmd,
 	case NVME_IOCTL_IO_CMD:
 		return nvme_dev_user_cmd(ctrl, argp);
 	case NVME_IOCTL_RESET:
+		if (!capable(CAP_SYS_ADMIN))
+			return -EACCES;
 		dev_warn(ctrl->device, "resetting controller\n");
 		return nvme_reset_ctrl_sync(ctrl);
 	case NVME_IOCTL_SUBSYS_RESET:
+		if (!capable(CAP_SYS_ADMIN))
+			return -EACCES;
 		return nvme_reset_subsystem(ctrl);
 	case NVME_IOCTL_RESCAN:
+		if (!capable(CAP_SYS_ADMIN))
+			return -EACCES;
 		nvme_queue_scan(ctrl);
 		return 0;
 	default:

drivers/nvme/host/nvme.h

@@ -544,11 +544,23 @@ static inline void nvme_fault_inject_fini(struct nvme_fault_inject *fault_inj)
 static inline void nvme_should_fail(struct request *req) {}
 #endif
 
+bool nvme_wait_reset(struct nvme_ctrl *ctrl);
+int nvme_try_sched_reset(struct nvme_ctrl *ctrl);
+
 static inline int nvme_reset_subsystem(struct nvme_ctrl *ctrl)
 {
+	int ret;
+
 	if (!ctrl->subsystem)
 		return -ENOTTY;
-	return ctrl->ops->reg_write32(ctrl, NVME_REG_NSSR, 0x4E564D65);
+	if (!nvme_wait_reset(ctrl))
+		return -EBUSY;
+
+	ret = ctrl->ops->reg_write32(ctrl, NVME_REG_NSSR, 0x4E564D65);
+	if (ret)
+		return ret;
+
+	return nvme_try_sched_reset(ctrl);
 }
 
 /*
@@ -635,7 +647,6 @@ void nvme_cancel_tagset(struct nvme_ctrl *ctrl);
 void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl);
 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
 		enum nvme_ctrl_state new_state);
-bool nvme_wait_reset(struct nvme_ctrl *ctrl);
 int nvme_disable_ctrl(struct nvme_ctrl *ctrl);
 int nvme_enable_ctrl(struct nvme_ctrl *ctrl);
 int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl);
@@ -688,7 +699,6 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
 void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
 int nvme_reset_ctrl(struct nvme_ctrl *ctrl);
 int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl);
-int nvme_try_sched_reset(struct nvme_ctrl *ctrl);
 int nvme_delete_ctrl(struct nvme_ctrl *ctrl);
 
 int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi,

drivers/parport/parport_pc.c

@@ -468,7 +468,7 @@ static size_t parport_pc_fifo_write_block_pio(struct parport *port,
 	const unsigned char *bufp = buf;
 	size_t left = length;
 	unsigned long expire = jiffies + port->physport->cad->timeout;
-	const int fifo = FIFO(port);
+	const unsigned long fifo = FIFO(port);
 	int poll_for = 8; /* 80 usecs */
 	const struct parport_pc_private *priv = port->physport->private_data;
 	const int fifo_depth = priv->fifo_depth;

drivers/pinctrl/devicetree.c

@@ -220,6 +220,8 @@ int pinctrl_dt_to_map(struct pinctrl *p, struct pinctrl_dev *pctldev)
 	for (state = 0; ; state++) {
 		/* Retrieve the pinctrl-* property */
 		propname = kasprintf(GFP_KERNEL, "pinctrl-%d", state);
+		if (!propname)
+			return -ENOMEM;
 		prop = of_find_property(np, propname, &size);
 		kfree(propname);
 		if (!prop) {

drivers/platform/x86/intel_pmc_core_pltdrv.c

@@ -18,6 +18,8 @@
 #include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
 
+#include <xen/xen.h>
+
 static void intel_pmc_core_release(struct device *dev)
 {
 	kfree(dev);
@@ -53,6 +55,13 @@ static int __init pmc_core_platform_init(void)
 	if (acpi_dev_present("INT33A1", NULL, -1))
 		return -ENODEV;
 
+	/*
+	 * Skip forcefully attaching the device for VMs. Make an exception for
+	 * Xen dom0, which does have full hardware access.
+	 */
+	if (cpu_feature_enabled(X86_FEATURE_HYPERVISOR) && !xen_initial_domain())
+		return -ENODEV;
+
 	if (!x86_match_cpu(intel_pmc_core_platform_ids))
 		return -ENODEV;
 

drivers/s390/scsi/zfcp_fsf.c

@@ -866,7 +866,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
 	const bool is_srb = zfcp_fsf_req_is_status_read_buffer(req);
 	struct zfcp_adapter *adapter = req->adapter;
 	struct zfcp_qdio *qdio = adapter->qdio;
-	int req_id = req->req_id;
+	unsigned long req_id = req->req_id;
 
 	zfcp_reqlist_add(adapter->req_list, req);
 

drivers/scsi/scsi_debug.c

@@ -7079,8 +7079,12 @@ static int sdebug_add_host_helper(int per_host_idx)
 	dev_set_name(&sdbg_host->dev, "adapter%d", sdebug_num_hosts);
 
 	error = device_register(&sdbg_host->dev);
-	if (error)
+	if (error) {
+		spin_lock(&sdebug_host_list_lock);
+		list_del(&sdbg_host->host_list);
+		spin_unlock(&sdebug_host_list_lock);
 		goto clean;
+	}
 
 	++sdebug_num_hosts;
 	return 0;

drivers/siox/siox-core.c

@@ -835,6 +835,8 @@ static struct siox_device *siox_device_add(struct siox_master *smaster,
 
 err_device_register:
 	/* don't care to make the buffer smaller again */
+	put_device(&sdevice->dev);
+	sdevice = NULL;
 
 err_buf_alloc:
 	siox_master_unlock(smaster);

drivers/slimbus/stream.c

@@ -67,10 +67,10 @@ static const int slim_presence_rate_table[] = {
 	384000,
 	768000,
 	0, /* Reserved */
-	110250,
+	11025,
-	220500,
+	22050,
-	441000,
+	44100,
-	882000,
+	88200,
 	176400,
 	352800,
 	705600,

drivers/spi/spi-stm32.c

@@ -941,6 +941,7 @@ static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id)
 		static DEFINE_RATELIMIT_STATE(rs,
 					      DEFAULT_RATELIMIT_INTERVAL * 10,
 					      1);
+		ratelimit_set_flags(&rs, RATELIMIT_MSG_ON_RELEASE);
 		if (__ratelimit(&rs))
 			dev_dbg_ratelimited(spi->dev, "Communication suspended\n");
 		if (!spi->cur_usedma && (spi->rx_buf && (spi->rx_len > 0)))

drivers/target/loopback/tcm_loop.c

@@ -394,6 +394,7 @@ static int tcm_loop_setup_hba_bus(struct tcm_loop_hba *tl_hba, int tcm_loop_host
 	ret = device_register(&tl_hba->dev);
 	if (ret) {
 		pr_err("device_register() failed for tl_hba->dev: %d\n", ret);
+		put_device(&tl_hba->dev);
 		return -ENODEV;
 	}
 
