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Message-ID: <2023120322-robbing-unbolted-9b9e@gregkh>
Date: Sun, 3 Dec 2023 07:51:22 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.15.141
diff --git a/Makefile b/Makefile
index 90d878daaba6..63c79319d769 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 15
-SUBLEVEL = 140
+SUBLEVEL = 141
EXTRAVERSION =
NAME = Trick or Treat
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 27277d6bbfa5..59de416c61a3 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -359,7 +359,8 @@ static int __init xen_guest_init(void)
* for secondary CPUs as they are brought up.
* For uniformity we use VCPUOP_register_vcpu_info even on cpu0.
*/
- xen_vcpu_info = alloc_percpu(struct vcpu_info);
+ xen_vcpu_info = __alloc_percpu(sizeof(struct vcpu_info),
+ 1 << fls(sizeof(struct vcpu_info) - 1));
if (xen_vcpu_info == NULL)
return -ENOMEM;
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 1bfd1b501d82..72b524945227 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -593,7 +593,7 @@ static int kvm_mips_map_page(struct kvm_vcpu *vcpu, unsigned long gpa,
gfn_t gfn = gpa >> PAGE_SHIFT;
int srcu_idx, err;
kvm_pfn_t pfn;
- pte_t *ptep, entry, old_pte;
+ pte_t *ptep, entry;
bool writeable;
unsigned long prot_bits;
unsigned long mmu_seq;
@@ -665,7 +665,6 @@ static int kvm_mips_map_page(struct kvm_vcpu *vcpu, unsigned long gpa,
entry = pfn_pte(pfn, __pgprot(prot_bits));
/* Write the PTE */
- old_pte = *ptep;
set_pte(ptep, entry);
err = 0;
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index fa91ca32b9af..503fb973faa5 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -439,6 +439,13 @@ static const struct dmi_system_id lenovo_laptop[] = {
DMI_MATCH(DMI_BOARD_NAME, "B1402CBA"),
},
},
+ {
+ /* Asus ExpertBook B1402CVA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "B1402CVA"),
+ },
+ },
{
.ident = "LENOVO IdeaPad Flex 5 16ALC7",
.matches = {
diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c
index 43bb224430d3..8892931ea867 100644
--- a/drivers/ata/pata_isapnp.c
+++ b/drivers/ata/pata_isapnp.c
@@ -82,6 +82,9 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
if (pnp_port_valid(idev, 1)) {
ctl_addr = devm_ioport_map(&idev->dev,
pnp_port_start(idev, 1), 1);
+ if (!ctl_addr)
+ return -ENOMEM;
+
ap->ioaddr.altstatus_addr = ctl_addr;
ap->ioaddr.ctl_addr = ctl_addr;
ap->ops = &isapnp_port_ops;
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index db9d0b86d542..9e518213a54f 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -36,6 +36,7 @@ struct panel_desc {
const struct panel_init_cmd *init_cmds;
unsigned int lanes;
bool discharge_on_disable;
+ bool lp11_before_reset;
};
struct boe_panel {
@@ -551,6 +552,10 @@ static int boe_panel_prepare(struct drm_panel *panel)
usleep_range(5000, 10000);
+ if (boe->desc->lp11_before_reset) {
+ mipi_dsi_dcs_nop(boe->dsi);
+ usleep_range(1000, 2000);
+ }
gpiod_set_value(boe->enable_gpio, 1);
usleep_range(1000, 2000);
gpiod_set_value(boe->enable_gpio, 0);
@@ -692,6 +697,7 @@ static const struct panel_desc auo_b101uan08_3_desc = {
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_MODE_LPM,
.init_cmds = auo_b101uan08_3_init_cmd,
+ .lp11_before_reset = true,
};
static const struct drm_display_mode boe_tv105wum_nw0_default_mode = {
@@ -719,6 +725,7 @@ static const struct panel_desc boe_tv105wum_nw0_desc = {
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_MODE_LPM,
.init_cmds = boe_init_cmd,
+ .lp11_before_reset = true,
};
static int boe_panel_get_modes(struct drm_panel *panel,
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index e58eb93e9bc9..d9f1675c348e 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2532,13 +2532,13 @@ static const struct panel_desc innolux_g070y2_l01 = {
static const struct display_timing innolux_g101ice_l01_timing = {
.pixelclock = { 60400000, 71100000, 74700000 },
.hactive = { 1280, 1280, 1280 },
- .hfront_porch = { 41, 80, 100 },
- .hback_porch = { 40, 79, 99 },
- .hsync_len = { 1, 1, 1 },
+ .hfront_porch = { 30, 60, 70 },
+ .hback_porch = { 30, 60, 70 },
+ .hsync_len = { 22, 40, 60 },
.vactive = { 800, 800, 800 },
- .vfront_porch = { 5, 11, 14 },
- .vback_porch = { 4, 11, 14 },
- .vsync_len = { 1, 1, 1 },
+ .vfront_porch = { 3, 8, 14 },
+ .vback_porch = { 3, 8, 14 },
+ .vsync_len = { 4, 7, 12 },
.flags = DISPLAY_FLAGS_DE_HIGH,
};
@@ -2555,6 +2555,7 @@ static const struct panel_desc innolux_g101ice_l01 = {
.disable = 200,
},
.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH,
.connector_type = DRM_MODE_CONNECTOR_LVDS,
};
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index e53b1ecbd7bc..c7106f116546 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -249,14 +249,22 @@ static inline void vop_cfg_done(struct vop *vop)
VOP_REG_SET(vop, common, cfg_done, 1);
}
-static bool has_rb_swapped(uint32_t format)
+static bool has_rb_swapped(uint32_t version, uint32_t format)
{
switch (format) {
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
- case DRM_FORMAT_BGR888:
case DRM_FORMAT_BGR565:
return true;
+ /*
+ * full framework (IP version 3.x) only need rb swapped for RGB888 and
+ * little framework (IP version 2.x) only need rb swapped for BGR888,
+ * check for 3.x to also only rb swap BGR888 for unknown vop version
+ */
+ case DRM_FORMAT_RGB888:
+ return VOP_MAJOR(version) == 3;
+ case DRM_FORMAT_BGR888:
+ return VOP_MAJOR(version) != 3;
default:
return false;
}
@@ -998,7 +1006,7 @@ static void vop_plane_atomic_update(struct drm_plane *plane,
VOP_WIN_SET(vop, win, dsp_info, dsp_info);
VOP_WIN_SET(vop, win, dsp_st, dsp_st);
- rb_swap = has_rb_swapped(fb->format->format);
+ rb_swap = has_rb_swapped(vop->data->version, fb->format->format);
VOP_WIN_SET(vop, win, rb_swap, rb_swap);
/*
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d941023c5628..7b76405df8c4 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -702,15 +702,22 @@ static void hid_close_report(struct hid_device *device)
* Free a device structure, all reports, and all fields.
