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Merge android-4.19-q.91 (663a25d) into msm-4.19

Browse source 
* refs/heads/tmp-663a25d:
  Linux 4.19.91
  xhci: fix USB3 device initiated resume race with roothub autosuspend
  drm/radeon: fix r1xx/r2xx register checker for POT textures
  scsi: qla2xxx: Change discovery state before PLOGI
  scsi: iscsi: Fix a potential deadlock in the timeout handler
  dm btree: increase rebalance threshold in __rebalance2()
  dm mpath: remove harmful bio-based optimization
  drm: meson: venc: cvbs: fix CVBS mode matching
  dma-buf: Fix memory leak in sync_file_merge()
  vfio/pci: call irq_bypass_unregister_producer() before freeing irq
  ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
  ARM: dts: s3c64xx: Fix init order of clock providers
  CIFS: Close open handle after interrupted close
  CIFS: Respect O_SYNC and O_DIRECT flags during reconnect
  cifs: Don't display RDMA transport on reconnect
  cifs: smbd: Return -EINVAL when the number of iovs exceeds SMBDIRECT_MAX_SGE
  cifs: smbd: Add messages on RDMA session destroy and reconnection
  cifs: smbd: Return -EAGAIN when transport is reconnecting
  rpmsg: glink: Free pending deferred work on remove
  rpmsg: glink: Don't send pending rx_done during remove
  rpmsg: glink: Fix rpmsg_register_device err handling
  rpmsg: glink: Put an extra reference during cleanup
  rpmsg: glink: Fix use after free in open_ack TIMEOUT case
  rpmsg: glink: Fix reuse intents memory leak issue
  rpmsg: glink: Set tail pointer to 0 at end of FIFO
  xtensa: fix TLB sanity checker
  PCI: Apply Cavium ACS quirk to ThunderX2 and ThunderX3
  PCI/MSI: Fix incorrect MSI-X masking on resume
  PCI: Fix Intel ACS quirk UPDCR register address
  PCI: pciehp: Avoid returning prematurely from sysfs requests
  PCI/PM: Always return devices to D0 when thawing
  mmc: block: Add CMD13 polling for MMC IOCTLS with R1B response
  mmc: block: Make card_busy_detect() a bit more generic
  Revert "arm64: preempt: Fix big-endian when checking preempt count in assembly"
  tcp: Protect accesses to .ts_recent_stamp with {READ,WRITE}_ONCE()
  tcp: tighten acceptance of ACKs not matching a child socket
  tcp: fix rejected syncookies due to stale timestamps
  net/mlx5e: Query global pause state before setting prio2buffer
  tipc: fix ordering of tipc module init and exit routine
  tcp: md5: fix potential overestimation of TCP option space
  openvswitch: support asymmetric conntrack
  net: thunderx: start phy before starting autonegotiation
  net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues
  net: ethernet: ti: cpsw: fix extra rx interrupt
  net: dsa: fix flow dissection on Tx path
  net: bridge: deny dev_set_mac_address() when unregistering
  mqprio: Fix out-of-bounds access in mqprio_dump
  inet: protect against too small mtu values.

Conflicts:
	drivers/rpmsg/qcom_glink_native.c
	drivers/rpmsg/qcom_glink_smem.c

Change-Id: I3a55edc48885ed6fc61853c59fcd78a9838a6ad4
Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org>
This commit is contained in:
Ivaylo Georgiev 2020-02-03 21:37:32 -08:00
commit ae4713530b
50 changed files with 401 additions and 266 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Makefile
View file

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
SUBLEVEL = 90
SUBLEVEL = 91
EXTRAVERSION =
NAME = "People's Front"

4
arch/arm/boot/dts/s3c6410-mini6410.dts
View file

@ -165,6 +165,10 @@
};
};
&clocks {
clocks = <&fin_pll>;
};
&sdhci0 {
pinctrl-names = "default";
pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;

4
arch/arm/boot/dts/s3c6410-smdk6410.dts
View file

@ -69,6 +69,10 @@
};
};
&clocks {
clocks = <&fin_pll>;
};
&sdhci0 {
pinctrl-names = "default";
pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;

6
arch/arm/mach-tegra/reset-handler.S
View file

@ -56,16 +56,16 @@ ENTRY(tegra_resume)
cmp r6, #TEGRA20
beq 1f @ Yes
/* Clear the flow controller flags for this CPU. */
cpu_to_csr_reg r1, r0
cpu_to_csr_reg r3, r0
mov32 r2, TEGRA_FLOW_CTRL_BASE
ldr r1, [r2, r1]
ldr r1, [r2, r3]
/* Clear event & intr flag */
orr r1, r1, \
#FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
movw r0, #0x3FFD @ enable, cluster_switch, immed, bitmaps
@ & ext flags for CPU power mgnt
bic r1, r1, r0
str r1, [r2]
str r1, [r2, r3]
1:
mov32 r9, 0xc09

8
arch/arm64/include/asm/assembler.h
View file

@ -695,9 +695,11 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU
.macro if_will_cond_yield_neon
#ifdef CONFIG_PREEMPT
get_thread_info x0
ldr x0, [x0, #TSK_TI_PREEMPT]
sub x0, x0, #PREEMPT_DISABLE_OFFSET
cbz x0, .Lyield_\@
ldr w1, [x0, #TSK_TI_PREEMPT]
ldr x0, [x0, #TSK_TI_FLAGS]
cmp w1, #PREEMPT_DISABLE_OFFSET
csel x0, x0, xzr, eq
tbnz x0, #TIF_NEED_RESCHED, .Lyield_\@ // needs rescheduling?
/* fall through to endif_yield_neon */
.subsection 1
.Lyield_\@ :

6
arch/arm64/kernel/entry.S
View file

@ -622,8 +622,10 @@ el1_irq:
irq_handler
#ifdef CONFIG_PREEMPT
ldr x24, [tsk, #TSK_TI_PREEMPT] // get preempt count
cbnz x24, 1f // preempt count != 0
ldr w24, [tsk, #TSK_TI_PREEMPT] // get preempt count
cbnz w24, 1f // preempt count != 0
ldr x0, [tsk, #TSK_TI_FLAGS] // get flags
tbz x0, #TIF_NEED_RESCHED, 1f // needs rescheduling?
bl el1_preempt
1:
#endif

