This is the 5.4.254 stable release

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Merge 5.4.254 into android11-5.4-lts

Changes in 5.4.254
	mmc: moxart: read scr register without changing byte order
	ipv6: adjust ndisc_is_useropt() to also return true for PIO
	dmaengine: pl330: Return DMA_PAUSED when transaction is paused
	drm/nouveau/gr: enable memory loads on helper invocation on all channels
	radix tree test suite: fix incorrect allocation size for pthreads
	x86/pkeys: Revert a5eff72597 ("x86/pkeys: Add PKRU value to init_fpstate")
	nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput
	iio: cros_ec: Fix the allocation size for cros_ec_command
	binder: fix memory leak in binder_init()
	usb-storage: alauda: Fix uninit-value in alauda_check_media()
	usb: dwc3: Properly handle processing of pending events
	usb: common: usb-conn-gpio: Prevent bailing out if initial role is none
	x86/cpu/amd: Enable Zenbleed fix for AMD Custom APU 0405
	x86/mm: Fix VDSO and VVAR placement on 5-level paging machines
	x86: Move gds_ucode_mitigated() declaration to header
	drm/nouveau/disp: Revert a NULL check inside nouveau_connector_get_modes
	selftests/rseq: Fix build with undefined __weak
	mISDN: Update parameter type of dsp_cmx_send()
	net/packet: annotate data-races around tp->status
	bonding: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves
	dccp: fix data-race around dp->dccps_mss_cache
	drivers: net: prevent tun_build_skb() to exceed the packet size limit
	IB/hfi1: Fix possible panic during hotplug remove
	wifi: cfg80211: fix sband iftype data lookup for AP_VLAN
	dmaengine: mcf-edma: Fix a potential un-allocated memory access
	net/mlx5: Allow 0 for total host VFs
	ibmvnic: Handle DMA unmapping of login buffs in release functions
	btrfs: don't stop integrity writeback too early
	btrfs: set cache_block_group_error if we find an error
	nvme-tcp: fix potential unbalanced freeze & unfreeze
	nvme-rdma: fix potential unbalanced freeze & unfreeze
	netfilter: nf_tables: report use refcount overflow
	scsi: core: Fix legacy /proc parsing buffer overflow
	scsi: storvsc: Fix handling of virtual Fibre Channel timeouts
	scsi: 53c700: Check that command slot is not NULL
	scsi: snic: Fix possible memory leak if device_add() fails
	scsi: core: Fix possible memory leak if device_add() fails
	alpha: remove __init annotation from exported page_is_ram()
	sch_netem: fix issues in netem_change() vs get_dist_table()
	Linux 5.4.254

Change-Id: I187a81acd36ef0ec486a959c626f1f06373170cc
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2023-08-23 15:06:40 +00:00
commit 38b412a16c
58 changed files with 336 additions and 193 deletions

View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 253
SUBLEVEL = 254
EXTRAVERSION =
NAME = Kleptomaniac Octopus

View File

@ -394,8 +394,7 @@ setup_memory(void *kernel_end)
extern void setup_memory(void *);
#endif /* !CONFIG_DISCONTIGMEM */
int __init
page_is_ram(unsigned long pfn)
int page_is_ram(unsigned long pfn)
{
struct memclust_struct * cluster;
struct memdesc_struct * memdesc;

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@ -222,8 +222,8 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
/* Round the lowest possible end address up to a PMD boundary. */
end = (start + len + PMD_SIZE - 1) & PMD_MASK;
if (end >= TASK_SIZE_MAX)
end = TASK_SIZE_MAX;
if (end >= DEFAULT_MAP_WINDOW)
end = DEFAULT_MAP_WINDOW;
end -= len;
if (end > start) {

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@ -976,4 +976,6 @@ enum taa_mitigations {
TAA_MITIGATION_TSX_DISABLED,
};
extern bool gds_ucode_mitigated(void);
#endif /* _ASM_X86_PROCESSOR_H */

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@ -72,6 +72,7 @@ static const int amd_erratum_1054[] =
static const int amd_zenbleed[] =
AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0x30, 0x0, 0x4f, 0xf),
AMD_MODEL_RANGE(0x17, 0x60, 0x0, 0x7f, 0xf),
AMD_MODEL_RANGE(0x17, 0x90, 0x0, 0x91, 0xf),
AMD_MODEL_RANGE(0x17, 0xa0, 0x0, 0xaf, 0xf));
static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)

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@ -450,8 +450,6 @@ static bool pku_disabled;
static __always_inline void setup_pku(struct cpuinfo_x86 *c)
{
struct pkru_state *pk;
/* check the boot processor, plus compile options for PKU: */
if (!cpu_feature_enabled(X86_FEATURE_PKU))
return;
@ -462,9 +460,6 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c)
return;
cr4_set_bits(X86_CR4_PKE);
pk = get_xsave_addr(&init_fpstate.xsave, XFEATURE_PKRU);
if (pk)
pk->pkru = init_pkru_value;
/*
* Seting X86_CR4_PKE will cause the X86_FEATURE_OSPKE
* cpuid bit to be set. We need to ensure that we

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@ -226,8 +226,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
u64 __read_mostly host_xcr0;
extern bool gds_ucode_mitigated(void);
struct kmem_cache *x86_fpu_cache;
EXPORT_SYMBOL_GPL(x86_fpu_cache);

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@ -10,7 +10,6 @@
#include <asm/cpufeature.h> /* boot_cpu_has, ... */
#include <asm/mmu_context.h> /* vma_pkey() */
#include <asm/fpu/internal.h> /* init_fpstate */
int __execute_only_pkey(struct mm_struct *mm)
{
@ -154,7 +153,6 @@ static ssize_t init_pkru_read_file(struct file *file, char __user *user_buf,
static ssize_t init_pkru_write_file(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
struct pkru_state *pk;
char buf[32];
ssize_t len;
u32 new_init_pkru;
@ -177,10 +175,6 @@ static ssize_t init_pkru_write_file(struct file *file,
return -EINVAL;
WRITE_ONCE(init_pkru_value, new_init_pkru);
pk = get_xsave_addr(&init_fpstate.xsave, XFEATURE_PKRU);
if (!pk)
return -EINVAL;
pk->pkru = new_init_pkru;
return count;
}

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@ -6545,6 +6545,7 @@ static int __init binder_init(void)
err_alloc_device_names_failed:
debugfs_remove_recursive(binder_debugfs_dir_entry_root);
binder_alloc_shrinker_exit();
return ret;
}

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@ -1086,6 +1086,12 @@ int binder_alloc_shrinker_init(void)
return ret;
}
void binder_alloc_shrinker_exit(void)
{
unregister_shrinker(&binder_shrinker);
list_lru_destroy(&binder_alloc_lru);
}
/**
* check_buffer() - verify that buffer/offset is safe to access
* @alloc: binder_alloc for this proc

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@ -125,6 +125,7 @@ extern struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc,
int pid);
extern void binder_alloc_init(struct binder_alloc *alloc);
extern int binder_alloc_shrinker_init(void);
extern void binder_alloc_shrinker_exit(void);
extern void binder_alloc_vma_close(struct binder_alloc *alloc);
extern struct binder_buffer *
binder_alloc_prepare_to_free(struct binder_alloc *alloc,