*/
-static void hid_device_release(struct device *dev)
+void hiddev_free(struct kref *ref)
{
- struct hid_device *hid = to_hid_device(dev);
+ struct hid_device *hid = container_of(ref, struct hid_device, ref);
hid_close_report(hid);
kfree(hid->dev_rdesc);
kfree(hid);
}
+static void hid_device_release(struct device *dev)
+{
+ struct hid_device *hid = to_hid_device(dev);
+
+ kref_put(&hid->ref, hiddev_free);
+}
+
/*
* Fetch a report description item from the data stream. We support long
* items, though they are not used yet.
@@ -2442,10 +2449,12 @@ int hid_add_device(struct hid_device *hdev)
hid_warn(hdev, "bad device descriptor (%d)\n", ret);
}
+ hdev->id = atomic_inc_return(&id);
+
/* XXX hack, any other cleaner solution after the driver core
* is converted to allow more than 20 bytes as the device name? */
dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
- hdev->vendor, hdev->product, atomic_inc_return(&id));
+ hdev->vendor, hdev->product, hdev->id);
hid_debug_register(hdev, dev_name(&hdev->dev));
ret = device_add(&hdev->dev);
@@ -2488,6 +2497,7 @@ struct hid_device *hid_allocate_device(void)
spin_lock_init(&hdev->debug_list_lock);
sema_init(&hdev->driver_input_lock, 1);
mutex_init(&hdev->ll_open_lock);
+ kref_init(&hdev->ref);
return hdev;
}
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 03da865e423c..b8274bdd7d27 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -1096,6 +1096,7 @@ static int hid_debug_events_open(struct inode *inode, struct file *file)
goto out;
}
list->hdev = (struct hid_device *) inode->i_private;
+ kref_get(&list->hdev->ref);
file->private_data = list;
mutex_init(&list->read_mutex);
@@ -1188,6 +1189,8 @@ static int hid_debug_events_release(struct inode *inode, struct file *file)
list_del(&list->node);
spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags);
kfifo_free(&list->hid_debug_fifo);
+
+ kref_put(&list->hdev->ref, hiddev_free);
kfree(list);
return 0;
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 88097d1892ac..efef92dc7858 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1342,7 +1342,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
memset(new_nodes, 0, sizeof(new_nodes));
closure_init_stack(&cl);
- while (nodes < GC_MERGE_NODES && !IS_ERR(r[nodes].b))
+ while (nodes < GC_MERGE_NODES && !IS_ERR_OR_NULL(r[nodes].b))
keys += r[nodes++].keys;
blocks = btree_default_blocks(b->c) * 2 / 3;
@@ -1506,6 +1506,8 @@ static int btree_gc_rewrite_node(struct btree *b, struct btree_op *op,
return 0;
n = btree_node_alloc_replacement(replace, NULL);
+ if (IS_ERR(n))
+ return 0;
/* recheck reserve after allocating replacement node */
if (btree_check_reserve(b, NULL)) {
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 05ac1d6fbbf3..fa146012003d 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -1099,7 +1099,7 @@ SHOW(__bch_cache)
sum += INITIAL_PRIO - cached[i];
if (n)
- do_div(sum, n);
+ sum = div64_u64(sum, n);
for (i = 0; i < ARRAY_SIZE(q); i++)
q[i] = INITIAL_PRIO - cached[n * (i + 1) /
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 4dcbaf9a2149..3bc29ed633cb 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -967,24 +967,35 @@ static int bch_btre_dirty_init_thread_nr(void)
void bch_sectors_dirty_init(struct bcache_device *d)
{
int i;
+ struct btree *b = NULL;
struct bkey *k = NULL;
struct btree_iter iter;
struct sectors_dirty_init op;
struct cache_set *c = d->c;
struct bch_dirty_init_state state;
+retry_lock:
+ b = c->root;
+ rw_lock(0, b, b->level);
+ if (b != c->root) {
+ rw_unlock(0, b);
+ goto retry_lock;
+ }
+
/* Just count root keys if no leaf node */
- rw_lock(0, c->root, c->root->level);
if (c->root->level == 0) {
bch_btree_op_init(&op.op, -1);
op.inode = d->id;
op.count = 0;
for_each_key_filter(&c->root->keys,
- k, &iter, bch_ptr_invalid)
+ k, &iter, bch_ptr_invalid) {
+ if (KEY_INODE(k) != op.inode)
+ continue;
sectors_dirty_init_fn(&op.op, c->root, k);
+ }
- rw_unlock(0, c->root);
+ rw_unlock(0, b);
return;
}
@@ -1004,23 +1015,24 @@ void bch_sectors_dirty_init(struct bcache_device *d)
if (atomic_read(&state.enough))
break;
+ atomic_inc(&state.started);
state.infos[i].state = &state;
state.infos[i].thread =
kthread_run(bch_dirty_init_thread, &state.infos[i],
"bch_dirtcnt[%d]", i);
if (IS_ERR(state.infos[i].thread)) {
pr_err("fails to run thread bch_dirty_init[%d]\n", i);
+ atomic_dec(&state.started);
for (--i; i >= 0; i--)
kthread_stop(state.infos[i].thread);
goto out;
}
- atomic_inc(&state.started);
}
out:
/* Must wait for all threads to stop. */
wait_event(state.wait, atomic_read(&state.started) == 0);
- rw_unlock(0, c->root);
+ rw_unlock(0, b);
}
void bch_cached_dev_writeback_init(struct cached_dev *dc)
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 59e51d285b0e..238028056d0c 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -30,7 +30,7 @@ struct delay_c {
struct workqueue_struct *kdelayd_wq;
struct work_struct flush_expired_bios;
struct list_head delayed_bios;
- atomic_t may_delay;
+ bool may_delay;
struct delay_class read;
struct delay_class write;
@@ -191,7 +191,7 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
INIT_WORK(&dc->flush_expired_bios, flush_expired_bios);
INIT_LIST_HEAD(&dc->delayed_bios);
mutex_init(&dc->timer_lock);
- atomic_set(&dc->may_delay, 1);
+ dc->may_delay = true;
dc->argc = argc;
ret = delay_class_ctr(ti, &dc->read, argv);
@@ -245,7 +245,7 @@ static int delay_bio(struct delay_c *dc, struct delay_class *c, struct bio *bio)
struct dm_delay_info *delayed;
unsigned long expires = 0;
- if (!c->delay || !atomic_read(&dc->may_delay))
+ if (!c->delay)
return DM_MAPIO_REMAPPED;
delayed = dm_per_bio_data(bio, sizeof(struct dm_delay_info));
@@ -254,6 +254,10 @@ static int delay_bio(struct delay_c *dc, struct delay_class *c, struct bio *bio)
delayed->expires = expires = jiffies + msecs_to_jiffies(c->delay);
mutex_lock(&delayed_bios_lock);
+ if (unlikely(!dc->may_delay)) {