4
arch/xtensa/mm/tlb.c
View file

@ -216,6 +216,8 @@ static int check_tlb_entry(unsigned w, unsigned e, bool dtlb)
unsigned tlbidx = w | (e << PAGE_SHIFT);
unsigned r0 = dtlb ?
read_dtlb_virtual(tlbidx) : read_itlb_virtual(tlbidx);
unsigned r1 = dtlb ?
read_dtlb_translation(tlbidx) : read_itlb_translation(tlbidx);
unsigned vpn = (r0 & PAGE_MASK) | (e << PAGE_SHIFT);
unsigned pte = get_pte_for_vaddr(vpn);
unsigned mm_asid = (get_rasid_register() >> 8) & ASID_MASK;
@ -231,8 +233,6 @@ static int check_tlb_entry(unsigned w, unsigned e, bool dtlb)
}
if (tlb_asid == mm_asid) {
unsigned r1 = dtlb ? read_dtlb_translation(tlbidx) :
read_itlb_translation(tlbidx);
if ((pte ^ r1) & PAGE_MASK) {
pr_err("%cTLB: way: %u, entry: %u, mapping: %08x->%08x, PTE: %08x\n",
dtlb ? 'D' : 'I', w, e, r0, r1, pte);

2
drivers/dma-buf/sync_file.c
View file

@ -230,7 +230,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
a_fences = get_fences(a, &a_num_fences);
b_fences = get_fences(b, &b_num_fences);
if (a_num_fences > INT_MAX - b_num_fences)
return NULL;
goto err;
num_fences = a_num_fences + b_num_fences;

48
drivers/gpu/drm/meson/meson_venc_cvbs.c
View file

@ -75,6 +75,25 @@ struct meson_cvbs_mode meson_cvbs_modes[MESON_CVBS_MODES_COUNT] = {
},
};
static const struct meson_cvbs_mode *
meson_cvbs_get_mode(const struct drm_display_mode *req_mode)
{
int i;
for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
if (drm_mode_match(req_mode, &meson_mode->mode,
DRM_MODE_MATCH_TIMINGS |
DRM_MODE_MATCH_CLOCK |
DRM_MODE_MATCH_FLAGS |
DRM_MODE_MATCH_3D_FLAGS))
return meson_mode;
}
return NULL;
}
/* Connector */
static void meson_cvbs_connector_destroy(struct drm_connector *connector)
@ -147,14 +166,8 @@ static int meson_venc_cvbs_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
{
int i;
for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
if (drm_mode_equal(&crtc_state->mode, &meson_mode->mode))
return 0;
}
if (meson_cvbs_get_mode(&crtc_state->mode))
return 0;
return -EINVAL;
}
@ -192,24 +205,17 @@ static void meson_venc_cvbs_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
const struct meson_cvbs_mode *meson_mode = meson_cvbs_get_mode(mode);
struct meson_venc_cvbs *meson_venc_cvbs =
encoder_to_meson_venc_cvbs(encoder);
struct meson_drm *priv = meson_venc_cvbs->priv;
int i;
for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
if (meson_mode) {
meson_venci_cvbs_mode_set(priv, meson_mode->enci);
if (drm_mode_equal(mode, &meson_mode->mode)) {
meson_venci_cvbs_mode_set(priv,
meson_mode->enci);
/* Setup 27MHz vclk2 for ENCI and VDAC */
meson_vclk_setup(priv, MESON_VCLK_TARGET_CVBS,
MESON_VCLK_CVBS, MESON_VCLK_CVBS,
MESON_VCLK_CVBS, true);
break;
}
/* Setup 27MHz vclk2 for ENCI and VDAC */
meson_vclk_setup(priv, MESON_VCLK_TARGET_CVBS, MESON_VCLK_CVBS,
MESON_VCLK_CVBS, MESON_VCLK_CVBS, true);
}
}

4
drivers/gpu/drm/radeon/r100.c
View file

@ -1820,8 +1820,8 @@ static int r100_packet0_check(struct radeon_cs_parser *p,
track->textures[i].use_pitch = 1;
} else {
track->textures[i].use_pitch = 0;
track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
}
if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
track->textures[i].tex_coord_type = 2;

4
drivers/gpu/drm/radeon/r200.c
View file

@ -476,8 +476,8 @@ int r200_packet0_check(struct radeon_cs_parser *p,
track->textures[i].use_pitch = 1;
} else {
track->textures[i].use_pitch = 0;
track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
}
if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
track->textures[i].lookup_disable = true;

37
drivers/md/dm-mpath.c
View file

@ -609,45 +609,10 @@ static struct pgpath *__map_bio(struct multipath *m, struct bio *bio)
return pgpath;
}
static struct pgpath *__map_bio_fast(struct multipath *m, struct bio *bio)
{
struct pgpath *pgpath;
unsigned long flags;
/* Do we need to select a new pgpath? */
/*
* FIXME: currently only switching path if no path (due to failure, etc)
* - which negates the point of using a path selector
*/
pgpath = READ_ONCE(m->current_pgpath);
if (!pgpath)
pgpath = choose_pgpath(m, bio->bi_iter.bi_size);
if (!pgpath) {
if (test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) {
/* Queue for the daemon to resubmit */
spin_lock_irqsave(&m->lock, flags);
bio_list_add(&m->queued_bios, bio);
spin_unlock_irqrestore(&m->lock, flags);
queue_work(kmultipathd, &m->process_queued_bios);
return ERR_PTR(-EAGAIN);
}
return NULL;
}
return pgpath;
}
static int __multipath_map_bio(struct multipath *m, struct bio *bio,
struct dm_mpath_io *mpio)
{
struct pgpath *pgpath;
if (!m->hw_handler_name)
pgpath = __map_bio_fast(m, bio);
else
pgpath = __map_bio(m, bio);
struct pgpath *pgpath = __map_bio(m, bio);
if (IS_ERR(pgpath))
return DM_MAPIO_SUBMITTED;