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@ -191,7 +191,13 @@ static int mcf_edma_probe(struct platform_device *pdev)
return -EINVAL;
}
chans = pdata->dma_channels;
if (!pdata->dma_channels) {
dev_info(&pdev->dev, "setting default channel number to 64");
chans = 64;
} else {
chans = pdata->dma_channels;
}
len = sizeof(*mcf_edma) + sizeof(*mcf_chan) * chans;
mcf_edma = devm_kzalloc(&pdev->dev, len, GFP_KERNEL);
if (!mcf_edma)
@ -203,11 +209,6 @@ static int mcf_edma_probe(struct platform_device *pdev)
mcf_edma->drvdata = &mcf_data;
mcf_edma->big_endian = 1;
if (!mcf_edma->n_chans) {
dev_info(&pdev->dev, "setting default channel number to 64");
mcf_edma->n_chans = 64;
}
mutex_init(&mcf_edma->fsl_edma_mutex);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

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@ -402,6 +402,12 @@ enum desc_status {
* of a channel can be BUSY at any time.
*/
BUSY,
/*
* Pause was called while descriptor was BUSY. Due to hardware
* limitations, only termination is possible for descriptors
* that have been paused.
*/
PAUSED,
/*
* Sitting on the channel work_list but xfer done
* by PL330 core
@ -2035,7 +2041,7 @@ static inline void fill_queue(struct dma_pl330_chan *pch)
list_for_each_entry(desc, &pch->work_list, node) {
/* If already submitted */
if (desc->status == BUSY)
if (desc->status == BUSY || desc->status == PAUSED)
continue;
ret = pl330_submit_req(pch->thread, desc);
@ -2322,6 +2328,7 @@ static int pl330_pause(struct dma_chan *chan)
{
struct dma_pl330_chan *pch = to_pchan(chan);
struct pl330_dmac *pl330 = pch->dmac;
struct dma_pl330_desc *desc;
unsigned long flags;
pm_runtime_get_sync(pl330->ddma.dev);
@ -2331,6 +2338,10 @@ static int pl330_pause(struct dma_chan *chan)
_stop(pch->thread);
spin_unlock(&pl330->lock);
list_for_each_entry(desc, &pch->work_list, node) {
if (desc->status == BUSY)
desc->status = PAUSED;
}
spin_unlock_irqrestore(&pch->lock, flags);
pm_runtime_mark_last_busy(pl330->ddma.dev);
pm_runtime_put_autosuspend(pl330->ddma.dev);
@ -2421,7 +2432,7 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
else if (running && desc == running)
transferred =
pl330_get_current_xferred_count(pch, desc);
else if (desc->status == BUSY)
else if (desc->status == BUSY || desc->status == PAUSED)
/*
* Busy but not running means either just enqueued,
* or finished and not yet marked done
@ -2438,6 +2449,9 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
case DONE:
ret = DMA_COMPLETE;
break;
case PAUSED:
ret = DMA_PAUSED;
break;
case PREP:
case BUSY:
ret = DMA_IN_PROGRESS;

View File

@ -955,7 +955,7 @@ nouveau_connector_get_modes(struct drm_connector *connector)
/* Determine display colour depth for everything except LVDS now,
* DP requires this before mode_valid() is called.
*/
if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS && nv_connector->native_mode)
if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
nouveau_connector_detect_depth(connector);
/* Find the native mode if this is a digital panel, if we didn't

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@ -121,6 +121,7 @@ void gk104_grctx_generate_r418800(struct gf100_gr *);
extern const struct gf100_grctx_func gk110_grctx;
void gk110_grctx_generate_r419eb0(struct gf100_gr *);
void gk110_grctx_generate_r419f78(struct gf100_gr *);
extern const struct gf100_grctx_func gk110b_grctx;
extern const struct gf100_grctx_func gk208_grctx;

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@ -916,7 +916,9 @@ static void
gk104_grctx_generate_r419f78(struct gf100_gr *gr)
{
struct nvkm_device *device = gr->base.engine.subdev.device;
nvkm_mask(device, 0x419f78, 0x00000001, 0x00000000);
/* bit 3 set disables loads in fp helper invocations, we need it enabled */
nvkm_mask(device, 0x419f78, 0x00000009, 0x00000000);
}
void

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@ -820,6 +820,15 @@ gk110_grctx_generate_r419eb0(struct gf100_gr *gr)
nvkm_mask(device, 0x419eb0, 0x00001000, 0x00001000);
}
void
gk110_grctx_generate_r419f78(struct gf100_gr *gr)
{
struct nvkm_device *device = gr->base.engine.subdev.device;
/* bit 3 set disables loads in fp helper invocations, we need it enabled */
nvkm_mask(device, 0x419f78, 0x00000008, 0x00000000);
}
const struct gf100_grctx_func
gk110_grctx = {
.main = gf100_grctx_generate_main,
@ -852,4 +861,5 @@ gk110_grctx = {
.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
.r418800 = gk104_grctx_generate_r418800,
.r419eb0 = gk110_grctx_generate_r419eb0,
.r419f78 = gk110_grctx_generate_r419f78,
};

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@ -101,4 +101,5 @@ gk110b_grctx = {
.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
.r418800 = gk104_grctx_generate_r418800,
.r419eb0 = gk110_grctx_generate_r419eb0,
.r419f78 = gk110_grctx_generate_r419f78,
};

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@ -566,4 +566,5 @@ gk208_grctx = {
.dist_skip_table = gf117_grctx_generate_dist_skip_table,
.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
.r418800 = gk104_grctx_generate_r418800,
.r419f78 = gk110_grctx_generate_r419f78,
};

View File

@ -991,4 +991,5 @@ gm107_grctx = {
.r406500 = gm107_grctx_generate_r406500,
.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
.r419e00 = gm107_grctx_generate_r419e00,
.r419f78 = gk110_grctx_generate_r419f78,
};

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@ -99,7 +99,7 @@ int cros_ec_sensors_core_init(struct platform_device *pdev,
platform_set_drvdata(pdev, indio_dev);
state->ec = ec->ec_dev;
state->msg = devm_kzalloc(&pdev->dev,
state->msg = devm_kzalloc(&pdev->dev, sizeof(*state->msg) +
max((u16)sizeof(struct ec_params_motion_sense),
state->ec->max_response), GFP_KERNEL);
if (!state->msg)

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@ -12191,6 +12191,7 @@ static void free_cntrs(struct hfi1_devdata *dd)
if (dd->synth_stats_timer.function)
del_timer_sync(&dd->synth_stats_timer);
cancel_work_sync(&dd->update_cntr_work);
ppd = (struct hfi1_pportdata *)(dd + 1);
for (i = 0; i < dd->num_pports; i++, ppd++) {
kfree(ppd->cntrs);

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@ -247,7 +247,7 @@ extern void dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp);
extern int dsp_cmx_conf(struct dsp *dsp, u32 conf_id);
extern void dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb);
extern void dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb);
extern void dsp_cmx_send(void *arg);
extern void dsp_cmx_send(struct timer_list *arg);
extern void dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb);
extern int dsp_cmx_del_conf_member(struct dsp *dsp);
extern int dsp_cmx_del_conf(struct dsp_conf *conf);