+ mutex_unlock(&delayed_bios_lock);
+ return DM_MAPIO_REMAPPED;
+ }
c->ops++;
list_add_tail(&delayed->list, &dc->delayed_bios);
mutex_unlock(&delayed_bios_lock);
@@ -267,7 +271,10 @@ static void delay_presuspend(struct dm_target *ti)
{
struct delay_c *dc = ti->private;
- atomic_set(&dc->may_delay, 0);
+ mutex_lock(&delayed_bios_lock);
+ dc->may_delay = false;
+ mutex_unlock(&delayed_bios_lock);
+
del_timer_sync(&dc->delay_timer);
flush_bios(flush_delayed_bios(dc, 1));
}
@@ -276,7 +283,7 @@ static void delay_resume(struct dm_target *ti)
{
struct delay_c *dc = ti->private;
- atomic_set(&dc->may_delay, 1);
+ dc->may_delay = true;
}
static int delay_map(struct dm_target *ti, struct bio *bio)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index b585b642a076..a2d985636595 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8627,7 +8627,8 @@ static void md_end_io_acct(struct bio *bio)
struct md_io_acct *md_io_acct = bio->bi_private;
struct bio *orig_bio = md_io_acct->orig_bio;
- orig_bio->bi_status = bio->bi_status;
+ if (bio->bi_status && !orig_bio->bi_status)
+ orig_bio->bi_status = bio->bi_status;
bio_end_io_acct(orig_bio, md_io_acct->start_time);
bio_put(bio);
diff --git a/drivers/media/platform/qcom/camss/camss-csid-170.c b/drivers/media/platform/qcom/camss/camss-csid-170.c
index 82f59933ad7b..f7839e994bda 100644
--- a/drivers/media/platform/qcom/camss/camss-csid-170.c
+++ b/drivers/media/platform/qcom/camss/camss-csid-170.c
@@ -327,13 +327,14 @@ static const struct csid_format csid_formats[] = {
},
};
-static void csid_configure_stream(struct csid_device *csid, u8 enable)
+static void __csid_configure_stream(struct csid_device *csid, u8 enable, u8 vc)
{
struct csid_testgen_config *tg = &csid->testgen;
u32 val;
u32 phy_sel = 0;
u8 lane_cnt = csid->phy.lane_cnt;
- struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_SRC];
+ /* Source pads matching RDI channels on hardware. Pad 1 -> RDI0, Pad 2 -> RDI1, etc. */
+ struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc];
const struct csid_format *format = csid_get_fmt_entry(csid->formats, csid->nformats,
input_format->code);
@@ -344,13 +345,9 @@ static void csid_configure_stream(struct csid_device *csid, u8 enable)
phy_sel = csid->phy.csiphy_id;
if (enable) {
- u8 vc = 0; /* Virtual Channel 0 */
- u8 dt_id = vc * 4;
+ u8 dt_id = vc;
if (tg->enabled) {
- /* Config Test Generator */
- vc = 0xa;
-
/* configure one DT, infinite frames */
val = vc << TPG_VC_CFG0_VC_NUM;
val |= INTELEAVING_MODE_ONE_SHOT << TPG_VC_CFG0_LINE_INTERLEAVING_MODE;
@@ -363,14 +360,14 @@ static void csid_configure_stream(struct csid_device *csid, u8 enable)
writel_relaxed(0x12345678, csid->base + CSID_TPG_LFSR_SEED);
- val = input_format->height & 0x1fff << TPG_DT_n_CFG_0_FRAME_HEIGHT;
- val |= input_format->width & 0x1fff << TPG_DT_n_CFG_0_FRAME_WIDTH;
+ val = (input_format->height & 0x1fff) << TPG_DT_n_CFG_0_FRAME_HEIGHT;
+ val |= (input_format->width & 0x1fff) << TPG_DT_n_CFG_0_FRAME_WIDTH;
writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_0(0));
val = format->data_type << TPG_DT_n_CFG_1_DATA_TYPE;
writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_1(0));
- val = tg->mode << TPG_DT_n_CFG_2_PAYLOAD_MODE;
+ val = (tg->mode - 1) << TPG_DT_n_CFG_2_PAYLOAD_MODE;
val |= 0xBE << TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD;
val |= format->decode_format << TPG_DT_n_CFG_2_ENCODE_FORMAT;
writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_2(0));
@@ -388,42 +385,42 @@ static void csid_configure_stream(struct csid_device *csid, u8 enable)
val |= format->data_type << RDI_CFG0_DATA_TYPE;
val |= vc << RDI_CFG0_VIRTUAL_CHANNEL;
val |= dt_id << RDI_CFG0_DT_ID;
- writel_relaxed(val, csid->base + CSID_RDI_CFG0(0));
+ writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc));
/* CSID_TIMESTAMP_STB_POST_IRQ */
val = 2 << RDI_CFG1_TIMESTAMP_STB_SEL;
- writel_relaxed(val, csid->base + CSID_RDI_CFG1(0));
+ writel_relaxed(val, csid->base + CSID_RDI_CFG1(vc));
val = 1;
- writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(0));
+ writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(vc));
val = 0;
- writel_relaxed(0, csid->base + CSID_RDI_FRM_DROP_PATTERN(0));
+ writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PATTERN(vc));
val = 1;
- writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(0));
+ writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(vc));
val = 0;
- writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(0));
+ writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(vc));
val = 1;
- writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(0));
+ writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(vc));
val = 0;
- writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(0));
+ writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(vc));
val = 1;
- writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(0));
+ writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(vc));
val = 0;
- writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(0));
+ writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(vc));
val = 0;
- writel_relaxed(val, csid->base + CSID_RDI_CTRL(0));
+ writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc));
- val = readl_relaxed(csid->base + CSID_RDI_CFG0(0));
+ val = readl_relaxed(csid->base + CSID_RDI_CFG0(vc));
val |= 1 << RDI_CFG0_ENABLE;
- writel_relaxed(val, csid->base + CSID_RDI_CFG0(0));
+ writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc));
}
if (tg->enabled) {
@@ -442,6 +439,8 @@ static void csid_configure_stream(struct csid_device *csid, u8 enable)
writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG0);
val = 1 << CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN;
+ if (vc > 3)
+ val |= 1 << CSI2_RX_CFG1_VC_MODE;
val |= 1 << CSI2_RX_CFG1_MISR_EN;
writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1); // csi2_vc_mode_shift_val ?