8
drivers/md/persistent-data/dm-btree-remove.c
View file

@ -203,7 +203,13 @@ static void __rebalance2(struct dm_btree_info *info, struct btree_node *parent,
struct btree_node *right = r->n;
uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
uint32_t nr_right = le32_to_cpu(right->header.nr_entries);
unsigned threshold = 2 * merge_threshold(left) + 1;
/*
* Ensure the number of entries in each child will be greater
* than or equal to (max_entries / 3 + 1), so no matter which
* child is used for removal, the number will still be not
* less than (max_entries / 3).
*/
unsigned int threshold = 2 * (merge_threshold(left) + 1);
if (nr_left + nr_right < threshold) {
/*

151
drivers/mmc/core/block.c
View file

@ -424,38 +424,6 @@ static int mmc_blk_ioctl_copy_to_user(struct mmc_ioc_cmd __user *ic_ptr,
return 0;
}
static int ioctl_rpmb_card_status_poll(struct mmc_card *card, u32 *status,
u32 retries_max)
{
int err;
u32 retry_count = 0;
if (!status || !retries_max)
return -EINVAL;
do {
err = __mmc_send_status(card, status, 5);
if (err)
break;
if (!R1_STATUS(*status) &&
(R1_CURRENT_STATE(*status) != R1_STATE_PRG))
break; /* RPMB programming operation complete */
/*
* Rechedule to give the MMC device a chance to continue
* processing the previous command without being polled too
* frequently.
*/
usleep_range(1000, 5000);
} while (++retry_count < retries_max);
if (retry_count == retries_max)
err = -EPERM;
return err;
}
static int ioctl_do_sanitize(struct mmc_card *card)
{
int err;
@ -485,6 +453,58 @@ static int ioctl_do_sanitize(struct mmc_card *card)
return err;
}
static inline bool mmc_blk_in_tran_state(u32 status)
{
/*
* Some cards mishandle the status bits, so make sure to check both the
* busy indication and the card state.
*/
return status & R1_READY_FOR_DATA &&
(R1_CURRENT_STATE(status) == R1_STATE_TRAN);
}
static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
u32 *resp_errs)
{
unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
int err = 0;
u32 status;
do {
bool done = time_after(jiffies, timeout);
err = __mmc_send_status(card, &status, 5);
if (err) {
dev_err(mmc_dev(card->host),
"error %d requesting status\n", err);
return err;
}
/* Accumulate any response error bits seen */
if (resp_errs)
*resp_errs |= status;
/*
* Timeout if the device never becomes ready for data and never
* leaves the program state.
*/
if (done) {
dev_err(mmc_dev(card->host),
"Card stuck in wrong state! %s status: %#x\n",
__func__, status);
return -ETIMEDOUT;
}
/*
* Some cards mishandle the status bits,
* so make sure to check both the busy
* indication and the card state.
*/
} while (!mmc_blk_in_tran_state(status));
return err;
}
static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
struct mmc_blk_ioc_data *idata)
{
@ -494,7 +514,6 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
struct scatterlist sg;
int err;
unsigned int target_part;
u32 status = 0;
if (!card || !md || !idata)
return -EINVAL;
@ -628,16 +647,12 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
memcpy(&(idata->ic.response), cmd.resp, sizeof(cmd.resp));
if (idata->rpmb) {
if (idata->rpmb || (cmd.flags & MMC_RSP_R1B)) {
/*
* Ensure RPMB command has completed by polling CMD13
* Ensure RPMB/R1B command has completed by polling CMD13
* "Send Status".
*/
err = ioctl_rpmb_card_status_poll(card, &status, 5);
if (err)
dev_err(mmc_dev(card->host),
"%s: Card Status=0x%08X, error %d\n",
__func__, status, err);
err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, NULL);
}
return err;
@ -992,58 +1007,6 @@ static unsigned int mmc_blk_data_timeout_ms(struct mmc_host *host,
return ms;
}
static inline bool mmc_blk_in_tran_state(u32 status)
{
/*
* Some cards mishandle the status bits, so make sure to check both the
* busy indication and the card state.
*/
return status & R1_READY_FOR_DATA &&
(R1_CURRENT_STATE(status) == R1_STATE_TRAN);
}
static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
struct request *req, u32 *resp_errs)
{
unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
int err = 0;
u32 status;
do {
bool done = time_after(jiffies, timeout);
err = __mmc_send_status(card, &status, 5);
if (err) {
pr_err("%s: error %d requesting status\n",
req->rq_disk->disk_name, err);
return err;
}
/* Accumulate any response error bits seen */
if (resp_errs)
*resp_errs |= status;
/*
* Timeout if the device never becomes ready for data and never
* leaves the program state.
*/
if (done) {
pr_err("%s: Card stuck in wrong state! %s %s status: %#x\n",
mmc_hostname(card->host),
req->rq_disk->disk_name, __func__, status);
return -ETIMEDOUT;
}
/*
* Some cards mishandle the status bits,
* so make sure to check both the busy
* indication and the card state.
*/
} while (!mmc_blk_in_tran_state(status));
return err;
}
static int mmc_blk_reset(struct mmc_blk_data *md, struct mmc_host *host,
int type)
{
@ -1715,7 +1678,7 @@ static int mmc_blk_fix_state(struct mmc_card *card, struct request *req)
mmc_blk_send_stop(card, timeout);
err = card_busy_detect(card, timeout, req, NULL);
err = card_busy_detect(card, timeout, NULL);
mmc_retune_release(card->host);
@ -1941,7 +1904,7 @@ static int mmc_blk_card_busy(struct mmc_card *card, struct request *req)
if (mmc_host_is_spi(card->host) || rq_data_dir(req) == READ)
return 0;
err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, req, &status);
err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, &status);
/*
* Do not assume data transferred correctly if there are any error bits

2
drivers/net/ethernet/cavium/thunder/thunder_bgx.c
View file

@ -1118,7 +1118,7 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid)
phy_interface_mode(lmac->lmac_type)))
return -ENODEV;
phy_start_aneg(lmac->phydev);
phy_start(lmac->phydev);
return 0;
}