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@ -1625,7 +1625,7 @@ static u16 dsp_count; /* last sample count */
static int dsp_count_valid; /* if we have last sample count */
void
dsp_cmx_send(void *arg)
dsp_cmx_send(struct timer_list *arg)
{
struct dsp_conf *conf;
struct dsp_conf_member *member;

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@ -1200,7 +1200,7 @@ static int __init dsp_init(void)
}
/* set sample timer */
timer_setup(&dsp_spl_tl, (void *)dsp_cmx_send, 0);
timer_setup(&dsp_spl_tl, dsp_cmx_send, 0);
dsp_spl_tl.expires = jiffies + dsp_tics;
dsp_spl_jiffies = dsp_spl_tl.expires;
add_timer(&dsp_spl_tl);

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@ -339,13 +339,7 @@ static void moxart_transfer_pio(struct moxart_host *host)
return;
}
for (len = 0; len < remain && len < host->fifo_width;) {
/* SCR data must be read in big endian. */
if (data->mrq->cmd->opcode == SD_APP_SEND_SCR)
*sgp = ioread32be(host->base +
REG_DATA_WINDOW);
else
*sgp = ioread32(host->base +
REG_DATA_WINDOW);
*sgp = ioread32(host->base + REG_DATA_WINDOW);
sgp++;
len += 4;
}

View File

@ -4451,7 +4451,9 @@ void bond_setup(struct net_device *bond_dev)
bond_dev->hw_features = BOND_VLAN_FEATURES |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
NETIF_F_HW_VLAN_CTAG_FILTER |
NETIF_F_HW_VLAN_STAG_RX |
NETIF_F_HW_VLAN_STAG_FILTER;
bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4;
bond_dev->features |= bond_dev->hw_features;

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@ -873,12 +873,22 @@ static int ibmvnic_login(struct net_device *netdev)
static void release_login_buffer(struct ibmvnic_adapter *adapter)
{
if (!adapter->login_buf)
return;
dma_unmap_single(&adapter->vdev->dev, adapter->login_buf_token,
adapter->login_buf_sz, DMA_TO_DEVICE);
kfree(adapter->login_buf);
adapter->login_buf = NULL;
}
static void release_login_rsp_buffer(struct ibmvnic_adapter *adapter)
{
if (!adapter->login_rsp_buf)
return;
dma_unmap_single(&adapter->vdev->dev, adapter->login_rsp_buf_token,
adapter->login_rsp_buf_sz, DMA_FROM_DEVICE);
kfree(adapter->login_rsp_buf);
adapter->login_rsp_buf = NULL;
}
@ -4298,11 +4308,6 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
struct ibmvnic_login_buffer *login = adapter->login_buf;
int i;
dma_unmap_single(dev, adapter->login_buf_token, adapter->login_buf_sz,
DMA_TO_DEVICE);
dma_unmap_single(dev, adapter->login_rsp_buf_token,
adapter->login_rsp_buf_sz, DMA_FROM_DEVICE);
/* If the number of queues requested can't be allocated by the
* server, the login response will return with code 1. We will need
* to resend the login buffer with fewer queues requested.

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@ -211,8 +211,7 @@ static u16 mlx5_get_max_vfs(struct mlx5_core_dev *dev)
host_total_vfs = MLX5_GET(query_esw_functions_out, out,
host_params_context.host_total_vfs);
kvfree(out);
if (host_total_vfs)
return host_total_vfs;
return host_total_vfs;
}
done:

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@ -1672,7 +1672,7 @@ static bool tun_can_build_skb(struct tun_struct *tun, struct tun_file *tfile,
if (zerocopy)
return false;
if (SKB_DATA_ALIGN(len + TUN_RX_PAD) +
if (SKB_DATA_ALIGN(len + TUN_RX_PAD + XDP_PACKET_HEADROOM) +
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) > PAGE_SIZE)
return false;

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@ -905,6 +905,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new)
goto out_cleanup_connect_q;
if (!new) {
nvme_start_freeze(&ctrl->ctrl);
nvme_start_queues(&ctrl->ctrl);
if (!nvme_wait_freeze_timeout(&ctrl->ctrl, NVME_IO_TIMEOUT)) {
/*
@ -913,6 +914,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new)
* to be safe.
*/
ret = -ENODEV;
nvme_unfreeze(&ctrl->ctrl);
goto out_wait_freeze_timed_out;
}
blk_mq_update_nr_hw_queues(ctrl->ctrl.tagset,
@ -958,7 +960,6 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl,
bool remove)
{
if (ctrl->ctrl.queue_count > 1) {
nvme_start_freeze(&ctrl->ctrl);
nvme_stop_queues(&ctrl->ctrl);
nvme_sync_io_queues(&ctrl->ctrl);
nvme_rdma_stop_io_queues(ctrl);

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@ -1707,6 +1707,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new)
goto out_cleanup_connect_q;
if (!new) {
nvme_start_freeze(ctrl);
nvme_start_queues(ctrl);
if (!nvme_wait_freeze_timeout(ctrl, NVME_IO_TIMEOUT)) {
/*
@ -1715,6 +1716,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new)
* to be safe.
*/
ret = -ENODEV;
nvme_unfreeze(ctrl);
goto out_wait_freeze_timed_out;
}
blk_mq_update_nr_hw_queues(ctrl->tagset,
@ -1837,7 +1839,6 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl,
if (ctrl->queue_count <= 1)
return;
blk_mq_quiesce_queue(ctrl->admin_q);
nvme_start_freeze(ctrl);
nvme_stop_queues(ctrl);
nvme_sync_io_queues(ctrl);
nvme_tcp_stop_io_queues(ctrl);

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@ -1581,7 +1581,7 @@ NCR_700_intr(int irq, void *dev_id)
printk("scsi%d (%d:%d) PHASE MISMATCH IN SEND MESSAGE %d remain, return %p[%04x], phase %s\n", host->host_no, pun, lun, count, (void *)temp, temp - hostdata->pScript, sbcl_to_string(NCR_700_readb(host, SBCL_REG)));
#endif
resume_offset = hostdata->pScript + Ent_SendMessagePhaseMismatch;
} else if(dsp >= to32bit(&slot->pSG[0].ins) &&
} else if (slot && dsp >= to32bit(&slot->pSG[0].ins) &&
dsp <= to32bit(&slot->pSG[NCR_700_SG_SEGMENTS].ins)) {
int data_transfer = NCR_700_readl(host, DBC_REG) & 0xffffff;
int SGcount = (dsp - to32bit(&slot->pSG[0].ins))/sizeof(struct NCR_700_SG_List);

View File

@ -248,6 +248,7 @@ int raid_component_add(struct raid_template *r,struct device *raid_dev,
return 0;
err_out:
put_device(&rc->dev);
list_del(&rc->node);
rd->component_count--;
put_device(component_dev);