@@ -449,7 +448,16 @@ static void csid_configure_stream(struct csid_device *csid, u8 enable)
val = HALT_CMD_RESUME_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD;
else
val = HALT_CMD_HALT_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD;
- writel_relaxed(val, csid->base + CSID_RDI_CTRL(0));
+ writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc));
+}
+
+static void csid_configure_stream(struct csid_device *csid, u8 enable)
+{
+ u8 i;
+ /* Loop through all enabled VCs and configure stream for each */
+ for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++)
+ if (csid->phy.en_vc & BIT(i))
+ __csid_configure_stream(csid, enable, i);
}
static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val)
@@ -495,6 +503,7 @@ static irqreturn_t csid_isr(int irq, void *dev)
struct csid_device *csid = dev;
u32 val;
u8 reset_done;
+ int i;
val = readl_relaxed(csid->base + CSID_TOP_IRQ_STATUS);
writel_relaxed(val, csid->base + CSID_TOP_IRQ_CLEAR);
@@ -503,8 +512,12 @@ static irqreturn_t csid_isr(int irq, void *dev)
val = readl_relaxed(csid->base + CSID_CSI2_RX_IRQ_STATUS);
writel_relaxed(val, csid->base + CSID_CSI2_RX_IRQ_CLEAR);
- val = readl_relaxed(csid->base + CSID_CSI2_RDIN_IRQ_STATUS(0));
- writel_relaxed(val, csid->base + CSID_CSI2_RDIN_IRQ_CLEAR(0));
+ /* Read and clear IRQ status for each enabled RDI channel */
+ for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++)
+ if (csid->phy.en_vc & BIT(i)) {
+ val = readl_relaxed(csid->base + CSID_CSI2_RDIN_IRQ_STATUS(i));
+ writel_relaxed(val, csid->base + CSID_CSI2_RDIN_IRQ_CLEAR(i));
+ }
val = 1 << IRQ_CMD_CLEAR;
writel_relaxed(val, csid->base + CSID_IRQ_CMD);
diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index a1637b78568b..2a294587ec9d 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -180,6 +180,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
return ret;
}
+ csid->phy.need_vc_update = true;
+
enable_irq(csid->irq);
ret = csid->ops->reset(csid);
@@ -229,7 +231,10 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable)
return -ENOLINK;
}
- csid->ops->configure_stream(csid, enable);
+ if (csid->phy.need_vc_update) {
+ csid->ops->configure_stream(csid, enable);
+ csid->phy.need_vc_update = false;
+ }
return 0;
}
@@ -440,6 +445,7 @@ static int csid_set_format(struct v4l2_subdev *sd,
{
struct csid_device *csid = v4l2_get_subdevdata(sd);
struct v4l2_mbus_framefmt *format;
+ int i;
format = __csid_get_format(csid, sd_state, fmt->pad, fmt->which);
if (format == NULL)
@@ -448,14 +454,14 @@ static int csid_set_format(struct v4l2_subdev *sd,
csid_try_format(csid, sd_state, fmt->pad, &fmt->format, fmt->which);
*format = fmt->format;
- /* Propagate the format from sink to source */
+ /* Propagate the format from sink to source pads */
if (fmt->pad == MSM_CSID_PAD_SINK) {
- format = __csid_get_format(csid, sd_state, MSM_CSID_PAD_SRC,
- fmt->which);
+ for (i = MSM_CSID_PAD_FIRST_SRC; i < MSM_CSID_PADS_NUM; ++i) {
+ format = __csid_get_format(csid, sd_state, i, fmt->which);
- *format = fmt->format;
- csid_try_format(csid, sd_state, MSM_CSID_PAD_SRC, format,
- fmt->which);
+ *format = fmt->format;
+ csid_try_format(csid, sd_state, i, format, fmt->which);
+ }
}
return 0;
@@ -695,7 +701,6 @@ static int csid_link_setup(struct media_entity *entity,
struct csid_device *csid;
struct csiphy_device *csiphy;
struct csiphy_lanes_cfg *lane_cfg;
- struct v4l2_subdev_format format = { 0 };
sd = media_entity_to_v4l2_subdev(entity);
csid = v4l2_get_subdevdata(sd);
@@ -718,11 +723,22 @@ static int csid_link_setup(struct media_entity *entity,
lane_cfg = &csiphy->cfg.csi2->lane_cfg;
csid->phy.lane_cnt = lane_cfg->num_data;
csid->phy.lane_assign = csid_get_lane_assign(lane_cfg);
+ }
+ /* Decide which virtual channels to enable based on which source pads are enabled */
+ if (local->flags & MEDIA_PAD_FL_SOURCE) {
+ struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
+ struct csid_device *csid = v4l2_get_subdevdata(sd);
+ struct device *dev = csid->camss->dev;
+
+ if (flags & MEDIA_LNK_FL_ENABLED)
+ csid->phy.en_vc |= BIT(local->index - 1);
+ else
+ csid->phy.en_vc &= ~BIT(local->index - 1);
- /* Reset format on source pad to sink pad format */
- format.pad = MSM_CSID_PAD_SRC;
- format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
- csid_set_format(&csid->subdev, NULL, &format);
+ csid->phy.need_vc_update = true;
+
+ dev_dbg(dev, "%s: Enabled CSID virtual channels mask 0x%x\n",
+ __func__, csid->phy.en_vc);
}
return 0;
@@ -773,6 +789,7 @@ int msm_csid_register_entity(struct csid_device *csid,
struct v4l2_subdev *sd = &csid->subdev;
struct media_pad *pads = csid->pads;
struct device *dev = csid->camss->dev;
+ int i;
int ret;
v4l2_subdev_init(sd, &csid_v4l2_ops);
@@ -809,7 +826,8 @@ int msm_csid_register_entity(struct csid_device *csid,
}
pads[MSM_CSID_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
- pads[MSM_CSID_PAD_SRC].flags = MEDIA_PAD_FL_SOURCE;
+ for (i = MSM_CSID_PAD_FIRST_SRC; i < MSM_CSID_PADS_NUM; ++i)
+ pads[i].flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER;
sd->entity.ops = &csid_media_ops;
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index 814ebc7c29d6..6b5485fe1833 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -19,8 +19,13 @@
#include <media/v4l2-subdev.h>
#define MSM_CSID_PAD_SINK 0
-#define MSM_CSID_PAD_SRC 1
-#define MSM_CSID_PADS_NUM 2
+#define MSM_CSID_PAD_FIRST_SRC 1
+#define MSM_CSID_PADS_NUM 5
+
+#define MSM_CSID_PAD_SRC (MSM_CSID_PAD_FIRST_SRC)
+
+/* CSID hardware can demultiplex up to 4 outputs */
+#define MSM_CSID_MAX_SRC_STREAMS 4
#define DATA_TYPE_EMBEDDED_DATA_8BIT 0x12
#define DATA_TYPE_YUV420_8BIT 0x18
@@ -81,6 +86,8 @@ struct csid_phy_config {
u8 csiphy_id;
u8 lane_cnt;
u32 lane_assign;
+ u32 en_vc;
+ u8 need_vc_update;
};