27
drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
View file

@ -155,8 +155,11 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer,
}
if (port_buffer->buffer[i].size <
(xoff + max_mtu + (1 << MLX5E_BUFFER_CELL_SHIFT)))
(xoff + max_mtu + (1 << MLX5E_BUFFER_CELL_SHIFT))) {
pr_err("buffer_size[%d]=%d is not enough for lossless buffer\n",
i, port_buffer->buffer[i].size);
return -ENOMEM;
}
port_buffer->buffer[i].xoff = port_buffer->buffer[i].size - xoff;
port_buffer->buffer[i].xon =
@ -232,6 +235,26 @@ static int update_buffer_lossy(unsigned int max_mtu,
return 0;
}
static int fill_pfc_en(struct mlx5_core_dev *mdev, u8 *pfc_en)
{
u32 g_rx_pause, g_tx_pause;
int err;
err = mlx5_query_port_pause(mdev, &g_rx_pause, &g_tx_pause);
if (err)
return err;
/* If global pause enabled, set all active buffers to lossless.
* Otherwise, check PFC setting.
*/
if (g_rx_pause || g_tx_pause)
*pfc_en = 0xff;
else
err = mlx5_query_port_pfc(mdev, pfc_en, NULL);
return err;
}
#define MINIMUM_MAX_MTU 9216
int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
u32 change, unsigned int mtu,
@ -277,7 +300,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
if (change & MLX5E_PORT_BUFFER_PRIO2BUFFER) {
update_prio2buffer = true;
err = mlx5_query_port_pfc(priv->mdev, &curr_pfc_en, NULL);
err = fill_pfc_en(priv->mdev, &curr_pfc_en);
if (err)
return err;

2
drivers/net/ethernet/ti/cpsw.c
View file

@ -954,8 +954,8 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id)
{
struct cpsw_common *cpsw = dev_id;
cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX);
writel(0, &cpsw->wr_regs->rx_en);
cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX);
if (cpsw->quirk_irq) {
disable_irq_nosync(cpsw->irqs_table[0]);

2
drivers/pci/hotplug/pciehp.h
View file

@ -106,6 +106,7 @@ struct slot {
* that has not yet been cleared by the user
* @pending_events: used by the IRQ handler to save events retrieved from the
* Slot Status register for later consumption by the IRQ thread
* @ist_running: flag to keep user request waiting while IRQ thread is running
* @request_result: result of last user request submitted to the IRQ thread
* @requester: wait queue to wake up on completion of user request,
* used for synchronous slot enable/disable request via sysfs
@ -125,6 +126,7 @@ struct controller {
unsigned int notification_enabled:1;
unsigned int power_fault_detected;
atomic_t pending_events;
unsigned int ist_running;
int request_result;
wait_queue_head_t requester;
};

6
drivers/pci/hotplug/pciehp_ctrl.c
View file

@ -383,7 +383,8 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
ctrl->request_result = -ENODEV;
pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);
wait_event(ctrl->requester,
!atomic_read(&ctrl->pending_events));
!atomic_read(&ctrl->pending_events) &&
!ctrl->ist_running);
return ctrl->request_result;
case POWERON_STATE:
ctrl_info(ctrl, "Slot(%s): Already in powering on state\n",
@ -416,7 +417,8 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
mutex_unlock(&p_slot->lock);
pciehp_request(ctrl, DISABLE_SLOT);
wait_event(ctrl->requester,
!atomic_read(&ctrl->pending_events));
!atomic_read(&ctrl->pending_events) &&
!ctrl->ist_running);
return ctrl->request_result;
case POWEROFF_STATE:
ctrl_info(ctrl, "Slot(%s): Already in powering off state\n",

2
drivers/pci/hotplug/pciehp_hpc.c
View file

@ -620,6 +620,7 @@ static irqreturn_t pciehp_ist(int irq, void *dev_id)
irqreturn_t ret;
u32 events;
ctrl->ist_running = true;
pci_config_pm_runtime_get(pdev);
/* rerun pciehp_isr() if the port was inaccessible on interrupt */
@ -666,6 +667,7 @@ static irqreturn_t pciehp_ist(int irq, void *dev_id)
up_read(&ctrl->reset_lock);
pci_config_pm_runtime_put(pdev);
ctrl->ist_running = false;
wake_up(&ctrl->requester);
return IRQ_HANDLED;
}

2
drivers/pci/msi.c
View file

@ -211,7 +211,7 @@ u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag)
return 0;
mask_bits &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT;
if (flag)
if (flag & PCI_MSIX_ENTRY_CTRL_MASKBIT)
mask_bits |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
writel(mask_bits, pci_msix_desc_addr(desc) + PCI_MSIX_ENTRY_VECTOR_CTRL);

17
drivers/pci/pci-driver.c
View file

@ -1051,17 +1051,22 @@ static int pci_pm_thaw_noirq(struct device *dev)
return error;
}
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume_early(dev);
/*
* pci_restore_state() requires the device to be in D0 (because of MSI
* restoration among other things), so force it into D0 in case the
* driver's "freeze" callbacks put it into a low-power state directly.
* Both the legacy ->resume_early() and the new pm->thaw_noirq()
* callbacks assume the device has been returned to D0 and its
* config state has been restored.
*
* In addition, pci_restore_state() restores MSI-X state in MMIO
* space, which requires the device to be in D0, so return it to D0
* in case the driver's "freeze" callbacks put it into a low-power
* state.
*/
pci_set_power_state(pci_dev, PCI_D0);
pci_restore_state(pci_dev);
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume_early(dev);
if (drv && drv->pm && drv->pm->thaw_noirq)
error = drv->pm->thaw_noirq(dev);

22
drivers/pci/quirks.c
View file

@ -4219,15 +4219,21 @@ static int pci_quirk_amd_sb_acs(struct pci_dev *dev, u16 acs_flags)
static bool pci_quirk_cavium_acs_match(struct pci_dev *dev)
{
if (!pci_is_pcie(dev) || pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT)
return false;
switch (dev->device) {
/*
* Effectively selects all downstream ports for whole ThunderX 1
* family by 0xf800 mask (which represents 8 SoCs), while the lower
* bits of device ID are used to indicate which subdevice is used
* within the SoC.
* Effectively selects all downstream ports for whole ThunderX1
* (which represents 8 SoCs).
*/
return (pci_is_pcie(dev) &&
(pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) &&
((dev->device & 0xf800) == 0xa000));
case 0xa000 ... 0xa7ff: /* ThunderX1 */
case 0xaf84: /* ThunderX2 */
case 0xb884: /* ThunderX3 */
return true;
default:
return false;
}
}
static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags)
@ -4576,7 +4582,7 @@ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags)
#define INTEL_BSPR_REG_BPPD (1 << 9)
/* Upstream Peer Decode Configuration Register */
#define INTEL_UPDCR_REG 0x1114
#define INTEL_UPDCR_REG 0x1014
/* 5:0 Peer Decode Enable bits */
#define INTEL_UPDCR_REG_MASK 0x3f