@@ -1072,7 +1073,7 @@ static struct se_wwn *tcm_loop_make_scsi_hba(
 	 */
 	ret = tcm_loop_setup_hba_bus(tl_hba, tcm_loop_hba_no_cnt);
 	if (ret)
-		goto out;
+		return ERR_PTR(ret);
 
 	sh = tl_hba->sh;
 	tcm_loop_hba_no_cnt++;

drivers/tty/n_gsm.c

@@ -1416,7 +1416,7 @@ static struct gsm_control *gsm_control_send(struct gsm_mux *gsm,
 		unsigned int command, u8 *data, int clen)
 {
 	struct gsm_control *ctrl = kzalloc(sizeof(struct gsm_control),
-						GFP_KERNEL);
+						GFP_ATOMIC);
 	unsigned long flags;
 	if (ctrl == NULL)
 		return NULL;

drivers/tty/serial/8250/8250_lpss.c

@@ -268,8 +268,13 @@ static int lpss8250_dma_setup(struct lpss8250 *lpss, struct uart_8250_port *port
 	struct dw_dma_slave *rx_param, *tx_param;
 	struct device *dev = port->port.dev;
 
-	if (!lpss->dma_param.dma_dev)
+	if (!lpss->dma_param.dma_dev) {
+		dma = port->dma;
+		if (dma)
+			goto out_configuration_only;
+
 		return 0;
+	}
 
 	rx_param = devm_kzalloc(dev, sizeof(*rx_param), GFP_KERNEL);
 	if (!rx_param)
@@ -280,16 +285,18 @@ static int lpss8250_dma_setup(struct lpss8250 *lpss, struct uart_8250_port *port
 		return -ENOMEM;
 
 	*rx_param = lpss->dma_param;
-	dma->rxconf.src_maxburst = lpss->dma_maxburst;
-
 	*tx_param = lpss->dma_param;
-	dma->txconf.dst_maxburst = lpss->dma_maxburst;
 
 	dma->fn = lpss8250_dma_filter;
 	dma->rx_param = rx_param;
 	dma->tx_param = tx_param;
 
 	port->dma = dma;
+
+out_configuration_only:
+	dma->rxconf.src_maxburst = lpss->dma_maxburst;
+	dma->txconf.dst_maxburst = lpss->dma_maxburst;
+
 	return 0;
 }
 

drivers/tty/serial/8250/8250_omap.c

@@ -157,7 +157,11 @@ static u32 uart_read(struct uart_8250_port *up, u32 reg)
 	return readl(up->port.membase + (reg << up->port.regshift));
 }
 
-static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl)
+/*
+ * Called on runtime PM resume path from omap8250_restore_regs(), and
+ * omap8250_set_mctrl().
+ */
+static void __omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl)
 {
 	struct uart_8250_port *up = up_to_u8250p(port);
 	struct omap8250_priv *priv = up->port.private_data;
@@ -181,6 +185,20 @@ static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl)
 	}
 }
 
+static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+	int err;
+
+	err = pm_runtime_resume_and_get(port->dev);
+	if (err)
+		return;
+
+	__omap8250_set_mctrl(port, mctrl);
+
+	pm_runtime_mark_last_busy(port->dev);
+	pm_runtime_put_autosuspend(port->dev);
+}
+
 /*
  * Work Around for Errata i202 (2430, 3430, 3630, 4430 and 4460)
  * The access to uart register after MDR1 Access
@@ -193,27 +211,10 @@ static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl)
 static void omap_8250_mdr1_errataset(struct uart_8250_port *up,
 				     struct omap8250_priv *priv)
 {
-	u8 timeout = 255;
-
 	serial_out(up, UART_OMAP_MDR1, priv->mdr1);
 	udelay(2);
 	serial_out(up, UART_FCR, up->fcr | UART_FCR_CLEAR_XMIT |
 			UART_FCR_CLEAR_RCVR);
-	/*
-	 * Wait for FIFO to empty: when empty, RX_FIFO_E bit is 0 and
-	 * TX_FIFO_E bit is 1.
-	 */
-	while (UART_LSR_THRE != (serial_in(up, UART_LSR) &
-				(UART_LSR_THRE | UART_LSR_DR))) {
-		timeout--;
-		if (!timeout) {
-			/* Should *never* happen. we warn and carry on */
-			dev_crit(up->port.dev, "Errata i202: timedout %x\n",
-				 serial_in(up, UART_LSR));
-			break;
-		}
-		udelay(1);
-	}
 }
 
 static void omap_8250_get_divisor(struct uart_port *port, unsigned int baud,
@@ -341,7 +342,7 @@ static void omap8250_restore_regs(struct uart_8250_port *up)
 
 	omap8250_update_mdr1(up, priv);
 
-	up->port.ops->set_mctrl(&up->port, up->port.mctrl);
+	__omap8250_set_mctrl(&up->port, up->port.mctrl);
 
 	if (up->port.rs485.flags & SER_RS485_ENABLED)
 		serial8250_em485_stop_tx(up);
@@ -1474,9 +1475,15 @@ static int omap8250_probe(struct platform_device *pdev)
 static int omap8250_remove(struct platform_device *pdev)
 {
 	struct omap8250_priv *priv = platform_get_drvdata(pdev);
+	int err;
+
+	err = pm_runtime_resume_and_get(&pdev->dev);
+	if (err)
+		return err;
 
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
 	pm_runtime_put_sync(&pdev->dev);
+	flush_work(&priv->qos_work);
 	pm_runtime_disable(&pdev->dev);
 	serial8250_unregister_port(priv->line);
 	cpu_latency_qos_remove_request(&priv->pm_qos_request);

drivers/tty/serial/8250/8250_port.c

@@ -661,13 +661,6 @@ int serial8250_em485_config(struct uart_port *port, struct serial_rs485 *rs485)
 		rs485->flags &= ~SER_RS485_RTS_AFTER_SEND;
 	}
 
-	/* clamp the delays to [0, 100ms] */
-	rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U);
-	rs485->delay_rts_after_send  = min(rs485->delay_rts_after_send, 100U);
-
-	memset(rs485->padding, 0, sizeof(rs485->padding));
-	port->rs485 = *rs485;
-
 	gpiod_set_value(port->rs485_term_gpio,
 			rs485->flags & SER_RS485_TERMINATE_BUS);
 