struct csid_device;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index 555db1871ec9..8d823bc14700 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -682,10 +682,24 @@ static void xgbe_service(struct work_struct *work)
static void xgbe_service_timer(struct timer_list *t)
{
struct xgbe_prv_data *pdata = from_timer(pdata, t, service_timer);
+ struct xgbe_channel *channel;
+ unsigned int i;
queue_work(pdata->dev_workqueue, &pdata->service_work);
mod_timer(&pdata->service_timer, jiffies + HZ);
+
+ if (!pdata->tx_usecs)
+ return;
+
+ for (i = 0; i < pdata->channel_count; i++) {
+ channel = pdata->channel[i];
+ if (!channel->tx_ring || channel->tx_timer_active)
+ break;
+ channel->tx_timer_active = 1;
+ mod_timer(&channel->tx_timer,
+ jiffies + usecs_to_jiffies(pdata->tx_usecs));
+ }
}
static void xgbe_init_timers(struct xgbe_prv_data *pdata)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
index bafc51c34e0b..5bb7b2210b81 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
@@ -314,10 +314,15 @@ static int xgbe_get_link_ksettings(struct net_device *netdev,
cmd->base.phy_address = pdata->phy.address;
- cmd->base.autoneg = pdata->phy.autoneg;
- cmd->base.speed = pdata->phy.speed;
- cmd->base.duplex = pdata->phy.duplex;
+ if (netif_carrier_ok(netdev)) {
+ cmd->base.speed = pdata->phy.speed;
+ cmd->base.duplex = pdata->phy.duplex;
+ } else {
+ cmd->base.speed = SPEED_UNKNOWN;
+ cmd->base.duplex = DUPLEX_UNKNOWN;
+ }
+ cmd->base.autoneg = pdata->phy.autoneg;
cmd->base.port = PORT_NONE;
XGBE_LM_COPY(cmd, supported, lks, supported);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index ca7372369b3e..60be836b294b 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -1178,7 +1178,19 @@ static int xgbe_phy_config_fixed(struct xgbe_prv_data *pdata)
if (pdata->phy.duplex != DUPLEX_FULL)
return -EINVAL;
- xgbe_set_mode(pdata, mode);
+ /* Force the mode change for SFI in Fixed PHY config.
+ * Fixed PHY configs needs PLL to be enabled while doing mode set.
+ * When the SFP module isn't connected during boot, driver assumes
+ * AN is ON and attempts autonegotiation. However, if the connected
+ * SFP comes up in Fixed PHY config, the link will not come up as
+ * PLL isn't enabled while the initial mode set command is issued.
+ * So, force the mode change for SFI in Fixed PHY configuration to
+ * fix link issues.
+ */
+ if (mode == XGBE_MODE_SFI)
+ xgbe_change_mode(pdata, mode);
+ else
+ xgbe_set_mode(pdata, mode);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
index 483f660cebc4..c3e5ebc41667 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
@@ -1002,6 +1002,7 @@ int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc)
struct ethhdr *eth_hdr;
bool new = false;
int err = 0;
+ u64 vf_num;
u32 ring;
if (!flow_cfg->max_flows) {
@@ -1014,7 +1015,21 @@ int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc)
if (!(pfvf->flags & OTX2_FLAG_NTUPLE_SUPPORT))
return -ENOMEM;
- if (ring >= pfvf->hw.rx_queues && fsp->ring_cookie != RX_CLS_FLOW_DISC)
+ /* Number of queues on a VF can be greater or less than
+ * the PF's queue. Hence no need to check for the
+ * queue count. Hence no need to check queue count if PF
+ * is installing for its VF. Below is the expected vf_num value
+ * based on the ethtool commands.
+ *
+ * e.g.
+ * 1. ethtool -U <netdev> ... action -1 ==> vf_num:255
+ * 2. ethtool -U <netdev> ... action <queue_num> ==> vf_num:0
+ * 3. ethtool -U <netdev> ... vf <vf_idx> queue <queue_num> ==>
+ * vf_num:vf_idx+1
+ */
+ vf_num = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
+ if (!is_otx2_vf(pfvf->pcifunc) && !vf_num &&
+ ring >= pfvf->hw.rx_queues && fsp->ring_cookie != RX_CLS_FLOW_DISC)
return -EINVAL;
if (fsp->location >= otx2_get_maxflows(flow_cfg))
@@ -1096,6 +1111,9 @@ int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc)
flow_cfg->nr_flows++;
}
+ if (flow->is_vf)
+ netdev_info(pfvf->netdev,
+ "Make sure that VF's queue number is within its queue limit\n");
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index a718d42daeb5..8cb4b16ffad7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1838,6 +1838,8 @@ int otx2_stop(struct net_device *netdev)
/* Clear RSS enable flag */
rss = &pf->hw.rss_info;
rss->enable = false;
+ if (!netif_is_rxfh_configured(netdev))
+ kfree(rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP]);
/* Cleanup Queue IRQ */
vec = pci_irq_vector(pf->pdev,
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index e7f6c29b8dd8..63f33126d02f 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -763,7 +763,7 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
if (lp->features & XAE_FEATURE_FULL_TX_CSUM) {
/* Tx Full Checksum Offload Enabled */
cur_p->app0 |= 2;
- } else if (lp->features & XAE_FEATURE_PARTIAL_RX_CSUM) {
+ } else if (lp->features & XAE_FEATURE_PARTIAL_TX_CSUM) {
csum_start_off = skb_transport_offset(skb);
csum_index_off = csum_start_off + skb->csum_offset;
/* Tx Partial Checksum Offload Enabled */
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index ec622e909a68..ce1b299c89f5 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -2227,9 +2227,6 @@ static int netvsc_vf_join(struct net_device *vf_netdev,
goto upper_link_failed;
}
- /* set slave flag before open to prevent IPv6 addrconf */
- vf_netdev->flags |= IFF_SLAVE;
-
schedule_delayed_work(&ndev_ctx->vf_takeover, VF_TAKEOVER_INT);
call_netdevice_notifiers(NETDEV_JOIN, vf_netdev);
@@ -2336,16 +2333,18 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
}
- /* Fallback path to check synthetic vf with
- * help of mac addr
+ /* Fallback path to check synthetic vf with help of mac addr.
+ * Because this function can be called before vf_netdev is
+ * initialized (NETDEV_POST_INIT) when its perm_addr has not been copied
+ * from dev_addr, also try to match to its dev_addr.
+ * Note: On Hyper-V and Azure, it's not possible to set a MAC address
+ * on a VF that matches to the MAC of a unrelated NETVSC device.