View File

@ -311,7 +311,7 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf,
size_t length, loff_t *ppos)
{
int host, channel, id, lun;
char *buffer, *p;
char *buffer, *end, *p;
int err;
if (!buf || length > PAGE_SIZE)
@ -326,10 +326,14 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf,
goto out;
err = -EINVAL;
if (length < PAGE_SIZE)
buffer[length] = '\0';
else if (buffer[PAGE_SIZE-1])
goto out;
if (length < PAGE_SIZE) {
end = buffer + length;
*end = '\0';
} else {
end = buffer + PAGE_SIZE - 1;
if (*end)
goto out;
}
/*
* Usage: echo "scsi add-single-device 0 1 2 3" >/proc/scsi/scsi
@ -338,10 +342,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf,
if (!strncmp("scsi add-single-device", buffer, 22)) {
p = buffer + 23;
host = simple_strtoul(p, &p, 0);
channel = simple_strtoul(p + 1, &p, 0);
id = simple_strtoul(p + 1, &p, 0);
lun = simple_strtoul(p + 1, &p, 0);
host = (p < end) ? simple_strtoul(p, &p, 0) : 0;
channel = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0;
id = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0;
lun = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0;
err = scsi_add_single_device(host, channel, id, lun);
@ -352,10 +356,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf,
} else if (!strncmp("scsi remove-single-device", buffer, 25)) {
p = buffer + 26;
host = simple_strtoul(p, &p, 0);
channel = simple_strtoul(p + 1, &p, 0);
id = simple_strtoul(p + 1, &p, 0);
lun = simple_strtoul(p + 1, &p, 0);
host = (p < end) ? simple_strtoul(p, &p, 0) : 0;
channel = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0;
id = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0;
lun = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0;
err = scsi_remove_single_device(host, channel, id, lun);
}

View File

@ -317,6 +317,7 @@ snic_tgt_create(struct snic *snic, struct snic_tgt_id *tgtid)
"Snic Tgt: device_add, with err = %d\n",
ret);
put_device(&tgt->dev);
put_device(&snic->shost->shost_gendev);
spin_lock_irqsave(snic->shost->host_lock, flags);
list_del(&tgt->list);

View File

@ -1526,10 +1526,6 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
*/
static enum blk_eh_timer_return storvsc_eh_timed_out(struct scsi_cmnd *scmnd)
{
#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
if (scmnd->device->host->transportt == fc_transport_template)
return fc_eh_timed_out(scmnd);
#endif
return BLK_EH_RESET_TIMER;
}

View File

@ -38,6 +38,7 @@ struct usb_conn_info {
struct gpio_desc *vbus_gpiod;
int id_irq;
int vbus_irq;
bool initial_detection;
};
/**
@ -82,11 +83,13 @@ static void usb_conn_detect_cable(struct work_struct *work)
dev_dbg(info->dev, "role %d/%d, gpios: id %d, vbus %d\n",
info->last_role, role, id, vbus);
if (info->last_role == role) {
if (!info->initial_detection && info->last_role == role) {
dev_warn(info->dev, "repeated role: %d\n", role);
return;
}
info->initial_detection = false;
if (info->last_role == USB_ROLE_HOST)
regulator_disable(info->vbus);
@ -206,6 +209,7 @@ static int usb_conn_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
/* Perform initial detection */
info->initial_detection = true;
usb_conn_queue_dwork(info, 0);
return 0;

View File

@ -3589,9 +3589,14 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt)
u32 reg;
if (pm_runtime_suspended(dwc->dev)) {
dwc->pending_events = true;
/*
* Trigger runtime resume. The get() function will be balanced
* after processing the pending events in dwc3_process_pending
* events().
*/
pm_runtime_get(dwc->dev);
disable_irq_nosync(dwc->irq_gadget);
dwc->pending_events = true;
return IRQ_HANDLED;
}
@ -3827,6 +3832,8 @@ void dwc3_gadget_process_pending_events(struct dwc3 *dwc)
{
if (dwc->pending_events) {
dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf);
dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf);
pm_runtime_put(dwc->dev);
dwc->pending_events = false;
enable_irq(dwc->irq_gadget);
}

View File

@ -318,7 +318,8 @@ static int alauda_get_media_status(struct us_data *us, unsigned char *data)
rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,
command, 0xc0, 0, 1, data, 2);
usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);
if (rc == USB_STOR_XFER_GOOD)
usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);
return rc;
}
@ -454,10 +455,14 @@ static int alauda_init_media(struct us_data *us)
static int alauda_check_media(struct us_data *us)
{
struct alauda_info *info = (struct alauda_info *) us->extra;
unsigned char status[2];
unsigned char *status = us->iobuf;
int rc;
rc = alauda_get_media_status(us, status);
if (rc != USB_STOR_XFER_GOOD) {
status[0] = 0xF0; /* Pretend there's no media */
status[1] = 0;
}
/* Check for no media or door open */
if ((status[0] & 0x80) || ((status[0] & 0x1F) == 0x10)

View File

@ -3989,8 +3989,11 @@ static noinline int find_free_extent(struct btrfs_root *root,
ret = 0;
}
if (unlikely(block_group->cached == BTRFS_CACHE_ERROR))
if (unlikely(block_group->cached == BTRFS_CACHE_ERROR)) {
if (!cache_block_group_error)
cache_block_group_error = -EIO;
goto loop;
}
/*
* Ok we want to try and use the cluster allocator, so

View File

@ -4024,11 +4024,12 @@ int btree_write_cache_pages(struct address_space *mapping,
free_extent_buffer(eb);
/*
* the filesystem may choose to bump up nr_to_write.
* The filesystem may choose to bump up nr_to_write.
* We have to make sure to honor the new nr_to_write
* at any time
* at any time.
*/
nr_to_write_done = wbc->nr_to_write <= 0;
nr_to_write_done = (wbc->sync_mode == WB_SYNC_NONE &&
wbc->nr_to_write <= 0);
}
pagevec_release(&pvec);
cond_resched();

View File

@ -1112,9 +1112,17 @@ int nilfs_set_file_dirty(struct inode *inode, unsigned int nr_dirty)
int __nilfs_mark_inode_dirty(struct inode *inode, int flags)
{
struct the_nilfs *nilfs = inode->i_sb->s_fs_info;
struct buffer_head *ibh;
int err;
/*
* Do not dirty inodes after the log writer has been detached
* and its nilfs_root struct has been freed.
*/
if (unlikely(nilfs_purging(nilfs)))
return 0;
err = nilfs_load_inode_block(inode, &ibh);
if (unlikely(err)) {
nilfs_msg(inode->i_sb, KERN_WARNING,

View File

@ -2845,6 +2845,7 @@ void nilfs_detach_log_writer(struct super_block *sb)
nilfs_segctor_destroy(nilfs->ns_writer);
nilfs->ns_writer = NULL;
}
set_nilfs_purging(nilfs);
/* Force to free the list of dirty files */
spin_lock(&nilfs->ns_inode_lock);
@ -2857,4 +2858,5 @@ void nilfs_detach_log_writer(struct super_block *sb)
up_write(&nilfs->ns_segctor_sem);
nilfs_dispose_list(nilfs, &garbage_list, 1);
clear_nilfs_purging(nilfs);
}

View File

@ -29,6 +29,7 @@ enum {
THE_NILFS_DISCONTINUED, /* 'next' pointer chain has broken */
THE_NILFS_GC_RUNNING, /* gc process is running */
THE_NILFS_SB_DIRTY, /* super block is dirty */
THE_NILFS_PURGING, /* disposing dirty files for cleanup */
};
/**
@ -208,6 +209,7 @@ THE_NILFS_FNS(INIT, init)
THE_NILFS_FNS(DISCONTINUED, discontinued)
THE_NILFS_FNS(GC_RUNNING, gc_running)
THE_NILFS_FNS(SB_DIRTY, sb_dirty)
THE_NILFS_FNS(PURGING, purging)
/*
* Mount option operations