@@ -675,15 +668,8 @@ int serial8250_em485_config(struct uart_port *port, struct serial_rs485 *rs485)
 	 * Both serial8250_em485_init() and serial8250_em485_destroy()
 	 * are idempotent.
 	 */
-	if (rs485->flags & SER_RS485_ENABLED) {
+	if (rs485->flags & SER_RS485_ENABLED)
-		int ret = serial8250_em485_init(up);
+		return serial8250_em485_init(up);
-
-		if (ret) {
-			rs485->flags &= ~SER_RS485_ENABLED;
-			port->rs485.flags &= ~SER_RS485_ENABLED;
-		}
-		return ret;
-	}
 
 	serial8250_em485_destroy(up);
 	return 0;
@@ -1882,10 +1868,13 @@ EXPORT_SYMBOL_GPL(serial8250_modem_status);
 static bool handle_rx_dma(struct uart_8250_port *up, unsigned int iir)
 {
 	switch (iir & 0x3f) {
-	case UART_IIR_RX_TIMEOUT:
+	case UART_IIR_RDI:
-		serial8250_rx_dma_flush(up);
+		if (!up->dma->rx_running)
+			break;
 		fallthrough;
 	case UART_IIR_RLSI:
+	case UART_IIR_RX_TIMEOUT:
+		serial8250_rx_dma_flush(up);
 		return true;
 	}
 	return up->dma->rx_dma(up);

drivers/tty/serial/imx.c

@@ -2626,6 +2626,7 @@ static const struct dev_pm_ops imx_uart_pm_ops = {
 	.suspend_noirq = imx_uart_suspend_noirq,
 	.resume_noirq = imx_uart_resume_noirq,
 	.freeze_noirq = imx_uart_suspend_noirq,
+	.thaw_noirq = imx_uart_resume_noirq,
 	.restore_noirq = imx_uart_resume_noirq,
 	.suspend = imx_uart_suspend,
 	.resume = imx_uart_resume,

drivers/usb/chipidea/otg_fsm.c

@@ -256,8 +256,10 @@ static void ci_otg_del_timer(struct ci_hdrc *ci, enum otg_fsm_timer t)
 	ci->enabled_otg_timer_bits &= ~(1 << t);
 	if (ci->next_otg_timer == t) {
 		if (ci->enabled_otg_timer_bits == 0) {
+			spin_unlock_irqrestore(&ci->lock, flags);
 			/* No enabled timers after delete it */
 			hrtimer_cancel(&ci->otg_fsm_hrtimer);
+			spin_lock_irqsave(&ci->lock, flags);
 			ci->next_otg_timer = NUM_OTG_FSM_TIMERS;
 		} else {
 			/* Find the next timer */

drivers/usb/core/quirks.c

@@ -362,6 +362,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x0781, 0x5583), .driver_info = USB_QUIRK_NO_LPM },
 	{ USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM },
 
+	/* Realforce 87U Keyboard */
+	{ USB_DEVICE(0x0853, 0x011b), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* M-Systems Flash Disk Pioneers */
 	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
 

drivers/usb/dwc3/host.c

@@ -10,13 +10,8 @@
 #include <linux/acpi.h>
 #include <linux/platform_device.h>
 
-#include "../host/xhci-plat.h"
 #include "core.h"
 
-static const struct xhci_plat_priv dwc3_xhci_plat_priv = {
-	.quirks = XHCI_SKIP_PHY_INIT,
-};
-
 static int dwc3_host_get_irq(struct dwc3 *dwc)
 {
 	struct platform_device	*dwc3_pdev = to_platform_device(dwc->dev);
@@ -92,11 +87,6 @@ int dwc3_host_init(struct dwc3 *dwc)
 		goto err;
 	}
 
-	ret = platform_device_add_data(xhci, &dwc3_xhci_plat_priv,
-					sizeof(dwc3_xhci_plat_priv));
-	if (ret)
-		goto err;
-
 	memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));
 
 	if (dwc->usb3_lpm_capable)

drivers/usb/host/bcma-hcd.c

@@ -285,7 +285,7 @@ static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val)
 {
 	struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
 
-	if (IS_ERR_OR_NULL(usb_dev->gpio_desc))
+	if (!usb_dev->gpio_desc)
 		return;
 
 	gpiod_set_value(usb_dev->gpio_desc, val);
@@ -406,9 +406,11 @@ static int bcma_hcd_probe(struct bcma_device *core)
 		return -ENOMEM;
 	usb_dev->core = core;
 
-	if (core->dev.of_node)
+	usb_dev->gpio_desc = devm_gpiod_get_optional(&core->dev, "vcc",
-		usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc",
+						     GPIOD_OUT_HIGH);
-						    GPIOD_OUT_HIGH);
+	if (IS_ERR(usb_dev->gpio_desc))
+		return dev_err_probe(&core->dev, PTR_ERR(usb_dev->gpio_desc),
+				     "error obtaining VCC GPIO");
 
 	switch (core->id.id) {
 	case BCMA_CORE_USB20_HOST:

drivers/usb/serial/option.c

@@ -162,6 +162,8 @@ static void option_instat_callback(struct urb *urb);
 #define NOVATELWIRELESS_PRODUCT_G2		0xA010
 #define NOVATELWIRELESS_PRODUCT_MC551		0xB001
 
+#define UBLOX_VENDOR_ID				0x1546
+
 /* AMOI PRODUCTS */
 #define AMOI_VENDOR_ID				0x1614
 #define AMOI_PRODUCT_H01			0x0800
@@ -240,7 +242,6 @@ static void option_instat_callback(struct urb *urb);
 #define QUECTEL_PRODUCT_UC15			0x9090
 /* These u-blox products use Qualcomm's vendor ID */
 #define UBLOX_PRODUCT_R410M			0x90b2
-#define UBLOX_PRODUCT_R6XX			0x90fa
 /* These Yuga products use Qualcomm's vendor ID */
 #define YUGA_PRODUCT_CLM920_NC5			0x9625
 
@@ -581,6 +582,9 @@ static void option_instat_callback(struct urb *urb);
 #define OPPO_VENDOR_ID				0x22d9
 #define OPPO_PRODUCT_R11			0x276c
 
+/* Sierra Wireless products */
+#define SIERRA_VENDOR_ID			0x1199
+#define SIERRA_PRODUCT_EM9191			0x90d3
 
 /* Device flags */
 
@@ -1124,8 +1128,16 @@ static const struct usb_device_id option_ids[] = {
 	/* u-blox products using Qualcomm vendor ID */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R410M),
 	  .driver_info = RSVD(1) | RSVD(3) },
-	{ USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R6XX),
+	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x908b),	/* u-blox LARA-R6 00B */
+	  .driver_info = RSVD(4) },
+	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x90fa),
 	  .driver_info = RSVD(3) },
+	/* u-blox products */
+	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1341) },	/* u-blox LARA-L6 */
+	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1342),		/* u-blox LARA-L6 (RMNET) */
+	  .driver_info = RSVD(4) },
+	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1343),		/* u-blox LARA-L6 (ECM) */
+	  .driver_info = RSVD(4) },
 	/* Quectel products using Quectel vendor ID */
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21, 0xff, 0xff, 0xff),
 	  .driver_info = NUMEP2 },
@@ -2167,6 +2179,7 @@ static const struct usb_device_id option_ids[] = {
 	{ 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, 0x0111, 0xff) },			/* Fibocom FM160 (MBIM mode) */
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) },			/* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) },			/* Fibocom FM101-GL (laptop MBIM) */
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff),			/* Fibocom FM101-GL (laptop MBIM) */
@@ -2176,6 +2189,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) },			/* GosunCn GM500 MBIM */
 	{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) },			/* GosunCn GM500 ECM/NCM */
 	{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);

drivers/usb/typec/mux/intel_pmc_mux.c

@@ -352,13 +352,24 @@ pmc_usb_mux_usb4(struct pmc_usb_port *port, struct typec_mux_state *state)
 	return pmc_usb_command(port, (void *)&req, sizeof(req));
 }
 