*/
list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) {
ndev = hv_get_drvdata(ndev_ctx->device_ctx);
- if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr)) {
- netdev_notice(vf_netdev,
- "falling back to mac addr based matching\n");
+ if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr) ||
+ ether_addr_equal(vf_netdev->dev_addr, ndev->perm_addr))
return ndev;
- }
}
netdev_notice(vf_netdev,
@@ -2353,6 +2352,19 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
return NULL;
}
+static int netvsc_prepare_bonding(struct net_device *vf_netdev)
+{
+ struct net_device *ndev;
+
+ ndev = get_netvsc_byslot(vf_netdev);
+ if (!ndev)
+ return NOTIFY_DONE;
+
+ /* set slave flag before open to prevent IPv6 addrconf */
+ vf_netdev->flags |= IFF_SLAVE;
+ return NOTIFY_DONE;
+}
+
static int netvsc_register_vf(struct net_device *vf_netdev)
{
struct net_device_context *net_device_ctx;
@@ -2772,6 +2784,8 @@ static int netvsc_netdev_event(struct notifier_block *this,
return NOTIFY_DONE;
switch (event) {
+ case NETDEV_POST_INIT:
+ return netvsc_prepare_bonding(event_dev);
case NETDEV_REGISTER:
return netvsc_register_vf(event_dev);
case NETDEV_UNREGISTER:
@@ -2807,12 +2821,17 @@ static int __init netvsc_drv_init(void)
}
netvsc_ring_bytes = ring_size * PAGE_SIZE;
+ register_netdevice_notifier(&netvsc_netdev_notifier);
+
ret = vmbus_driver_register(&netvsc_drv);
if (ret)
- return ret;
+ goto err_vmbus_reg;
- register_netdevice_notifier(&netvsc_netdev_notifier);
return 0;
+
+err_vmbus_reg:
+ unregister_netdevice_notifier(&netvsc_netdev_notifier);
+ return ret;
}
MODULE_LICENSE("GPL");
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 0a2c3860179e..c419baf47813 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1700,11 +1700,11 @@ static int ax88179_reset(struct usbnet *dev)
*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
- msleep(200);
+ msleep(500);
*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
- msleep(100);
+ msleep(200);
/* Ethernet PHY Auto Detach*/
ax88179_auto_detach(dev, 0);
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index 5eaef79c06e1..e5e344af3423 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -193,7 +193,7 @@ static netdev_tx_t wg_xmit(struct sk_buff *skb, struct net_device *dev)
*/
while (skb_queue_len(&peer->staged_packet_queue) > MAX_STAGED_PACKETS) {
dev_kfree_skb(__skb_dequeue(&peer->staged_packet_queue));
- ++dev->stats.tx_dropped;
+ DEV_STATS_INC(dev, tx_dropped);
}
skb_queue_splice_tail(&packets, &peer->staged_packet_queue);
spin_unlock_bh(&peer->staged_packet_queue.lock);
@@ -211,7 +211,7 @@ static netdev_tx_t wg_xmit(struct sk_buff *skb, struct net_device *dev)
else if (skb->protocol == htons(ETH_P_IPV6))
icmpv6_ndo_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0);
err:
- ++dev->stats.tx_errors;
+ DEV_STATS_INC(dev, tx_errors);
kfree_skb(skb);
return ret;
}
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index f500aaf67837..d38b24339a1f 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -423,20 +423,20 @@ static void wg_packet_consume_data_done(struct wg_peer *peer,
net_dbg_skb_ratelimited("%s: Packet has unallowed src IP (%pISc) from peer %llu (%pISpfsc)\n",
dev->name, skb, peer->internal_id,
&peer->endpoint.addr);
- ++dev->stats.rx_errors;
- ++dev->stats.rx_frame_errors;
+ DEV_STATS_INC(dev, rx_errors);
+ DEV_STATS_INC(dev, rx_frame_errors);
goto packet_processed;
dishonest_packet_type:
net_dbg_ratelimited("%s: Packet is neither ipv4 nor ipv6 from peer %llu (%pISpfsc)\n",
dev->name, peer->internal_id, &peer->endpoint.addr);
- ++dev->stats.rx_errors;
- ++dev->stats.rx_frame_errors;
+ DEV_STATS_INC(dev, rx_errors);
+ DEV_STATS_INC(dev, rx_frame_errors);
goto packet_processed;
dishonest_packet_size:
net_dbg_ratelimited("%s: Packet has incorrect size from peer %llu (%pISpfsc)\n",
dev->name, peer->internal_id, &peer->endpoint.addr);
- ++dev->stats.rx_errors;
- ++dev->stats.rx_length_errors;
+ DEV_STATS_INC(dev, rx_errors);
+ DEV_STATS_INC(dev, rx_length_errors);
goto packet_processed;
packet_processed:
dev_kfree_skb(skb);
diff --git a/drivers/net/wireguard/send.c b/drivers/net/wireguard/send.c
index 95c853b59e1d..0d48e0f4a1ba 100644
--- a/drivers/net/wireguard/send.c
+++ b/drivers/net/wireguard/send.c
@@ -333,7 +333,8 @@ static void wg_packet_create_data(struct wg_peer *peer, struct sk_buff *first)
void wg_packet_purge_staged_packets(struct wg_peer *peer)
{
spin_lock_bh(&peer->staged_packet_queue.lock);
- peer->device->dev->stats.tx_dropped += peer->staged_packet_queue.qlen;
+ DEV_STATS_ADD(peer->device->dev, tx_dropped,
+ peer->staged_packet_queue.qlen);
__skb_queue_purge(&peer->staged_packet_queue);
spin_unlock_bh(&peer->staged_packet_queue.lock);
}
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index 7d0454cee920..e5ee3d3ce164 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -206,6 +206,8 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
goto out;
}
+ d->subsysnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
+ d->hostnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
status = nvmet_alloc_ctrl(d->subsysnqn, d->hostnqn, req,
le32_to_cpu(c->kato), &ctrl);
if (status)
@@ -263,6 +265,8 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
goto out;
}
+ d->subsysnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
+ d->hostnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
ctrl = nvmet_ctrl_find_get(d->subsysnqn, d->hostnqn,
le16_to_cpu(d->cntlid), req);
if (!ctrl) {
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 0c6ab288201e..dc73b20e7424 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -697,18 +697,20 @@ static void dasd_profile_start(struct dasd_block *block,
* we count each request only once.