View File

@ -454,6 +454,9 @@ ieee80211_get_sband_iftype_data(const struct ieee80211_supported_band *sband,
if (WARN_ON(iftype >= NL80211_IFTYPE_MAX))
return NULL;
if (iftype == NL80211_IFTYPE_AP_VLAN)
iftype = NL80211_IFTYPE_AP;
for (i = 0; i < sband->n_iftype_data; i++) {
const struct ieee80211_sband_iftype_data *data =
&sband->iftype_data[i];

View File

@ -1013,6 +1013,29 @@ int __nft_release_basechain(struct nft_ctx *ctx);
unsigned int nft_do_chain(struct nft_pktinfo *pkt, void *priv);
static inline bool nft_use_inc(u32 *use)
{
if (*use == UINT_MAX)
return false;
(*use)++;
return true;
}
static inline void nft_use_dec(u32 *use)
{
WARN_ON_ONCE((*use)-- == 0);
}
/* For error and abort path: restore use counter to previous state. */
static inline void nft_use_inc_restore(u32 *use)
{
WARN_ON_ONCE(!nft_use_inc(use));
}
#define nft_use_dec_restore nft_use_dec
/**
* struct nft_table - nf_tables table
*
@ -1082,8 +1105,8 @@ struct nft_object {
struct list_head list;
struct rhlist_head rhlhead;
struct nft_object_hash_key key;
u32 genmask:2,
use:30;
u32 genmask:2;
u32 use;
u64 handle;
/* runtime data below here */
const struct nft_object_ops *ops ____cacheline_aligned;
@ -1185,8 +1208,8 @@ struct nft_flowtable {
int hooknum;
int priority;
int ops_len;
u32 genmask:2,
use:30;
u32 genmask:2;
u32 use;
u64 handle;
/* runtime data below here */
struct nf_hook_ops *ops ____cacheline_aligned;

View File

@ -185,7 +185,7 @@ unsigned int dccp_sync_mss(struct sock *sk, u32 pmtu)
/* And store cached results */
icsk->icsk_pmtu_cookie = pmtu;
dp->dccps_mss_cache = cur_mps;
WRITE_ONCE(dp->dccps_mss_cache, cur_mps);
return cur_mps;
}

View File

@ -644,7 +644,7 @@ static int do_dccp_getsockopt(struct sock *sk, int level, int optname,
return dccp_getsockopt_service(sk, len,
(__be32 __user *)optval, optlen);
case DCCP_SOCKOPT_GET_CUR_MPS:
val = dp->dccps_mss_cache;
val = READ_ONCE(dp->dccps_mss_cache);
break;
case DCCP_SOCKOPT_AVAILABLE_CCIDS:
return ccid_getsockopt_builtin_ccids(sk, len, optval, optlen);
@ -766,7 +766,7 @@ int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
trace_dccp_probe(sk, len);
if (len > dp->dccps_mss_cache)
if (len > READ_ONCE(dp->dccps_mss_cache))
return -EMSGSIZE;
lock_sock(sk);
@ -799,6 +799,12 @@ int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
goto out_discard;
}
/* We need to check dccps_mss_cache after socket is locked. */
if (len > dp->dccps_mss_cache) {
rc = -EMSGSIZE;
goto out_discard;
}
skb_reserve(skb, sk->sk_prot->max_header);
rc = memcpy_from_msg(skb_put(skb, len), msg, len);
if (rc != 0)

View File

@ -194,7 +194,8 @@ static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
static inline int ndisc_is_useropt(const struct net_device *dev,
struct nd_opt_hdr *opt)
{
return opt->nd_opt_type == ND_OPT_RDNSS ||
return opt->nd_opt_type == ND_OPT_PREFIX_INFO ||
opt->nd_opt_type == ND_OPT_RDNSS ||
opt->nd_opt_type == ND_OPT_DNSSL ||
opt->nd_opt_type == ND_OPT_CAPTIVE_PORTAL ||
opt->nd_opt_type == ND_OPT_PREF64 ||