43
drivers/rpmsg/qcom_glink_native.c
View file

@ -285,6 +285,7 @@ static void qcom_glink_channel_release(struct kref *ref)
{
struct glink_channel *channel = container_of(ref, struct glink_channel,
refcount);
struct glink_core_rx_intent *intent;
struct glink_core_rx_intent *tmp;
unsigned long flags;
int iid;
@ -292,7 +293,18 @@ static void qcom_glink_channel_release(struct kref *ref)
CH_INFO(channel, "\n");
wake_up(&channel->intent_req_event);
/* cancel pending rx_done work */
kthread_cancel_work_sync(&channel->intent_work);
spin_lock_irqsave(&channel->intent_lock, flags);
/* Free all non-reuse intents pending rx_done work */
list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) {
if (!intent->reuse) {
kfree(intent->data);
kfree(intent);
}
}
idr_for_each_entry(&channel->liids, tmp, iid) {
kfree(tmp->data);
kfree(tmp);
@ -1899,6 +1911,18 @@ static void qcom_glink_notif_reset(void *data)
spin_unlock_irqrestore(&glink->idr_lock, flags);
}
static void qcom_glink_cancel_rx_work(struct qcom_glink *glink)
{
struct glink_defer_cmd *dcmd;
struct glink_defer_cmd *tmp;
/* cancel any pending deferred rx_work */
cancel_work_sync(&glink->rx_work);
list_for_each_entry_safe(dcmd, tmp, &glink->rx_queue, node)
kfree(dcmd);
}
struct qcom_glink *qcom_glink_native_probe(struct device *dev,
unsigned long features,
struct qcom_glink_pipe *rx,
@ -2019,28 +2043,16 @@ void qcom_glink_native_remove(struct qcom_glink *glink)
struct glink_channel *channel;
int cid;
int ret;
unsigned long flags;
subsys_unregister_early_notifier(glink->name, XPORT_LAYER_NOTIF);
qcom_glink_notif_reset(glink);
disable_irq(glink->irq);
cancel_work_sync(&glink->rx_work);
qcom_glink_cancel_rx_work(glink);
ret = device_for_each_child(glink->dev, NULL, qcom_glink_remove_device);
if (ret)
dev_warn(glink->dev, "Can't remove GLINK devices: %d\n", ret);
spin_lock_irqsave(&glink->idr_lock, flags);
idr_for_each_entry(&glink->lcids, channel, cid) {
spin_unlock_irqrestore(&glink->idr_lock, flags);
/* cancel pending rx_done work for each channel*/
kthread_cancel_work_sync(&channel->intent_work);
spin_lock_irqsave(&glink->idr_lock, flags);
}
spin_unlock_irqrestore(&glink->idr_lock, flags);
spin_lock_irqsave(&glink->idr_lock, flags);
/* Release any defunct local channels, waiting for close-ack */
idr_for_each_entry(&glink->lcids, channel, cid) {
kref_put(&channel->refcount, qcom_glink_channel_release);
@ -2053,9 +2065,12 @@ void qcom_glink_native_remove(struct qcom_glink *glink)
idr_remove(&glink->rcids, cid);
}
/* Release any defunct local channels, waiting for close-req */
idr_for_each_entry(&glink->rcids, channel, cid)
kref_put(&channel->refcount, qcom_glink_channel_release);
idr_destroy(&glink->lcids);
idr_destroy(&glink->rcids);
spin_unlock_irqrestore(&glink->idr_lock, flags);
kthread_flush_worker(&glink->kworker);
kthread_stop(glink->task);

4
drivers/scsi/libiscsi.c
View file

@ -1983,7 +1983,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
ISCSI_DBG_EH(session, "scsi cmd %p timedout\n", sc);
spin_lock(&session->frwd_lock);
spin_lock_bh(&session->frwd_lock);
task = (struct iscsi_task *)sc->SCp.ptr;
if (!task) {
/*
@ -2110,7 +2110,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
done:
if (task)
task->last_timeout = jiffies;
spin_unlock(&session->frwd_lock);
spin_unlock_bh(&session->frwd_lock);
ISCSI_DBG_EH(session, "return %s\n", rc == BLK_EH_RESET_TIMER ?
"timer reset" : "shutdown or nh");
return rc;

1
drivers/scsi/qla2xxx/qla_init.c
View file

@ -966,6 +966,7 @@ int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
e->u.fcport.fcport = fcport;
fcport->flags |= FCF_ASYNC_ACTIVE;
fcport->disc_state = DSC_LOGIN_PEND;
return qla2x00_post_work(vha, e);
}

8
drivers/usb/host/xhci-hub.c
View file

@ -868,6 +868,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
status |= USB_PORT_STAT_C_BH_RESET << 16;
if ((raw_port_status & PORT_CEC))
status |= USB_PORT_STAT_C_CONFIG_ERROR << 16;
/* USB3 remote wake resume signaling completed */
if (bus_state->port_remote_wakeup & (1 << wIndex) &&
(raw_port_status & PORT_PLS_MASK) != XDEV_RESUME &&
(raw_port_status & PORT_PLS_MASK) != XDEV_RECOVERY) {
bus_state->port_remote_wakeup &= ~(1 << wIndex);
usb_hcd_end_port_resume(&hcd->self, wIndex);
}
}
if (hcd->speed < HCD_USB3) {