*/
device = cqr->startdev;
- if (device->profile.data) {
- counter = 1; /* request is not yet queued on the start device */
- list_for_each(l, &device->ccw_queue)
- if (++counter >= 31)
- break;
- }
+ if (!device->profile.data)
+ return;
+
+ spin_lock(get_ccwdev_lock(device->cdev));
+ counter = 1; /* request is not yet queued on the start device */
+ list_for_each(l, &device->ccw_queue)
+ if (++counter >= 31)
+ break;
+ spin_unlock(get_ccwdev_lock(device->cdev));
+
spin_lock(&device->profile.lock);
- if (device->profile.data) {
- device->profile.data->dasd_io_nr_req[counter]++;
- if (rq_data_dir(req) == READ)
- device->profile.data->dasd_read_nr_req[counter]++;
- }
+ device->profile.data->dasd_io_nr_req[counter]++;
+ if (rq_data_dir(req) == READ)
+ device->profile.data->dasd_read_nr_req[counter]++;
spin_unlock(&device->profile.lock);
}
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index b23e543b3a3d..8a2cc0405a4a 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -1522,6 +1522,7 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data)
unsigned long flags;
int counter = 0;
+ local_bh_disable();
spin_lock_irqsave(&pdev->lock, flags);
if (pdev->cdnsp_state & (CDNSP_STATE_HALTED | CDNSP_STATE_DYING)) {
@@ -1534,6 +1535,7 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data)
cdnsp_died(pdev);
spin_unlock_irqrestore(&pdev->lock, flags);
+ local_bh_enable();
return IRQ_HANDLED;
}
@@ -1550,6 +1552,7 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data)
cdnsp_update_erst_dequeue(pdev, event_ring_deq, 1);
spin_unlock_irqrestore(&pdev->lock, flags);
+ local_bh_enable();
return IRQ_HANDLED;
}
diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c
index d5f4ec1b73b1..08e2792cb732 100644
--- a/drivers/usb/dwc2/hcd_intr.c
+++ b/drivers/usb/dwc2/hcd_intr.c
@@ -2045,15 +2045,17 @@ static void dwc2_hc_n_intr(struct dwc2_hsotg *hsotg, int chnum)
{
struct dwc2_qtd *qtd;
struct dwc2_host_chan *chan;
- u32 hcint, hcintmsk;
+ u32 hcint, hcintraw, hcintmsk;
chan = hsotg->hc_ptr_array[chnum];
- hcint = dwc2_readl(hsotg, HCINT(chnum));
+ hcintraw = dwc2_readl(hsotg, HCINT(chnum));
hcintmsk = dwc2_readl(hsotg, HCINTMSK(chnum));
+ hcint = hcintraw & hcintmsk;
+ dwc2_writel(hsotg, hcint, HCINT(chnum));
+
if (!chan) {
dev_err(hsotg->dev, "## hc_ptr_array for channel is NULL ##\n");
- dwc2_writel(hsotg, hcint, HCINT(chnum));
return;
}
@@ -2062,11 +2064,9 @@ static void dwc2_hc_n_intr(struct dwc2_hsotg *hsotg, int chnum)
chnum);
dev_vdbg(hsotg->dev,
" hcint 0x%08x, hcintmsk 0x%08x, hcint&hcintmsk 0x%08x\n",
- hcint, hcintmsk, hcint & hcintmsk);
+ hcintraw, hcintmsk, hcint);
}
- dwc2_writel(hsotg, hcint, HCINT(chnum));
-
/*
* If we got an interrupt after someone called
* dwc2_hcd_endpoint_disable() we don't want to crash below
@@ -2076,8 +2076,7 @@ static void dwc2_hc_n_intr(struct dwc2_hsotg *hsotg, int chnum)
return;
}
- chan->hcint = hcint;
- hcint &= hcintmsk;
+ chan->hcint = hcintraw;
/*
* If the channel was halted due to a dequeue, the qtd list might
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 820ffd86e6e1..9e42023e2962 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1701,6 +1701,8 @@ static int dwc3_probe(struct platform_device *pdev)
pm_runtime_put(dev);
+ dma_set_max_seg_size(dev, UINT_MAX);
+
return 0;
err5:
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 81ff21bd405a..ba37bc72a220 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -545,6 +545,7 @@ static int dwc3_setup_role_switch(struct dwc3 *dwc)
dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL;
mode = DWC3_GCTL_PRTCAP_DEVICE;
}
+ dwc3_set_mode(dwc, mode);
dwc3_role_switch.fwnode = dev_fwnode(dwc->dev);
dwc3_role_switch.set = dwc3_usb_role_switch_set;
@@ -554,7 +555,6 @@ static int dwc3_setup_role_switch(struct dwc3 *dwc)
if (IS_ERR(dwc->role_sw))
return PTR_ERR(dwc->role_sw);
- dwc3_set_mode(dwc, mode);
return 0;
}
#else
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 0180350a2c95..41ca893d2d46 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -492,7 +492,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT,
"qcom_dwc3 HS", qcom);
if (ret) {
dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret);
@@ -507,7 +507,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT,
"qcom_dwc3 DP_HS", qcom);
if (ret) {
dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret);
@@ -522,7 +522,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT,
"qcom_dwc3 DM_HS", qcom);
if (ret) {
dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret);
@@ -537,7 +537,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT,
"qcom_dwc3 SS", qcom);
if (ret) {
dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret);
@@ -695,6 +695,7 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
if (!qcom->dwc3) {
ret = -ENODEV;
dev_err(dev, "failed to get dwc3 platform device\n");
+ of_platform_depopulate(dev);
}
node_put:
@@ -703,9 +704,9 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
return ret;
}
-static struct platform_device *
-dwc3_qcom_create_urs_usb_platdev(struct device *dev)
+static struct platform_device *dwc3_qcom_create_urs_usb_platdev(struct device *dev)
{
+ struct platform_device *urs_usb = NULL;
struct fwnode_handle *fwh;
struct acpi_device *adev;
char name[8];
@@ -725,9 +726,26 @@ dwc3_qcom_create_urs_usb_platdev(struct device *dev)
adev = to_acpi_device_node(fwh);
if (!adev)
- return NULL;
+ goto err_put_handle;
+
+ urs_usb = acpi_create_platform_device(adev, NULL);
+ if (IS_ERR_OR_NULL(urs_usb))
+ goto err_put_handle;
+
+ return urs_usb;
- return acpi_create_platform_device(adev, NULL);
+err_put_handle:
+ fwnode_handle_put(fwh);
+
+ return urs_usb;
+}
+
+static void dwc3_qcom_destroy_urs_usb_platdev(struct platform_device *urs_usb)
+{
+ struct fwnode_handle *fwh = urs_usb->dev.fwnode;
+
+ platform_device_unregister(urs_usb);
+ fwnode_handle_put(fwh);
}
static int dwc3_qcom_probe(struct platform_device *pdev)
@@ -811,13 +829,13 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);
if (IS_ERR(qcom->qscratch_base)) {
ret = PTR_ERR(qcom->qscratch_base);
- goto clk_disable;