-static int pmc_usb_mux_safe_state(struct pmc_usb_port *port)
+static int pmc_usb_mux_safe_state(struct pmc_usb_port *port,
+				  struct typec_mux_state *state)
 {
 	u8 msg;
 
 	if (IOM_PORT_ACTIVITY_IS(port->iom_status, SAFE_MODE))
 		return 0;
 
+	if ((IOM_PORT_ACTIVITY_IS(port->iom_status, DP) ||
+	     IOM_PORT_ACTIVITY_IS(port->iom_status, DP_MFD)) &&
+	     state->alt && state->alt->svid == USB_TYPEC_DP_SID)
+		return 0;
+
+	if ((IOM_PORT_ACTIVITY_IS(port->iom_status, TBT) ||
+	     IOM_PORT_ACTIVITY_IS(port->iom_status, ALT_MODE_TBT_USB)) &&
+	     state->alt && state->alt->svid == USB_TYPEC_TBT_SID)
+		return 0;
+
 	msg = PMC_USB_SAFE_MODE;
 	msg |= port->usb3_port << PMC_USB_MSG_USB3_PORT_SHIFT;
 
@@ -426,7 +437,7 @@ pmc_usb_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
 		return 0;
 
 	if (state->mode == TYPEC_STATE_SAFE)
-		return pmc_usb_mux_safe_state(port);
+		return pmc_usb_mux_safe_state(port, state);
 	if (state->mode == TYPEC_STATE_USB)
 		return pmc_usb_connect(port, port->role);
 

drivers/xen/pcpu.c

@@ -228,7 +228,7 @@ static int register_pcpu(struct pcpu *pcpu)
 
 	err = device_register(dev);
 	if (err) {
-		pcpu_release(dev);
+		put_device(dev);
 		return err;
 	}
 

fs/btrfs/tests/qgroup-tests.c

@@ -230,7 +230,6 @@ static int test_no_shared_qgroup(struct btrfs_root *root,
 	ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots,
 			false);
 	if (ret) {
-		ulist_free(old_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -246,7 +245,6 @@ static int test_no_shared_qgroup(struct btrfs_root *root,
 			false);
 	if (ret) {
 		ulist_free(old_roots);
-		ulist_free(new_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -258,18 +256,19 @@ static int test_no_shared_qgroup(struct btrfs_root *root,
 		return ret;
 	}
 
+	/* btrfs_qgroup_account_extent() always frees the ulists passed to it. */
+	old_roots = NULL;
+	new_roots = NULL;
+
 	if (btrfs_verify_qgroup_counts(fs_info, BTRFS_FS_TREE_OBJECTID,
 				nodesize, nodesize)) {
 		test_err("qgroup counts didn't match expected values");
 		return -EINVAL;
 	}
-	old_roots = NULL;
-	new_roots = NULL;
 
 	ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots,
 			false);
 	if (ret) {
-		ulist_free(old_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -284,7 +283,6 @@ static int test_no_shared_qgroup(struct btrfs_root *root,
 			false);
 	if (ret) {
 		ulist_free(old_roots);
-		ulist_free(new_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -335,7 +333,6 @@ static int test_multiple_refs(struct btrfs_root *root,
 	ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots,
 			false);
 	if (ret) {
-		ulist_free(old_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -351,7 +348,6 @@ static int test_multiple_refs(struct btrfs_root *root,
 			false);
 	if (ret) {
 		ulist_free(old_roots);
-		ulist_free(new_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -372,7 +368,6 @@ static int test_multiple_refs(struct btrfs_root *root,
 	ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots,
 			false);
 	if (ret) {
-		ulist_free(old_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -388,7 +383,6 @@ static int test_multiple_refs(struct btrfs_root *root,
 			false);
 	if (ret) {
 		ulist_free(old_roots);
-		ulist_free(new_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -415,7 +409,6 @@ static int test_multiple_refs(struct btrfs_root *root,
 	ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots,
 			false);
 	if (ret) {
-		ulist_free(old_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}
@@ -431,7 +424,6 @@ static int test_multiple_refs(struct btrfs_root *root,
 			false);
 	if (ret) {
 		ulist_free(old_roots);
-		ulist_free(new_roots);
 		test_err("couldn't find old roots: %d", ret);
 		return ret;
 	}

fs/buffer.c

@@ -2378,7 +2378,7 @@ int generic_cont_expand_simple(struct inode *inode, loff_t size)
 {
 	struct address_space *mapping = inode->i_mapping;
 	struct page *page;
-	void *fsdata;
+	void *fsdata = NULL;
 	int err;
 
 	err = inode_newsize_ok(inode, size);
@@ -2404,7 +2404,7 @@ static int cont_expand_zero(struct file *file, struct address_space *mapping,
 	struct inode *inode = mapping->host;
 	unsigned int blocksize = i_blocksize(inode);
 	struct page *page;
-	void *fsdata;
+	void *fsdata = NULL;
 	pgoff_t index, curidx;
 	loff_t curpos;
 	unsigned zerofrom, offset, len;

fs/cifs/ioctl.c

@@ -193,7 +193,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
 					rc = put_user(ExtAttrBits &
 						FS_FL_USER_VISIBLE,
 						(int __user *)arg);
-				if (rc != EOPNOTSUPP)
+				if (rc != -EOPNOTSUPP)
 					break;
 			}
 #endif /* CONFIG_CIFS_POSIX */
@@ -222,7 +222,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
 			 *		       pSMBFile->fid.netfid,
 			 *		       extAttrBits,
 			 *		       &ExtAttrMask);
-			 * if (rc != EOPNOTSUPP)
+			 * if (rc != -EOPNOTSUPP)
 			 *	break;
 			 */
 

fs/cifs/smb2ops.c

@@ -1256,6 +1256,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 				COMPOUND_FID, current->tgid,
 				FILE_FULL_EA_INFORMATION,
 				SMB2_O_INFO_FILE, 0, data, size);
+	if (rc)
+		goto sea_exit;
 	smb2_set_next_command(tcon, &rqst[1]);
 	smb2_set_related(&rqst[1]);
 
@@ -1266,6 +1268,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 	rqst[2].rq_nvec = 1;
 	rc = SMB2_close_init(tcon, server,
 			     &rqst[2], COMPOUND_FID, COMPOUND_FID, false);
+	if (rc)
+		goto sea_exit;
 	smb2_set_related(&rqst[2]);
 
 	rc = compound_send_recv(xid, ses, server,

fs/gfs2/ops_fstype.c

@@ -182,7 +182,10 @@ static int gfs2_check_sb(struct gfs2_sbd *sdp, int silent)
 		pr_warn("Invalid superblock size\n");
 		return -EINVAL;
 	}
-
+	if (sb->sb_bsize_shift != ffs(sb->sb_bsize) - 1) {
+		pr_warn("Invalid block size shift\n");
+		return -EINVAL;
+	}
 	return 0;
 }
 
@@ -381,8 +384,10 @@ static int init_names(struct gfs2_sbd *sdp, int silent)
 	if (!table[0])
 		table = sdp->sd_vfs->s_id;
 