View File

@ -282,7 +282,7 @@ static int nft_delchain(struct nft_ctx *ctx)
if (IS_ERR(trans))
return PTR_ERR(trans);
ctx->table->use--;
nft_use_dec(&ctx->table->use);
nft_deactivate_next(ctx->net, ctx->chain);
return 0;
@ -323,7 +323,7 @@ nf_tables_delrule_deactivate(struct nft_ctx *ctx, struct nft_rule *rule)
/* You cannot delete the same rule twice */
if (nft_is_active_next(ctx->net, rule)) {
nft_deactivate_next(ctx->net, rule);
ctx->chain->use--;
nft_use_dec(&ctx->chain->use);
return 0;
}
return -ENOENT;
@ -412,7 +412,7 @@ static int nft_delset(const struct nft_ctx *ctx, struct nft_set *set)
return err;
nft_deactivate_next(ctx->net, set);
ctx->table->use--;
nft_use_dec(&ctx->table->use);
return err;
}
@ -444,7 +444,7 @@ static int nft_delobj(struct nft_ctx *ctx, struct nft_object *obj)
return err;
nft_deactivate_next(ctx->net, obj);
ctx->table->use--;
nft_use_dec(&ctx->table->use);
return err;
}
@ -478,7 +478,7 @@ static int nft_delflowtable(struct nft_ctx *ctx,
return err;
nft_deactivate_next(ctx->net, flowtable);
ctx->table->use--;
nft_use_dec(&ctx->table->use);
return err;
}
@ -1715,9 +1715,6 @@ static int nf_tables_addchain(struct nft_ctx *ctx, u8 family, u8 genmask,
struct nft_rule **rules;
int err;
if (table->use == UINT_MAX)
return -EOVERFLOW;
if (nla[NFTA_CHAIN_HOOK]) {
struct nft_chain_hook hook;
struct nf_hook_ops *ops;
@ -1794,6 +1791,11 @@ static int nf_tables_addchain(struct nft_ctx *ctx, u8 family, u8 genmask,
if (err < 0)
goto err1;
if (!nft_use_inc(&table->use)) {
err = -EMFILE;
goto err_use;
}
err = rhltable_insert_key(&table->chains_ht, chain->name,
&chain->rhlhead, nft_chain_ht_params);
if (err)
@ -1811,11 +1813,12 @@ static int nf_tables_addchain(struct nft_ctx *ctx, u8 family, u8 genmask,
if (nft_is_base_chain(chain))
nft_trans_chain_policy(trans) = policy;
table->use++;
list_add_tail_rcu(&chain->list, &table->chains);
return 0;
err2:
nft_use_dec_restore(&table->use);
err_use:
nf_tables_unregister_hook(net, table, chain);
err1:
nf_tables_chain_destroy(ctx);
@ -2831,9 +2834,6 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
return -EINVAL;
handle = nf_tables_alloc_handle(table);
if (chain->use == UINT_MAX)
return -EOVERFLOW;
if (nla[NFTA_RULE_POSITION]) {
pos_handle = be64_to_cpu(nla_get_be64(nla[NFTA_RULE_POSITION]));
old_rule = __nft_rule_lookup(chain, pos_handle);
@ -2915,16 +2915,21 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
expr = nft_expr_next(expr);
}
if (!nft_use_inc(&chain->use)) {
err = -EMFILE;
goto err2;
}
if (nlh->nlmsg_flags & NLM_F_REPLACE) {
trans = nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule);
if (trans == NULL) {
err = -ENOMEM;
goto err2;
goto err_destroy_flow_rule;
}
err = nft_delrule(&ctx, old_rule);
if (err < 0) {
nft_trans_destroy(trans);
goto err2;
goto err_destroy_flow_rule;
}
list_add_tail_rcu(&rule->list, &old_rule->list);
@ -2932,7 +2937,7 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
trans = nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule);
if (!trans) {
err = -ENOMEM;
goto err2;
goto err_destroy_flow_rule;
}
if (nlh->nlmsg_flags & NLM_F_APPEND) {
@ -2948,7 +2953,6 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
}
}
kvfree(info);
chain->use++;
if (nft_net->validate_state == NFT_VALIDATE_DO)
return nft_table_validate(net, table);
@ -2962,6 +2966,9 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
}
return 0;
err_destroy_flow_rule:
nft_use_dec_restore(&chain->use);
err2:
nft_rule_expr_deactivate(&ctx, rule, NFT_TRANS_PREPARE_ERROR);
nf_tables_rule_destroy(&ctx, rule);
@ -3775,10 +3782,15 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
if (ops->privsize != NULL)
size = ops->privsize(nla, &desc);
if (!nft_use_inc(&table->use)) {
err = -EMFILE;
goto err1;
}
set = kvzalloc(sizeof(*set) + size + udlen, GFP_KERNEL);
if (!set) {
err = -ENOMEM;
goto err1;
goto err_alloc;
}
name = nla_strdup(nla[NFTA_SET_NAME], GFP_KERNEL);
@ -3825,7 +3837,7 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
goto err4;
list_add_tail_rcu(&set->list, &table->sets);
table->use++;
return 0;
err4:
@ -3834,6 +3846,8 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
kfree(set->name);
err2:
kvfree(set);
err_alloc:
nft_use_dec_restore(&table->use);
err1:
module_put(to_set_type(ops)->owner);
return err;
@ -3920,9 +3934,6 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set,
struct nft_set_binding *i;
struct nft_set_iter iter;
if (set->use == UINT_MAX)
return -EOVERFLOW;
if (!list_empty(&set->bindings) && nft_set_is_anonymous(set))
return -EBUSY;
@ -3947,10 +3958,12 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set,
return iter.err;
}
bind:
if (!nft_use_inc(&set->use))
return -EMFILE;
binding->chain = ctx->chain;
list_add_tail_rcu(&binding->list, &set->bindings);
nft_set_trans_bind(ctx, set);
set->use++;
return 0;
}
@ -3974,7 +3987,7 @@ void nf_tables_activate_set(const struct nft_ctx *ctx, struct nft_set *set)
if (nft_set_is_anonymous(set))
nft_clear(ctx->net, set);
set->use++;
nft_use_inc_restore(&set->use);
}
EXPORT_SYMBOL_GPL(nf_tables_activate_set);
@ -3990,17 +4003,17 @@ void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set,
else
list_del_rcu(&binding->list);
set->use--;
nft_use_dec(&set->use);
break;
case NFT_TRANS_PREPARE:
if (nft_set_is_anonymous(set))
nft_deactivate_next(ctx->net, set);
set->use--;
nft_use_dec(&set->use);
return;
case NFT_TRANS_ABORT:
case NFT_TRANS_RELEASE:
set->use--;
nft_use_dec(&set->use);
/* fall through */
default:
nf_tables_unbind_set(ctx, set, binding,
@ -4585,7 +4598,7 @@ void nft_set_elem_destroy(const struct nft_set *set, void *elem,
}
}
if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
(*nft_set_ext_obj(ext))->use--;
nft_use_dec(&(*nft_set_ext_obj(ext))->use);
kfree(elem);
}
EXPORT_SYMBOL_GPL(nft_set_elem_destroy);
@ -4706,8 +4719,16 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
set->objtype, genmask);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
obj = NULL;
goto err2;
}
if (!nft_use_inc(&obj->use)) {
err = -EMFILE;
obj = NULL;
goto err2;
}
nft_set_ext_add(&tmpl, NFT_SET_EXT_OBJREF);
}
@ -4772,10 +4793,8 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
udata->len = ulen - 1;
nla_memcpy(&udata->data, nla[NFTA_SET_ELEM_USERDATA], ulen);
}
if (obj) {
if (obj)
*nft_set_ext_obj(ext) = obj;
obj->use++;
}
trans = nft_trans_elem_alloc(ctx, NFT_MSG_NEWSETELEM, set);
if (trans == NULL)
@ -4821,13 +4840,14 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
err5:
kfree(trans);
err4:
if (obj)
obj->use--;
kfree(elem.priv);
err3:
if (nla[NFTA_SET_ELEM_DATA] != NULL)
nft_data_release(&elem.data.val, desc.type);
err2:
if (obj)
nft_use_dec_restore(&obj->use);
nft_data_release(&elem.key.val, NFT_DATA_VALUE);
err1:
return err;
@ -4887,11 +4907,14 @@ static int nf_tables_newsetelem(struct net *net, struct sock *nlsk,
*/
void nft_data_hold(const struct nft_data *data, enum nft_data_types type)
{
struct nft_chain *chain;
if (type == NFT_DATA_VERDICT) {
switch (data->verdict.code) {
case NFT_JUMP:
case NFT_GOTO:
data->verdict.chain->use++;
chain = data->verdict.chain;
nft_use_inc_restore(&chain->use);