3
drivers/usb/host/xhci-ring.c
View file

@ -1609,7 +1609,6 @@ static void handle_port_status(struct xhci_hcd *xhci,
slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1);
if (slot_id && xhci->devs[slot_id])
xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR;
bus_state->port_remote_wakeup &= ~(1 << hcd_portnum);
}
if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) {
@ -1630,6 +1629,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
bus_state->port_remote_wakeup |= 1 << hcd_portnum;
xhci_test_and_clear_bit(xhci, port, PORT_PLC);
xhci_set_link_state(xhci, port, XDEV_U0);
usb_hcd_start_port_resume(&hcd->self, hcd_portnum);
/* Need to wait until the next link state change
* indicates the device is actually in U0.
*/
@ -1669,7 +1669,6 @@ static void handle_port_status(struct xhci_hcd *xhci,
if (slot_id && xhci->devs[slot_id])
xhci_ring_device(xhci, slot_id);
if (bus_state->port_remote_wakeup & (1 << hcd_portnum)) {
bus_state->port_remote_wakeup &= ~(1 << hcd_portnum);
xhci_test_and_clear_bit(xhci, port, PORT_PLC);
usb_wakeup_notification(hcd->self.root_hub,
hcd_portnum + 1);

2
drivers/vfio/pci/vfio_pci_intrs.c
View file

@ -297,8 +297,8 @@ static int vfio_msi_set_vector_signal(struct vfio_pci_device *vdev,
irq = pci_irq_vector(pdev, vector);
if (vdev->ctx[vector].trigger) {
free_irq(irq, vdev->ctx[vector].trigger);
irq_bypass_unregister_producer(&vdev->ctx[vector].producer);
free_irq(irq, vdev->ctx[vector].trigger);
kfree(vdev->ctx[vector].name);
eventfd_ctx_put(vdev->ctx[vector].trigger);
vdev->ctx[vector].trigger = NULL;

5
fs/cifs/cifs_debug.c
View file

@ -210,6 +210,11 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
if (!server->rdma)
goto skip_rdma;
if (!server->smbd_conn) {
seq_printf(m, "\nSMBDirect transport not available");
goto skip_rdma;
}
seq_printf(m, "\nSMBDirect (in hex) protocol version: %x "
"transport status: %x",
server->smbd_conn->protocol,

7
fs/cifs/file.c
View file

@ -726,6 +726,13 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
/* O_SYNC also has bit for O_DSYNC so following check picks up either */
if (cfile->f_flags & O_SYNC)
create_options |= CREATE_WRITE_THROUGH;
if (cfile->f_flags & O_DIRECT)
create_options |= CREATE_NO_BUFFER;
if (server->ops->get_lease_key)
server->ops->get_lease_key(inode, &cfile->fid);

59
fs/cifs/smb2misc.c
View file

@ -743,36 +743,67 @@ smb2_cancelled_close_fid(struct work_struct *work)
kfree(cancelled);
}
/* Caller should already has an extra reference to @tcon */
static int
__smb2_handle_cancelled_close(struct cifs_tcon *tcon, __u64 persistent_fid,
__u64 volatile_fid)
{
struct close_cancelled_open *cancelled;
cancelled = kzalloc(sizeof(*cancelled), GFP_KERNEL);
if (!cancelled)
return -ENOMEM;
cancelled->fid.persistent_fid = persistent_fid;
cancelled->fid.volatile_fid = volatile_fid;
cancelled->tcon = tcon;
INIT_WORK(&cancelled->work, smb2_cancelled_close_fid);
WARN_ON(queue_work(cifsiod_wq, &cancelled->work) == false);
return 0;
}
int
smb2_handle_cancelled_close(struct cifs_tcon *tcon, __u64 persistent_fid,
__u64 volatile_fid)
{
int rc;
cifs_dbg(FYI, "%s: tc_count=%d\n", __func__, tcon->tc_count);
spin_lock(&cifs_tcp_ses_lock);
tcon->tc_count++;
spin_unlock(&cifs_tcp_ses_lock);
rc = __smb2_handle_cancelled_close(tcon, persistent_fid, volatile_fid);
if (rc)
cifs_put_tcon(tcon);
return rc;
}
int
smb2_handle_cancelled_mid(char *buffer, struct TCP_Server_Info *server)
{
struct smb2_sync_hdr *sync_hdr = (struct smb2_sync_hdr *)buffer;
struct smb2_create_rsp *rsp = (struct smb2_create_rsp *)buffer;
struct cifs_tcon *tcon;
struct close_cancelled_open *cancelled;
int rc;
if (sync_hdr->Command != SMB2_CREATE ||
sync_hdr->Status != STATUS_SUCCESS)
return 0;
cancelled = kzalloc(sizeof(*cancelled), GFP_KERNEL);
if (!cancelled)
return -ENOMEM;
tcon = smb2_find_smb_tcon(server, sync_hdr->SessionId,
sync_hdr->TreeId);
if (!tcon) {
kfree(cancelled);
if (!tcon)
return -ENOENT;
}
cancelled->fid.persistent_fid = rsp->PersistentFileId;
cancelled->fid.volatile_fid = rsp->VolatileFileId;
cancelled->tcon = tcon;
INIT_WORK(&cancelled->work, smb2_cancelled_close_fid);
queue_work(cifsiod_wq, &cancelled->work);
rc = __smb2_handle_cancelled_close(tcon, rsp->PersistentFileId,
rsp->VolatileFileId);
if (rc)
cifs_put_tcon(tcon);
return 0;
return rc;
}
/**

16
fs/cifs/smb2pdu.c
View file

@ -2629,7 +2629,21 @@ int
SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid)
{
return SMB2_close_flags(xid, tcon, persistent_fid, volatile_fid, 0);
int rc;
int tmp_rc;
rc = SMB2_close_flags(xid, tcon, persistent_fid, volatile_fid, 0);
/* retry close in a worker thread if this one is interrupted */
if (rc == -EINTR) {
tmp_rc = smb2_handle_cancelled_close(tcon, persistent_fid,
volatile_fid);
if (tmp_rc)
cifs_dbg(VFS, "handle cancelled close fid 0x%llx returned error %d\n",
persistent_fid, tmp_rc);
}
return rc;
}
int

3
fs/cifs/smb2proto.h
View file

@ -204,6 +204,9 @@ extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
const u64 persistent_fid, const u64 volatile_fid,
const __u8 oplock_level);
extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
__u64 persistent_fid,
__u64 volatile_fid);
extern int smb2_handle_cancelled_mid(char *buffer,
struct TCP_Server_Info *server);
void smb2_cancelled_close_fid(struct work_struct *work);