-	strlcpy(sdp->sd_proto_name, proto, GFS2_FSNAME_LEN);
+	BUILD_BUG_ON(GFS2_LOCKNAME_LEN > GFS2_FSNAME_LEN);
-	strlcpy(sdp->sd_table_name, table, GFS2_FSNAME_LEN);
+
+	strscpy(sdp->sd_proto_name, proto, GFS2_LOCKNAME_LEN);
+	strscpy(sdp->sd_table_name, table, GFS2_LOCKNAME_LEN);
 
 	table = sdp->sd_table_name;
 	while ((table = strchr(table, '/')))
@@ -1414,13 +1419,13 @@ static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
 
 	switch (o) {
 	case Opt_lockproto:
-		strlcpy(args->ar_lockproto, param->string, GFS2_LOCKNAME_LEN);
+		strscpy(args->ar_lockproto, param->string, GFS2_LOCKNAME_LEN);
 		break;
 	case Opt_locktable:
-		strlcpy(args->ar_locktable, param->string, GFS2_LOCKNAME_LEN);
+		strscpy(args->ar_locktable, param->string, GFS2_LOCKNAME_LEN);
 		break;
 	case Opt_hostdata:
-		strlcpy(args->ar_hostdata, param->string, GFS2_LOCKNAME_LEN);
+		strscpy(args->ar_hostdata, param->string, GFS2_LOCKNAME_LEN);
 		break;
 	case Opt_spectator:
 		args->ar_spectator = 1;

fs/namei.c

@@ -4717,7 +4717,7 @@ int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
 {
 	struct address_space *mapping = inode->i_mapping;
 	struct page *page;
-	void *fsdata;
+	void *fsdata = NULL;
 	int err;
 	unsigned int flags = 0;
 	if (nofs)

fs/nfs/nfs4proc.c

@@ -7014,6 +7014,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
 {
 	struct nfs4_lockdata *data = calldata;
 	struct nfs4_lock_state *lsp = data->lsp;
+	struct nfs_server *server = NFS_SERVER(d_inode(data->ctx->dentry));
 
 	dprintk("%s: begin!\n", __func__);
 
@@ -7023,8 +7024,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
 	data->rpc_status = task->tk_status;
 	switch (task->tk_status) {
 	case 0:
-		renew_lease(NFS_SERVER(d_inode(data->ctx->dentry)),
+		renew_lease(server, data->timestamp);
-				data->timestamp);
 		if (data->arg.new_lock && !data->cancelled) {
 			data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS);
 			if (locks_lock_inode_wait(lsp->ls_state->inode, &data->fl) < 0)
@@ -7045,6 +7045,8 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
 			if (!nfs4_stateid_match(&data->arg.open_stateid,
 						&lsp->ls_state->open_stateid))
 				goto out_restart;
+			else if (nfs4_async_handle_error(task, server, lsp->ls_state, NULL) == -EAGAIN)
+				goto out_restart;
 		} else if (!nfs4_stateid_match(&data->arg.lock_stateid,
 						&lsp->ls_stateid))
 				goto out_restart;

fs/ntfs/attrib.c

@@ -594,17 +594,37 @@ static int ntfs_attr_find(const ATTR_TYPE type, const ntfschar *name,
 	for (;;	a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))) {
 		u8 *mrec_end = (u8 *)ctx->mrec +
 		               le32_to_cpu(ctx->mrec->bytes_allocated);
-		u8 *name_end = (u8 *)a + le16_to_cpu(a->name_offset) +
+		u8 *name_end;
-			       a->name_length * sizeof(ntfschar);
+
-		if ((u8*)a < (u8*)ctx->mrec || (u8*)a > mrec_end ||
+		/* check whether ATTR_RECORD wrap */
-		    name_end > mrec_end)
+		if ((u8 *)a < (u8 *)ctx->mrec)
 			break;
+
+		/* check whether Attribute Record Header is within bounds */
+		if ((u8 *)a > mrec_end ||
+		    (u8 *)a + sizeof(ATTR_RECORD) > mrec_end)
+			break;
+
+		/* check whether ATTR_RECORD's name is within bounds */
+		name_end = (u8 *)a + le16_to_cpu(a->name_offset) +
+			   a->name_length * sizeof(ntfschar);
+		if (name_end > mrec_end)
+			break;
+
 		ctx->attr = a;
 		if (unlikely(le32_to_cpu(a->type) > le32_to_cpu(type) ||
 				a->type == AT_END))
 			return -ENOENT;
 		if (unlikely(!a->length))
 			break;
+
+		/* check whether ATTR_RECORD's length wrap */
+		if ((u8 *)a + le32_to_cpu(a->length) < (u8 *)a)
+			break;
+		/* check whether ATTR_RECORD's length is within bounds */
+		if ((u8 *)a + le32_to_cpu(a->length) > mrec_end)
+			break;
+
 		if (a->type != type)
 			continue;
 		/*

fs/ntfs/inode.c

@@ -1829,6 +1829,13 @@ int ntfs_read_inode_mount(struct inode *vi)
 		goto err_out;
 	}
 
+	/* Sanity check offset to the first attribute */
+	if (le16_to_cpu(m->attrs_offset) >= le32_to_cpu(m->bytes_allocated)) {
+		ntfs_error(sb, "Incorrect mft offset to the first attribute %u in superblock.",
+			       le16_to_cpu(m->attrs_offset));
+		goto err_out;
+	}
+
 	/* Need this to sanity check attribute list references to $MFT. */
 	vi->i_generation = ni->seq_no = le16_to_cpu(m->sequence_number);
 

include/linux/platform_data/intel-spi.h

@@ -19,11 +19,13 @@ enum intel_spi_type {
 /**
  * struct intel_spi_boardinfo - Board specific data for Intel SPI driver
  * @type: Type which this controller is compatible with
- * @writeable: The chip is writeable
+ * @set_writeable: Try to make the chip writeable (optional)
+ * @data: Data to be passed to @set_writeable can be %NULL
  */
 struct intel_spi_boardinfo {
 	enum intel_spi_type type;
-	bool writeable;
+	bool (*set_writeable)(void __iomem *base, void *data);
+	void *data;
 };
 
 #endif /* INTEL_SPI_PDATA_H */

include/linux/ring_buffer.h

@@ -99,7 +99,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
 
 int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full);
 __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
-			  struct file *filp, poll_table *poll_table);
+			  struct file *filp, poll_table *poll_table, int full);
 void ring_buffer_wake_waiters(struct trace_buffer *buffer, int cpu);
 
 #define RING_BUFFER_ALL_CPUS -1

include/linux/stddef.h

@@ -36,4 +36,52 @@ enum {
 #define offsetofend(TYPE, MEMBER) \
 	(offsetof(TYPE, MEMBER)	+ sizeof_field(TYPE, MEMBER))
 