break;
}
}
@ -4906,7 +4929,7 @@ static void nft_set_elem_activate(const struct net *net,
if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
nft_data_hold(nft_set_ext_data(ext), set->dtype);
if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
(*nft_set_ext_obj(ext))->use++;
nft_use_inc_restore(&(*nft_set_ext_obj(ext))->use);
}
static void nft_set_elem_deactivate(const struct net *net,
@ -4918,7 +4941,7 @@ static void nft_set_elem_deactivate(const struct net *net,
if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
nft_data_release(nft_set_ext_data(ext), set->dtype);
if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
(*nft_set_ext_obj(ext))->use--;
nft_use_dec(&(*nft_set_ext_obj(ext))->use);
}
static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
@ -5375,9 +5398,14 @@ static int nf_tables_newobj(struct net *net, struct sock *nlsk,
nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
if (!nft_use_inc(&table->use))
return -EMFILE;
type = nft_obj_type_get(net, objtype);
if (IS_ERR(type))
return PTR_ERR(type);
if (IS_ERR(type)) {
err = PTR_ERR(type);
goto err_type;
}
obj = nft_obj_init(&ctx, type, nla[NFTA_OBJ_DATA]);
if (IS_ERR(obj)) {
@ -5403,7 +5431,7 @@ static int nf_tables_newobj(struct net *net, struct sock *nlsk,
goto err4;
list_add_tail_rcu(&obj->list, &table->objects);
table->use++;
return 0;
err4:
/* queued in transaction log */
@ -5417,6 +5445,9 @@ static int nf_tables_newobj(struct net *net, struct sock *nlsk,
kfree(obj);
err1:
module_put(type->owner);
err_type:
nft_use_dec_restore(&table->use);
return err;
}
@ -5761,7 +5792,7 @@ void nf_tables_deactivate_flowtable(const struct nft_ctx *ctx,
case NFT_TRANS_PREPARE:
case NFT_TRANS_ABORT:
case NFT_TRANS_RELEASE:
flowtable->use--;
nft_use_dec(&flowtable->use);
/* fall through */
default:
return;
@ -5967,9 +5998,14 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
if (!nft_use_inc(&table->use))
return -EMFILE;
flowtable = kzalloc(sizeof(*flowtable), GFP_KERNEL);
if (!flowtable)
return -ENOMEM;
if (!flowtable) {
err = -ENOMEM;
goto flowtable_alloc;
}
flowtable->table = table;
flowtable->handle = nf_tables_alloc_handle(table);
@ -6023,7 +6059,6 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
goto err6;
list_add_tail_rcu(&flowtable->list, &table->flowtables);
table->use++;
return 0;
err6:
@ -6041,6 +6076,9 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
kfree(flowtable->name);
err1:
kfree(flowtable);
flowtable_alloc:
nft_use_dec_restore(&table->use);
return err;
}
@ -7033,7 +7071,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
*/
if (nft_set_is_anonymous(nft_trans_set(trans)) &&
!list_empty(&nft_trans_set(trans)->bindings))
trans->ctx.table->use--;
nft_use_dec(&trans->ctx.table->use);
nf_tables_set_notify(&trans->ctx, nft_trans_set(trans),
NFT_MSG_NEWSET, GFP_KERNEL);
@ -7186,7 +7224,7 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
kfree(nft_trans_chain_name(trans));
nft_trans_destroy(trans);
} else {
trans->ctx.table->use--;
nft_use_dec_restore(&trans->ctx.table->use);
nft_chain_del(trans->ctx.chain);
nf_tables_unregister_hook(trans->ctx.net,
trans->ctx.table,
@ -7194,25 +7232,25 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
}
break;
case NFT_MSG_DELCHAIN:
trans->ctx.table->use++;
nft_use_inc_restore(&trans->ctx.table->use);
nft_clear(trans->ctx.net, trans->ctx.chain);
nft_trans_destroy(trans);
break;
case NFT_MSG_NEWRULE:
trans->ctx.chain->use--;
nft_use_dec_restore(&trans->ctx.chain->use);
list_del_rcu(&nft_trans_rule(trans)->list);
nft_rule_expr_deactivate(&trans->ctx,
nft_trans_rule(trans),
NFT_TRANS_ABORT);
break;
case NFT_MSG_DELRULE:
trans->ctx.chain->use++;
nft_use_inc_restore(&trans->ctx.chain->use);
nft_clear(trans->ctx.net, nft_trans_rule(trans));
nft_rule_expr_activate(&trans->ctx, nft_trans_rule(trans));
nft_trans_destroy(trans);
break;
case NFT_MSG_NEWSET:
trans->ctx.table->use--;
nft_use_dec_restore(&trans->ctx.table->use);
if (nft_trans_set_bound(trans)) {
nft_trans_destroy(trans);
break;
@ -7220,7 +7258,7 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
list_del_rcu(&nft_trans_set(trans)->list);
break;
case NFT_MSG_DELSET:
trans->ctx.table->use++;
nft_use_inc_restore(&trans->ctx.table->use);
nft_clear(trans->ctx.net, nft_trans_set(trans));
nft_trans_destroy(trans);
break;
@ -7247,23 +7285,23 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
nft_obj_destroy(&trans->ctx, nft_trans_obj_newobj(trans));
nft_trans_destroy(trans);
} else {
trans->ctx.table->use--;
nft_use_dec_restore(&trans->ctx.table->use);
nft_obj_del(nft_trans_obj(trans));
}
break;
case NFT_MSG_DELOBJ:
trans->ctx.table->use++;
nft_use_inc_restore(&trans->ctx.table->use);
nft_clear(trans->ctx.net, nft_trans_obj(trans));
nft_trans_destroy(trans);
break;
case NFT_MSG_NEWFLOWTABLE:
trans->ctx.table->use--;
nft_use_dec_restore(&trans->ctx.table->use);
list_del_rcu(&nft_trans_flowtable(trans)->list);
nft_unregister_flowtable_net_hooks(net,
nft_trans_flowtable(trans));
break;
case NFT_MSG_DELFLOWTABLE:
trans->ctx.table->use++;
nft_use_inc_restore(&trans->ctx.table->use);
nft_clear(trans->ctx.net, nft_trans_flowtable(trans));
nft_trans_destroy(trans);
break;
@ -7689,8 +7727,9 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
return PTR_ERR(chain);
if (nft_is_base_chain(chain))
return -EOPNOTSUPP;
if (!nft_use_inc(&chain->use))
return -EMFILE;
chain->use++;
data->verdict.chain = chain;
break;
}
@ -7702,10 +7741,13 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
static void nft_verdict_uninit(const struct nft_data *data)
{
struct nft_chain *chain;
switch (data->verdict.code) {
case NFT_JUMP:
case NFT_GOTO:
data->verdict.chain->use--;
chain = data->verdict.chain;
nft_use_dec(&chain->use);
break;
}
}
@ -7859,11 +7901,11 @@ int __nft_release_basechain(struct nft_ctx *ctx)
nf_tables_unregister_hook(ctx->net, ctx->chain->table, ctx->chain);
list_for_each_entry_safe(rule, nr, &ctx->chain->rules, list) {
list_del(&rule->list);
ctx->chain->use--;
nft_use_dec(&ctx->chain->use);
nf_tables_rule_release(ctx, rule);
}
nft_chain_del(ctx->chain);
ctx->table->use--;
nft_use_dec(&ctx->table->use);
nf_tables_chain_destroy(ctx);
return 0;
@ -7900,29 +7942,29 @@ static void __nft_release_table(struct net *net, struct nft_table *table)
ctx.chain = chain;
list_for_each_entry_safe(rule, nr, &chain->rules, list) {
list_del(&rule->list);
chain->use--;
nft_use_dec(&chain->use);
nf_tables_rule_release(&ctx, rule);
}
}
list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) {
list_del(&flowtable->list);
table->use--;
nft_use_dec(&table->use);
nf_tables_flowtable_destroy(flowtable);
}
list_for_each_entry_safe(set, ns, &table->sets, list) {
list_del(&set->list);
table->use--;
nft_use_dec(&table->use);
nft_set_destroy(set);
}
list_for_each_entry_safe(obj, ne, &table->objects, list) {
nft_obj_del(obj);
table->use--;
nft_use_dec(&table->use);
nft_obj_destroy(&ctx, obj);
}
list_for_each_entry_safe(chain, nc, &table->chains, list) {
ctx.chain = chain;
nft_chain_del(chain);
table->use--;
nft_use_dec(&table->use);
nf_tables_chain_destroy(&ctx);
}
list_del(&table->list);