8
fs/cifs/smbdirect.c
View file

@ -1164,7 +1164,7 @@ static int smbd_post_send_data(
if (n_vec > SMBDIRECT_MAX_SGE) {
cifs_dbg(VFS, "Can't fit data to SGL, n_vec=%d\n", n_vec);
return -ENOMEM;
return -EINVAL;
}
sg_init_table(sgl, n_vec);
@ -1491,6 +1491,7 @@ void smbd_destroy(struct smbd_connection *info)
info->transport_status == SMBD_DESTROYED);
destroy_workqueue(info->workqueue);
log_rdma_event(INFO, "rdma session destroyed\n");
kfree(info);
}
@ -1528,8 +1529,9 @@ int smbd_reconnect(struct TCP_Server_Info *server)
log_rdma_event(INFO, "creating rdma session\n");
server->smbd_conn = smbd_get_connection(
server, (struct sockaddr *) &server->dstaddr);
log_rdma_event(INFO, "created rdma session info=%p\n",
server->smbd_conn);
if (server->smbd_conn)
cifs_dbg(VFS, "RDMA transport re-established\n");
return server->smbd_conn ? 0 : -ENOENT;
}

7
fs/cifs/transport.c
View file

@ -286,8 +286,11 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
int val = 1;
__be32 rfc1002_marker;
if (cifs_rdma_enabled(server) && server->smbd_conn) {
rc = smbd_send(server, num_rqst, rqst);
if (cifs_rdma_enabled(server)) {
/* return -EAGAIN when connecting or reconnecting */
rc = -EAGAIN;
if (server->smbd_conn)
rc = smbd_send(server, num_rqst, rqst);
goto smbd_done;
}
if (ssocket == NULL)

5
include/linux/netdevice.h
View file

@ -1834,6 +1834,11 @@ struct net_device {
unsigned char if_port;
unsigned char dma;
/* Note : dev->mtu is often read without holding a lock.
* Writers usually hold RTNL.
* It is recommended to use READ_ONCE() to annotate the reads,
* and to use WRITE_ONCE() to annotate the writes.
*/
unsigned int mtu;
unsigned int min_mtu;
unsigned int max_mtu;

13
include/linux/time.h
View file

@ -96,4 +96,17 @@ static inline bool itimerspec64_valid(const struct itimerspec64 *its)
*/
#define time_after32(a, b) ((s32)((u32)(b) - (u32)(a)) < 0)
#define time_before32(b, a) time_after32(a, b)
/**
* time_between32 - check if a 32-bit timestamp is within a given time range
* @t: the time which may be within [l,h]
* @l: the lower bound of the range
* @h: the higher bound of the range
*
* time_before32(t, l, h) returns true if @l <= @t <= @h. All operands are
* treated as 32-bit integers.
*
* Equivalent to !(time_before32(@t, @l) || time_after32(@t, @h)).
*/
#define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l))
#endif

5
include/net/ip.h
View file

@ -695,4 +695,9 @@ int ip_misc_proc_init(void);
int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family,
struct netlink_ext_ack *extack);
static inline bool inetdev_valid_mtu(unsigned int mtu)
{
return likely(mtu >= IPV4_MIN_MTU);
}
#endif /* _IP_H */

27
include/net/tcp.h
View file

@ -485,15 +485,16 @@ static inline void tcp_synq_overflow(const struct sock *sk)
reuse = rcu_dereference(sk->sk_reuseport_cb);
if (likely(reuse)) {
last_overflow = READ_ONCE(reuse->synq_overflow_ts);
if (time_after32(now, last_overflow + HZ))
if (!time_between32(now, last_overflow,
last_overflow + HZ))
WRITE_ONCE(reuse->synq_overflow_ts, now);
return;
}
}
last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
if (time_after32(now, last_overflow + HZ))
tcp_sk(sk)->rx_opt.ts_recent_stamp = now;
last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp);
if (!time_between32(now, last_overflow, last_overflow + HZ))
WRITE_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp, now);
}
/* syncookies: no recent synqueue overflow on this listening socket? */
@ -508,13 +509,23 @@ static inline bool tcp_synq_no_recent_overflow(const struct sock *sk)
reuse = rcu_dereference(sk->sk_reuseport_cb);
if (likely(reuse)) {
last_overflow = READ_ONCE(reuse->synq_overflow_ts);
return time_after32(now, last_overflow +
TCP_SYNCOOKIE_VALID);
return !time_between32(now, last_overflow - HZ,
last_overflow +
TCP_SYNCOOKIE_VALID);
}
}
last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
return time_after32(now, last_overflow + TCP_SYNCOOKIE_VALID);
last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp);
/* If last_overflow <= jiffies <= last_overflow + TCP_SYNCOOKIE_VALID,
* then we're under synflood. However, we have to use
* 'last_overflow - HZ' as lower bound. That's because a concurrent
* tcp_synq_overflow() could update .ts_recent_stamp after we read
* jiffies but before we store .ts_recent_stamp into last_overflow,
* which could lead to rejecting a valid syncookie.
*/
return !time_between32(now, last_overflow - HZ,
last_overflow + TCP_SYNCOOKIE_VALID);
}
static inline u32 tcp_cookie_time(void)

6
net/bridge/br_device.c
View file

@ -246,6 +246,12 @@ static int br_set_mac_address(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
/* dev_set_mac_addr() can be called by a master device on bridge's
* NETDEV_UNREGISTER, but since it's being destroyed do nothing
*/
if (dev->reg_state != NETREG_REGISTERED)
return -EBUSY;
spin_lock_bh(&br->lock);
if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) {
/* Mac address will be changed in br_stp_change_bridge_id(). */

3
net/core/dev.c
View file

@ -7625,7 +7625,8 @@ int __dev_set_mtu(struct net_device *dev, int new_mtu)
if (ops->ndo_change_mtu)
return ops->ndo_change_mtu(dev, new_mtu);
dev->mtu = new_mtu;
/* Pairs with all the lockless reads of dev->mtu in the stack */
WRITE_ONCE(dev->mtu, new_mtu);
return 0;
}
EXPORT_SYMBOL(__dev_set_mtu);