+/**
+ * struct_group() - Wrap a set of declarations in a mirrored struct
+ *
+ * @NAME: The identifier name of the mirrored sub-struct
+ * @MEMBERS: The member declarations for the mirrored structs
+ *
+ * Used to create an anonymous union of two structs with identical
+ * layout and size: one anonymous and one named. The former can be
+ * used normally without sub-struct naming, and the latter can be
+ * used to reason about the start, end, and size of the group of
+ * struct members.
+ */
+#define struct_group(NAME, MEMBERS...)	\
+	__struct_group(/* no tag */, NAME, /* no attrs */, MEMBERS)
+
+/**
+ * struct_group_attr() - Create a struct_group() with trailing attributes
+ *
+ * @NAME: The identifier name of the mirrored sub-struct
+ * @ATTRS: Any struct attributes to apply
+ * @MEMBERS: The member declarations for the mirrored structs
+ *
+ * Used to create an anonymous union of two structs with identical
+ * layout and size: one anonymous and one named. The former can be
+ * used normally without sub-struct naming, and the latter can be
+ * used to reason about the start, end, and size of the group of
+ * struct members. Includes structure attributes argument.
+ */
+#define struct_group_attr(NAME, ATTRS, MEMBERS...) \
+	__struct_group(/* no tag */, NAME, ATTRS, MEMBERS)
+
+/**
+ * struct_group_tagged() - Create a struct_group with a reusable tag
+ *
+ * @TAG: The tag name for the named sub-struct
+ * @NAME: The identifier name of the mirrored sub-struct
+ * @MEMBERS: The member declarations for the mirrored structs
+ *
+ * Used to create an anonymous union of two structs with identical
+ * layout and size: one anonymous and one named. The former can be
+ * used normally without sub-struct naming, and the latter can be
+ * used to reason about the start, end, and size of the group of
+ * struct members. Includes struct tag argument for the named copy,
+ * so the specified layout can be reused later.
+ */
+#define struct_group_tagged(TAG, NAME, MEMBERS...) \
+	__struct_group(TAG, NAME, /* no attrs */, MEMBERS)
+
 #endif

include/net/ip.h

@@ -558,7 +558,7 @@ static inline void iph_to_flow_copy_v4addrs(struct flow_keys *flow,
 	BUILD_BUG_ON(offsetof(typeof(flow->addrs), v4addrs.dst) !=
 		     offsetof(typeof(flow->addrs), v4addrs.src) +
 			      sizeof(flow->addrs.v4addrs.src));
-	memcpy(&flow->addrs.v4addrs, &iph->saddr, sizeof(flow->addrs.v4addrs));
+	memcpy(&flow->addrs.v4addrs, &iph->addrs, sizeof(flow->addrs.v4addrs));
 	flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
 }
 

include/net/ipv6.h

@@ -839,7 +839,7 @@ static inline void iph_to_flow_copy_v6addrs(struct flow_keys *flow,
 	BUILD_BUG_ON(offsetof(typeof(flow->addrs), v6addrs.dst) !=
 		     offsetof(typeof(flow->addrs), v6addrs.src) +
 		     sizeof(flow->addrs.v6addrs.src));
-	memcpy(&flow->addrs.v6addrs, &iph->saddr, sizeof(flow->addrs.v6addrs));
+	memcpy(&flow->addrs.v6addrs, &iph->addrs, sizeof(flow->addrs.v6addrs));
 	flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
 }
 

include/uapi/linux/ip.h

@@ -100,8 +100,10 @@ struct iphdr {
 	__u8	ttl;
 	__u8	protocol;
 	__sum16	check;
-	__be32	saddr;
+	__struct_group(/* no tag */, addrs, /* no attrs */,
-	__be32	daddr;
+		__be32	saddr;
+		__be32	daddr;
+	);
 	/*The options start here. */
 };
 

include/uapi/linux/ipv6.h

@@ -130,8 +130,10 @@ struct ipv6hdr {
 	__u8			nexthdr;
 	__u8			hop_limit;
 
-	struct	in6_addr	saddr;
+	__struct_group(/* no tag */, addrs, /* no attrs */,
-	struct	in6_addr	daddr;
+		struct	in6_addr	saddr;
+		struct	in6_addr	daddr;
+	);
 };
 
 

include/uapi/linux/stddef.h

@@ -1,6 +1,31 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_LINUX_STDDEF_H
+#define _UAPI_LINUX_STDDEF_H
+
 #include <linux/compiler_types.h>
 
 #ifndef __always_inline
 #define __always_inline inline
 #endif
+
+/**
+ * __struct_group() - Create a mirrored named and anonyomous struct
+ *
+ * @TAG: The tag name for the named sub-struct (usually empty)
+ * @NAME: The identifier name of the mirrored sub-struct
+ * @ATTRS: Any struct attributes (usually empty)
+ * @MEMBERS: The member declarations for the mirrored structs
+ *
+ * Used to create an anonymous union of two structs with identical layout
+ * and size: one anonymous and one named. The former's members can be used
+ * normally without sub-struct naming, and the latter can be used to
+ * reason about the start, end, and size of the group of struct members.
+ * The named struct can also be explicitly tagged for layer reuse, as well
+ * as both having struct attributes appended.
+ */
+#define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \
+	union { \
+		struct { MEMBERS } ATTRS; \
+		struct TAG { MEMBERS } ATTRS NAME; \
+	}
+#endif

kernel/bpf/percpu_freelist.c

@@ -102,22 +102,21 @@ void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size,
 			    u32 nr_elems)
 {
 	struct pcpu_freelist_head *head;
-	int i, cpu, pcpu_entries;
+	unsigned int cpu, cpu_idx, i, j, n, m;
 
-	pcpu_entries = nr_elems / num_possible_cpus() + 1;
+	n = nr_elems / num_possible_cpus();
-	i = 0;
+	m = nr_elems % num_possible_cpus();
 
+	cpu_idx = 0;
 	for_each_possible_cpu(cpu) {
-again:
 		head = per_cpu_ptr(s->freelist, cpu);
-		/* No locking required as this is not visible yet. */
+		j = n + (cpu_idx < m ? 1 : 0);
-		pcpu_freelist_push_node(head, buf);
+		for (i = 0; i < j; i++) {
-		i++;
+			/* No locking required as this is not visible yet. */
-		buf += elem_size;
+			pcpu_freelist_push_node(head, buf);
-		if (i == nr_elems)
+			buf += elem_size;
-			break;
+		}
-		if (i % pcpu_entries)
+		cpu_idx++;
-			goto again;
 	}
 }
 

kernel/kprobes.c

@@ -1841,7 +1841,13 @@ static int __unregister_kprobe_top(struct kprobe *p)
 				if ((list_p != p) && (list_p->post_handler))
 					goto noclean;
 			}
-			ap->post_handler = NULL;
+			/*
+			 * For the kprobe-on-ftrace case, we keep the
+			 * post_handler setting to identify this aggrprobe
+			 * armed with kprobe_ipmodify_ops.
+			 */
+			if (!kprobe_ftrace(ap))
+				ap->post_handler = NULL;
 		}
 noclean:
 		/*

kernel/trace/ftrace.c

@@ -1295,6 +1295,7 @@ static int ftrace_add_mod(struct trace_array *tr,
 	if (!ftrace_mod)
 		return -ENOMEM;
 