View File

@ -171,8 +171,10 @@ static int nft_flow_offload_init(const struct nft_ctx *ctx,
if (IS_ERR(flowtable))
return PTR_ERR(flowtable);
if (!nft_use_inc(&flowtable->use))
return -EMFILE;
priv->flowtable = flowtable;
flowtable->use++;
return nf_ct_netns_get(ctx->net, ctx->family);
}
@ -191,7 +193,7 @@ static void nft_flow_offload_activate(const struct nft_ctx *ctx,
{
struct nft_flow_offload *priv = nft_expr_priv(expr);
priv->flowtable->use++;
nft_use_inc_restore(&priv->flowtable->use);
}
static void nft_flow_offload_destroy(const struct nft_ctx *ctx,

View File

@ -41,8 +41,10 @@ static int nft_objref_init(const struct nft_ctx *ctx,
if (IS_ERR(obj))
return -ENOENT;
if (!nft_use_inc(&obj->use))
return -EMFILE;
nft_objref_priv(expr) = obj;
obj->use++;
return 0;
}
@ -71,7 +73,7 @@ static void nft_objref_deactivate(const struct nft_ctx *ctx,
if (phase == NFT_TRANS_COMMIT)
return;
obj->use--;
nft_use_dec(&obj->use);
}
static void nft_objref_activate(const struct nft_ctx *ctx,
@ -79,7 +81,7 @@ static void nft_objref_activate(const struct nft_ctx *ctx,
{
struct nft_object *obj = nft_objref_priv(expr);
obj->use++;
nft_use_inc_restore(&obj->use);
}
static struct nft_expr_type nft_objref_type;

View File

@ -363,18 +363,20 @@ static void __packet_set_status(struct packet_sock *po, void *frame, int status)
{
union tpacket_uhdr h;
/* WRITE_ONCE() are paired with READ_ONCE() in __packet_get_status */
h.raw = frame;
switch (po->tp_version) {
case TPACKET_V1:
h.h1->tp_status = status;
WRITE_ONCE(h.h1->tp_status, status);
flush_dcache_page(pgv_to_page(&h.h1->tp_status));
break;
case TPACKET_V2:
h.h2->tp_status = status;
WRITE_ONCE(h.h2->tp_status, status);
flush_dcache_page(pgv_to_page(&h.h2->tp_status));
break;
case TPACKET_V3:
h.h3->tp_status = status;
WRITE_ONCE(h.h3->tp_status, status);
flush_dcache_page(pgv_to_page(&h.h3->tp_status));
break;
default:
@ -391,17 +393,19 @@ static int __packet_get_status(const struct packet_sock *po, void *frame)
smp_rmb();
/* READ_ONCE() are paired with WRITE_ONCE() in __packet_set_status */
h.raw = frame;
switch (po->tp_version) {
case TPACKET_V1:
flush_dcache_page(pgv_to_page(&h.h1->tp_status));
return h.h1->tp_status;
return READ_ONCE(h.h1->tp_status);
case TPACKET_V2:
flush_dcache_page(pgv_to_page(&h.h2->tp_status));
return h.h2->tp_status;
return READ_ONCE(h.h2->tp_status);
case TPACKET_V3:
flush_dcache_page(pgv_to_page(&h.h3->tp_status));
return h.h3->tp_status;
return READ_ONCE(h.h3->tp_status);
default:
WARN(1, "TPACKET version not supported.\n");
BUG();

View File

@ -773,12 +773,10 @@ static void dist_free(struct disttable *d)
* signed 16 bit values.
*/
static int get_dist_table(struct Qdisc *sch, struct disttable **tbl,
const struct nlattr *attr)
static int get_dist_table(struct disttable **tbl, const struct nlattr *attr)
{
size_t n = nla_len(attr)/sizeof(__s16);
const __s16 *data = nla_data(attr);
spinlock_t *root_lock;
struct disttable *d;
int i;
@ -793,13 +791,7 @@ static int get_dist_table(struct Qdisc *sch, struct disttable **tbl,
for (i = 0; i < n; i++)
d->table[i] = data[i];
root_lock = qdisc_root_sleeping_lock(sch);
spin_lock_bh(root_lock);
swap(*tbl, d);
spin_unlock_bh(root_lock);
dist_free(d);
*tbl = d;
return 0;
}
@ -956,6 +948,8 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
{
struct netem_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_NETEM_MAX + 1];
struct disttable *delay_dist = NULL;
struct disttable *slot_dist = NULL;
struct tc_netem_qopt *qopt;
struct clgstate old_clg;
int old_loss_model = CLG_RANDOM;
@ -969,6 +963,18 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
if (ret < 0)
return ret;
if (tb[TCA_NETEM_DELAY_DIST]) {
ret = get_dist_table(&delay_dist, tb[TCA_NETEM_DELAY_DIST]);
if (ret)
goto table_free;
}
if (tb[TCA_NETEM_SLOT_DIST]) {
ret = get_dist_table(&slot_dist, tb[TCA_NETEM_SLOT_DIST]);
if (ret)
goto table_free;
}
sch_tree_lock(sch);
/* backup q->clg and q->loss_model */
old_clg = q->clg;
@ -978,26 +984,17 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
ret = get_loss_clg(q, tb[TCA_NETEM_LOSS]);
if (ret) {
q->loss_model = old_loss_model;
q->clg = old_clg;
goto unlock;
}
} else {
q->loss_model = CLG_RANDOM;
}
if (tb[TCA_NETEM_DELAY_DIST]) {
ret = get_dist_table(sch, &q->delay_dist,
tb[TCA_NETEM_DELAY_DIST]);
if (ret)
goto get_table_failure;
}
if (tb[TCA_NETEM_SLOT_DIST]) {
ret = get_dist_table(sch, &q->slot_dist,
tb[TCA_NETEM_SLOT_DIST]);
if (ret)
goto get_table_failure;
}
if (delay_dist)
swap(q->delay_dist, delay_dist);
if (slot_dist)
swap(q->slot_dist, slot_dist);
sch->limit = qopt->limit;
q->latency = PSCHED_TICKS2NS(qopt->latency);
@ -1047,17 +1044,11 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
unlock:
sch_tree_unlock(sch);
table_free:
dist_free(delay_dist);
dist_free(slot_dist);
return ret;
get_table_failure:
/* recover clg and loss_model, in case of
* q->clg and q->loss_model were modified
* in get_loss_clg()
*/
q->clg = old_clg;
q->loss_model = old_loss_model;
goto unlock;
}
static int netem_init(struct Qdisc *sch, struct nlattr *opt,

View File

@ -177,7 +177,7 @@ void regression1_test(void)
nr_threads = 2;
pthread_barrier_init(&worker_barrier, NULL, nr_threads);
threads = malloc(nr_threads * sizeof(pthread_t *));
threads = malloc(nr_threads * sizeof(*threads));
for (i = 0; i < nr_threads; i++) {
arg = i;

View File

@ -4,8 +4,10 @@ ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
CLANG_FLAGS += -no-integrated-as
endif
top_srcdir = ../../../..
CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L$(OUTPUT) -Wl,-rpath=./ \
$(CLANG_FLAGS)
$(CLANG_FLAGS) -I$(top_srcdir)/tools/include
LDLIBS += -lpthread -ldl
# Own dependencies because we only want to build against 1st prerequisite, but

View File

@ -29,6 +29,8 @@
#include <dlfcn.h>
#include <stddef.h>
#include <linux/compiler.h>
#include "../kselftest.h"
#include "rseq.h"