5
net/core/flow_dissector.c
View file

@ -630,9 +630,10 @@ bool __skb_flow_dissect(const struct sk_buff *skb,
nhoff = skb_network_offset(skb);
hlen = skb_headlen(skb);
#if IS_ENABLED(CONFIG_NET_DSA)
if (unlikely(skb->dev && netdev_uses_dsa(skb->dev))) {
if (unlikely(skb->dev && netdev_uses_dsa(skb->dev) &&
proto == htons(ETH_P_XDSA))) {
const struct dsa_device_ops *ops;
int offset;
int offset = 0;
ops = skb->dev->dsa_ptr->tag_ops;
if (ops->flow_dissect &&

5
net/ipv4/devinet.c
View file

@ -1441,11 +1441,6 @@ static void inetdev_changename(struct net_device *dev, struct in_device *in_dev)
}
}
static bool inetdev_valid_mtu(unsigned int mtu)
{
return mtu >= IPV4_MIN_MTU;
}
static void inetdev_send_gratuitous_arp(struct net_device *dev,
struct in_device *in_dev)

13
net/ipv4/ip_output.c
View file

@ -1142,15 +1142,18 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
cork->addr = ipc->addr;
}
/*
* We steal reference to this route, caller should not release it
*/
*rtp = NULL;
cork->fragsize = ip_sk_use_pmtu(sk) ?
dst_mtu(&rt->dst) : rt->dst.dev->mtu;
dst_mtu(&rt->dst) : READ_ONCE(rt->dst.dev->mtu);
if (!inetdev_valid_mtu(cork->fragsize))
return -ENETUNREACH;
cork->gso_size = ipc->gso_size;
cork->dst = &rt->dst;
/* We stole this route, caller should not release it. */
*rtp = NULL;
cork->length = 0;
cork->ttl = ipc->ttl;
cork->tos = ipc->tos;

5
net/ipv4/tcp_output.c
View file

@ -740,8 +740,9 @@ static unsigned int tcp_established_options(struct sock *sk, struct sk_buff *skb
min_t(unsigned int, eff_sacks,
(remaining - TCPOLEN_SACK_BASE_ALIGNED) /
TCPOLEN_SACK_PERBLOCK);
size += TCPOLEN_SACK_BASE_ALIGNED +
opts->num_sack_blocks * TCPOLEN_SACK_PERBLOCK;
if (likely(opts->num_sack_blocks))
size += TCPOLEN_SACK_BASE_ALIGNED +
opts->num_sack_blocks * TCPOLEN_SACK_PERBLOCK;
}
return size;

11
net/openvswitch/conntrack.c
View file

@ -897,6 +897,17 @@ static int ovs_ct_nat(struct net *net, struct sw_flow_key *key,
}
err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, maniptype);
if (err == NF_ACCEPT &&
ct->status & IPS_SRC_NAT && ct->status & IPS_DST_NAT) {
if (maniptype == NF_NAT_MANIP_SRC)
maniptype = NF_NAT_MANIP_DST;
else
maniptype = NF_NAT_MANIP_SRC;
err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range,
maniptype);
}
/* Mark NAT done if successful and update the flow key. */
if (err == NF_ACCEPT)
ovs_nat_update_key(key, skb, maniptype);

1
net/sched/sch_mq.c
View file

@ -158,6 +158,7 @@ static int mq_dump(struct Qdisc *sch, struct sk_buff *skb)
__gnet_stats_copy_queue(&sch->qstats,
qdisc->cpu_qstats,
&qdisc->qstats, qlen);
sch->q.qlen += qlen;
} else {
sch->q.qlen += qdisc->q.qlen;
sch->bstats.bytes += qdisc->bstats.bytes;

3
net/sched/sch_mqprio.c
View file

@ -413,6 +413,7 @@ static int mqprio_dump(struct Qdisc *sch, struct sk_buff *skb)
__gnet_stats_copy_queue(&sch->qstats,
qdisc->cpu_qstats,
&qdisc->qstats, qlen);
sch->q.qlen += qlen;
} else {
sch->q.qlen += qdisc->q.qlen;
sch->bstats.bytes += qdisc->bstats.bytes;
@ -435,7 +436,7 @@ static int mqprio_dump(struct Qdisc *sch, struct sk_buff *skb)
opt.offset[tc] = dev->tc_to_txq[tc].offset;
}
if (nla_put(skb, TCA_OPTIONS, NLA_ALIGN(sizeof(opt)), &opt))
if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
goto nla_put_failure;
if ((priv->flags & TC_MQPRIO_F_MODE) &&

29
net/tipc/core.c
View file

@ -120,14 +120,6 @@ static int __init tipc_init(void)
sysctl_tipc_rmem[1] = RCVBUF_DEF;
sysctl_tipc_rmem[2] = RCVBUF_MAX;
err = tipc_netlink_start();
if (err)
goto out_netlink;
err = tipc_netlink_compat_start();
if (err)
goto out_netlink_compat;
err = tipc_register_sysctl();
if (err)
goto out_sysctl;
@ -148,8 +140,21 @@ static int __init tipc_init(void)
if (err)
goto out_bearer;
err = tipc_netlink_start();
if (err)
goto out_netlink;
err = tipc_netlink_compat_start();
if (err)
goto out_netlink_compat;
pr_info("Started in single node mode\n");
return 0;
out_netlink_compat:
tipc_netlink_stop();
out_netlink:
tipc_bearer_cleanup();
out_bearer:
unregister_pernet_device(&tipc_topsrv_net_ops);
out_pernet_topsrv:
@ -159,22 +164,18 @@ static int __init tipc_init(void)
out_pernet:
tipc_unregister_sysctl();
out_sysctl:
tipc_netlink_compat_stop();
out_netlink_compat:
tipc_netlink_stop();
out_netlink:
pr_err("Unable to start in single node mode\n");
return err;
}
static void __exit tipc_exit(void)
{
tipc_netlink_compat_stop();
tipc_netlink_stop();
tipc_bearer_cleanup();
unregister_pernet_device(&tipc_topsrv_net_ops);
tipc_socket_stop();
unregister_pernet_device(&tipc_net_ops);
tipc_netlink_stop();
tipc_netlink_compat_stop();
tipc_unregister_sysctl();
pr_info("Deactivated\n");