+	INIT_LIST_HEAD(&ftrace_mod->list);
 	ftrace_mod->func = kstrdup(func, GFP_KERNEL);
 	ftrace_mod->module = kstrdup(module, GFP_KERNEL);
 	ftrace_mod->enable = enable;
@@ -3178,7 +3179,7 @@ static int ftrace_allocate_records(struct ftrace_page *pg, int count)
 		/* if we can't allocate this size, try something smaller */
 		if (!order)
 			return -ENOMEM;
-		order >>= 1;
+		order--;
 		goto again;
 	}
 
@@ -6877,7 +6878,7 @@ void __init ftrace_init(void)
 	}
 
 	pr_info("ftrace: allocating %ld entries in %ld pages\n",
-		count, count / ENTRIES_PER_PAGE + 1);
+		count, DIV_ROUND_UP(count, ENTRIES_PER_PAGE));
 
 	last_ftrace_enabled = ftrace_enabled = 1;
 

kernel/trace/kprobe_event_gen_test.c

@@ -73,6 +73,10 @@ static struct trace_event_file *gen_kretprobe_test;
 #define KPROBE_GEN_TEST_ARG3	NULL
 #endif
 
+static bool trace_event_file_is_valid(struct trace_event_file *input)
+{
+	return input && !IS_ERR(input);
+}
 
 /*
  * Test to make sure we can create a kprobe event, then add more
@@ -139,6 +143,8 @@ static int __init test_gen_kprobe_cmd(void)
 	kfree(buf);
 	return ret;
  delete:
+	if (trace_event_file_is_valid(gen_kprobe_test))
+		gen_kprobe_test = NULL;
 	/* We got an error after creating the event, delete it */
 	ret = kprobe_event_delete("gen_kprobe_test");
 	goto out;
@@ -202,6 +208,8 @@ static int __init test_gen_kretprobe_cmd(void)
 	kfree(buf);
 	return ret;
  delete:
+	if (trace_event_file_is_valid(gen_kretprobe_test))
+		gen_kretprobe_test = NULL;
 	/* We got an error after creating the event, delete it */
 	ret = kprobe_event_delete("gen_kretprobe_test");
 	goto out;
@@ -217,10 +225,12 @@ static int __init kprobe_event_gen_test_init(void)
 
 	ret = test_gen_kretprobe_cmd();
 	if (ret) {
-		WARN_ON(trace_array_set_clr_event(gen_kretprobe_test->tr,
+		if (trace_event_file_is_valid(gen_kretprobe_test)) {
-						  "kprobes",
+			WARN_ON(trace_array_set_clr_event(gen_kretprobe_test->tr,
-						  "gen_kretprobe_test", false));
+							  "kprobes",
-		trace_put_event_file(gen_kretprobe_test);
+							  "gen_kretprobe_test", false));
+			trace_put_event_file(gen_kretprobe_test);
+		}
 		WARN_ON(kprobe_event_delete("gen_kretprobe_test"));
 	}
 
@@ -229,24 +239,30 @@ static int __init kprobe_event_gen_test_init(void)
 
 static void __exit kprobe_event_gen_test_exit(void)
 {
-	/* Disable the event or you can't remove it */
+	if (trace_event_file_is_valid(gen_kprobe_test)) {
-	WARN_ON(trace_array_set_clr_event(gen_kprobe_test->tr,
+		/* Disable the event or you can't remove it */
-					  "kprobes",
+		WARN_ON(trace_array_set_clr_event(gen_kprobe_test->tr,
-					  "gen_kprobe_test", false));
+						  "kprobes",
+						  "gen_kprobe_test", false));
+
+		/* Now give the file and instance back */
+		trace_put_event_file(gen_kprobe_test);
+	}
 
-	/* Now give the file and instance back */
-	trace_put_event_file(gen_kprobe_test);
 
 	/* Now unregister and free the event */
 	WARN_ON(kprobe_event_delete("gen_kprobe_test"));
 
-	/* Disable the event or you can't remove it */
+	if (trace_event_file_is_valid(gen_kretprobe_test)) {
-	WARN_ON(trace_array_set_clr_event(gen_kretprobe_test->tr,
+		/* Disable the event or you can't remove it */
-					  "kprobes",
+		WARN_ON(trace_array_set_clr_event(gen_kretprobe_test->tr,
-					  "gen_kretprobe_test", false));
+						  "kprobes",
+						  "gen_kretprobe_test", false));
+
+		/* Now give the file and instance back */
+		trace_put_event_file(gen_kretprobe_test);
+	}
 
-	/* Now give the file and instance back */
-	trace_put_event_file(gen_kretprobe_test);
 
 	/* Now unregister and free the event */
 	WARN_ON(kprobe_event_delete("gen_kretprobe_test"));

kernel/trace/ring_buffer.c

@@ -517,6 +517,7 @@ struct ring_buffer_per_cpu {
 	local_t				committing;
 	local_t				commits;
 	local_t				pages_touched;
+	local_t				pages_lost;
 	local_t				pages_read;
 	long				last_pages_touch;
 	size_t				shortest_full;
@@ -771,10 +772,18 @@ size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu)
 size_t ring_buffer_nr_dirty_pages(struct trace_buffer *buffer, int cpu)
 {
 	size_t read;
+	size_t lost;
 	size_t cnt;
 
 	read = local_read(&buffer->buffers[cpu]->pages_read);
+	lost = local_read(&buffer->buffers[cpu]->pages_lost);
 	cnt = local_read(&buffer->buffers[cpu]->pages_touched);
+
+	if (WARN_ON_ONCE(cnt < lost))
+		return 0;
+
+	cnt -= lost;
+
 	/* The reader can read an empty page, but not more than that */
 	if (cnt < read) {
 		WARN_ON_ONCE(read > cnt + 1);
@@ -784,6 +793,21 @@ size_t ring_buffer_nr_dirty_pages(struct trace_buffer *buffer, int cpu)
 	return cnt - read;
 }
 
+static __always_inline bool full_hit(struct trace_buffer *buffer, int cpu, int full)
+{
+	struct ring_buffer_per_cpu *cpu_buffer = buffer->buffers[cpu];
+	size_t nr_pages;
+	size_t dirty;
+
+	nr_pages = cpu_buffer->nr_pages;
+	if (!nr_pages || !full)
+		return true;
+
+	dirty = ring_buffer_nr_dirty_pages(buffer, cpu);
+
+	return (dirty * 100) > (full * nr_pages);
+}
+
 /*
  * rb_wake_up_waiters - wake up tasks waiting for ring buffer input
  *
@@ -912,22 +936,20 @@ int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full)
 		    !ring_buffer_empty_cpu(buffer, cpu)) {
 			unsigned long flags;
 			bool pagebusy;
-			size_t nr_pages;
+			bool done;
-			size_t dirty;
 
 			if (!full)
 				break;
 
 			raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags);
 			pagebusy = cpu_buffer->reader_page == cpu_buffer->commit_page;
-			nr_pages = cpu_buffer->nr_pages;
+			done = !pagebusy && full_hit(buffer, cpu, full);
-			dirty = ring_buffer_nr_dirty_pages(buffer, cpu);
+
 			if (!cpu_buffer->shortest_full ||
 			    cpu_buffer->shortest_full > full)
 				cpu_buffer->shortest_full = full;
 			raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
-			if (!pagebusy &&
+			if (done)
-			    (!nr_pages || (dirty * 100) > full * nr_pages))
 				break;
 		}
 
@@ -953,6 +975,7 @@ int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full)
  * @cpu: the cpu buffer to wait on
  * @filp: the file descriptor
  * @poll_table: The poll descriptor
+ * @full: wait until the percentage of pages are available, if @cpu != RING_BUFFER_ALL_CPUS
  *
  * If @cpu == RING_BUFFER_ALL_CPUS then the task will wake up as soon
  * as data is added to any of the @buffer's cpu buffers. Otherwise
@@ -962,14 +985,15 @@ int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full)
  * zero otherwise.
  */
 __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
-			  struct file *filp, poll_table *poll_table)
+			  struct file *filp, poll_table *poll_table, int full)
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
 	struct rb_irq_work *work;
 
-	if (cpu == RING_BUFFER_ALL_CPUS)
+	if (cpu == RING_BUFFER_ALL_CPUS) {
 		work = &buffer->irq_work;
-	else {
+		full = 0;
+	} else {
 		if (!cpumask_test_cpu(cpu, buffer->cpumask))
 			return -EINVAL;
 
@@ -977,8 +1001,14 @@ __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
 		work = &cpu_buffer->irq_work;
 	}
 
-	poll_wait(filp, &work->waiters, poll_table);
+	if (full) {
-	work->waiters_pending = true;
+		poll_wait(filp, &work->full_waiters, poll_table);
+		work->full_waiters_pending = true;
+	} else {
+		poll_wait(filp, &work->waiters, poll_table);
+		work->waiters_pending = true;
+	}
+
 	/*
 	 * There's a tight race between setting the waiters_pending and
 	 * checking if the ring buffer is empty.  Once the waiters_pending bit
@@ -994,6 +1024,9 @@ __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
 	 */
 	smp_mb();
 
+	if (full)
+		return full_hit(buffer, cpu, full) ? EPOLLIN | EPOLLRDNORM : 0;
+
 	if ((cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) ||
 	    (cpu != RING_BUFFER_ALL_CPUS && !ring_buffer_empty_cpu(buffer, cpu)))
 		return EPOLLIN | EPOLLRDNORM;
@@ -1635,9 +1668,9 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer)
 
 	free_buffer_page(cpu_buffer->reader_page);
 
-	rb_head_page_deactivate(cpu_buffer);
-
 	if (head) {
+		rb_head_page_deactivate(cpu_buffer);
+
 		list_for_each_entry_safe(bpage, tmp, head, list) {
 			list_del_init(&bpage->list);
 			free_buffer_page(bpage);
@@ -1873,6 +1906,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned long nr_pages)
 			 */
 			local_add(page_entries, &cpu_buffer->overrun);
 			local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
+			local_inc(&cpu_buffer->pages_lost);
 		}
 
 		/*
@@ -2363,6 +2397,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer,
 		 */
 		local_add(entries, &cpu_buffer->overrun);
 		local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
+		local_inc(&cpu_buffer->pages_lost);
 
 		/*
 		 * The entries will be zeroed out when we move the
@@ -3033,10 +3068,6 @@ static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer,
 static __always_inline void
 rb_wakeups(struct trace_buffer *buffer, struct ring_buffer_per_cpu *cpu_buffer)
 {
-	size_t nr_pages;
-	size_t dirty;
-	size_t full;
-
 	if (buffer->irq_work.waiters_pending) {
 		buffer->irq_work.waiters_pending = false;
 		/* irq_work_queue() supplies it's own memory barriers */
@@ -3060,10 +3091,7 @@ rb_wakeups(struct trace_buffer *buffer, struct ring_buffer_per_cpu *cpu_buffer)
 
 	cpu_buffer->last_pages_touch = local_read(&cpu_buffer->pages_touched);
 
-	full = cpu_buffer->shortest_full;
+	if (!full_hit(buffer, cpu_buffer->cpu, cpu_buffer->shortest_full))
-	nr_pages = cpu_buffer->nr_pages;
-	dirty = ring_buffer_nr_dirty_pages(buffer, cpu_buffer->cpu);
-	if (full && nr_pages && (dirty * 100) <= full * nr_pages)
 		return;
 
 	cpu_buffer->irq_work.wakeup_full = true;
@@ -4964,6 +4992,7 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
 	local_set(&cpu_buffer->committing, 0);
 	local_set(&cpu_buffer->commits, 0);
 	local_set(&cpu_buffer->pages_touched, 0);
+	local_set(&cpu_buffer->pages_lost, 0);
 	local_set(&cpu_buffer->pages_read, 0);
 	cpu_buffer->last_pages_touch = 0;
 	cpu_buffer->shortest_full = 0;

kernel/trace/synth_event_gen_test.c

@@ -120,15 +120,13 @@ static int __init test_gen_synth_cmd(void)
 
 	/* Now generate a gen_synth_test event */
 	ret = synth_event_trace_array(gen_synth_test, vals, ARRAY_SIZE(vals));
- out:
+ free:
+	kfree(buf);
 	return ret;
  delete:
 	/* We got an error after creating the event, delete it */
 	synth_event_delete("gen_synth_test");
- free:
+	goto free;
-	kfree(buf);
-
-	goto out;
 }
 
 /*
@@ -227,15 +225,13 @@ static int __init test_empty_synth_event(void)
 
 	/* Now trace an empty_synth_test event */
 	ret = synth_event_trace_array(empty_synth_test, vals, ARRAY_SIZE(vals));
- out:
+ free:
+	kfree(buf);
 	return ret;
  delete:
 	/* We got an error after creating the event, delete it */
 	synth_event_delete("empty_synth_test");
- free:
+	goto free;
-	kfree(buf);
-
-	goto out;
 }
 
 static struct synth_field_desc create_synth_test_fields[] = {

kernel/trace/trace.c

@@ -6264,7 +6264,7 @@ trace_poll(struct trace_iterator *iter, struct file *filp, poll_table *poll_tabl
 		return EPOLLIN | EPOLLRDNORM;
 	else
 		return ring_buffer_poll_wait(iter->array_buffer->buffer, iter->cpu_file,
-					     filp, poll_table);
+					     filp, poll_table, iter->tr->buffer_percent);
 }
 
 static __poll_t

kernel/trace/trace_events_synth.c

@@ -791,10 +791,9 @@ static int register_synth_event(struct synth_event *event)
 	}
 
 	ret = set_synth_event_print_fmt(call);
-	if (ret < 0) {
+	/* unregister_trace_event() will be called inside */
+	if (ret < 0)
 		trace_remove_event_call(call);
-		goto err;
-	}
  out:
 	return ret;
  err:

mm/filemap.c

@@ -3438,7 +3438,7 @@ ssize_t generic_perform_write(struct file *file,
 		unsigned long offset;	/* Offset into pagecache page */
 		unsigned long bytes;	/* Bytes to write to page */
 		size_t copied;		/* Bytes copied from user */
-		void *fsdata;
+		void *fsdata = NULL;
 
 		offset = (pos & (PAGE_SIZE - 1));
 		bytes = min_t(unsigned long, PAGE_SIZE - offset,