+ goto free_urs;
}
ret = dwc3_qcom_setup_irq(pdev);
if (ret) {
dev_err(dev, "failed to setup IRQs, err=%d\n", ret);
- goto clk_disable;
+ goto free_urs;
}
/*
@@ -836,7 +854,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
if (ret) {
dev_err(dev, "failed to register DWC3 Core, err=%d\n", ret);
- goto depopulate;
+ goto free_urs;
}
ret = dwc3_qcom_interconnect_init(qcom);
@@ -865,10 +883,16 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
interconnect_exit:
dwc3_qcom_interconnect_exit(qcom);
depopulate:
- if (np)
+ if (np) {
of_platform_depopulate(&pdev->dev);
- else
- platform_device_put(pdev);
+ } else {
+ device_remove_software_node(&qcom->dwc3->dev);
+ platform_device_del(qcom->dwc3);
+ }
+ platform_device_put(qcom->dwc3);
+free_urs:
+ if (qcom->urs_usb)
+ dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
clk_disable:
for (i = qcom->num_clocks - 1; i >= 0; i--) {
clk_disable_unprepare(qcom->clks[i]);
@@ -887,11 +911,16 @@ static int dwc3_qcom_remove(struct platform_device *pdev)
struct device *dev = &pdev->dev;
int i;
- device_remove_software_node(&qcom->dwc3->dev);
- if (np)
+ if (np) {
of_platform_depopulate(&pdev->dev);
- else
- platform_device_put(pdev);
+ } else {
+ device_remove_software_node(&qcom->dwc3->dev);
+ platform_device_del(qcom->dwc3);
+ }
+ platform_device_put(qcom->dwc3);
+
+ if (qcom->urs_usb)
+ dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
for (i = qcom->num_clocks - 1; i >= 0; i--) {
clk_disable_unprepare(qcom->clks[i]);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b9dd714a3ae6..7f2aa72d52e6 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -203,8 +203,8 @@ static void option_instat_callback(struct urb *urb);
#define DELL_PRODUCT_5829E_ESIM 0x81e4
#define DELL_PRODUCT_5829E 0x81e6
-#define DELL_PRODUCT_FM101R 0x8213
-#define DELL_PRODUCT_FM101R_ESIM 0x8215
+#define DELL_PRODUCT_FM101R_ESIM 0x8213
+#define DELL_PRODUCT_FM101R 0x8215
#define KYOCERA_VENDOR_ID 0x0c88
#define KYOCERA_PRODUCT_KPC650 0x17da
@@ -609,6 +609,8 @@ static void option_instat_callback(struct urb *urb);
#define UNISOC_VENDOR_ID 0x1782
/* TOZED LT70-C based on UNISOC SL8563 uses UNISOC's vendor ID */
#define TOZED_PRODUCT_LT70C 0x4055
+/* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
+#define LUAT_PRODUCT_AIR720U 0x4e00
/* Device flags */
@@ -1546,7 +1548,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0167, 0xff, 0xff, 0xff),
.driver_info = RSVD(4) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0189, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0189, 0xff, 0xff, 0xff),
+ .driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0191, 0xff, 0xff, 0xff), /* ZTE EuFi890 */
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0196, 0xff, 0xff, 0xff) },
@@ -2249,6 +2252,7 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x1782, 0x4d10) }, /* Fibocom L610 (AT mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x1782, 0x4d11, 0xff) }, /* Fibocom L610 (ECM/RNDIS mode) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x0001, 0xff, 0xff, 0xff) }, /* Fibocom L716-EU (ECM/RNDIS mode) */
{ USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */
.driver_info = RSVD(4) | RSVD(5) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */
@@ -2271,6 +2275,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index d917b133d2a5..359c9bd7848f 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -5350,6 +5350,15 @@ static void _tcpm_pd_hard_reset(struct tcpm_port *port)
if (port->bist_request == BDO_MODE_TESTDATA && port->tcpc->set_bist_data)
port->tcpc->set_bist_data(port->tcpc, false);
+ switch (port->state) {
+ case ERROR_RECOVERY:
+ case PORT_RESET:
+ case PORT_RESET_WAIT_OFF:
+ return;
+ default:
+ break;
+ }
+
if (port->ams != NONE_AMS)
port->ams = NONE_AMS;
if (port->hard_reset_count < PD_N_HARD_RESET_COUNT)
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index cbdff8979980..86bcf329ebfb 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -564,4 +564,5 @@ const struct dma_map_ops xen_swiotlb_dma_ops = {
.get_sgtable = dma_common_get_sgtable,
.alloc_pages = dma_common_alloc_pages,
.free_pages = dma_common_free_pages,
+ .max_mapping_size = swiotlb_max_mapping_size,
};
diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index db832cc931c8..b35c6081dbfe 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -131,8 +131,8 @@ static int afs_probe_cell_name(struct dentry *dentry)
ret = dns_query(net->net, "afsdb", name, len, "srv=1",
NULL, NULL, false);
- if (ret == -ENODATA)
- ret = -EDESTADDRREQ;
+ if (ret == -ENODATA || ret == -ENOKEY)
+ ret = -ENOENT;
return ret;
}
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 567e61b553f5..183200c6ce20 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -556,6 +556,7 @@ struct afs_server_entry {
};
struct afs_server_list {
+ struct rcu_head rcu;
afs_volid_t vids[AFS_MAXTYPES]; /* Volume IDs */
refcount_t usage;
unsigned char nr_servers;
diff --git a/fs/afs/server_list.c b/fs/afs/server_list.c
index ed9056703505..b59896b1de0a 100644
--- a/fs/afs/server_list.c
+++ b/fs/afs/server_list.c
@@ -17,7 +17,7 @@ void afs_put_serverlist(struct afs_net *net, struct afs_server_list *slist)
for (i = 0; i < slist->nr_servers; i++)
afs_unuse_server(net, slist->servers[i].server,
afs_server_trace_put_slist);
- kfree(slist);
+ kfree_rcu(slist, rcu);
}
}
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 34c68724c98b..910e73bb5a08 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -406,6 +406,8 @@ static int afs_validate_fc(struct fs_context *fc)
return PTR_ERR(volume);
ctx->volume = volume;
+ if (volume->type != AFSVL_RWVOL)
+ ctx->flock_mode = afs_flock_mode_local;
}
return 0;
diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c
index 488e58490b16..eb415ce56360 100644
--- a/fs/afs/vl_rotate.c
+++ b/fs/afs/vl_rotate.c
@@ -58,6 +58,12 @@ static bool afs_start_vl_iteration(struct afs_vl_cursor *vc)
}
/* Status load is ordered after lookup counter load */
+ if (cell->dns_status == DNS_LOOKUP_GOT_NOT_FOUND) {
+ pr_warn("No record of cell %s\n", cell->name);
+ vc->error = -ENOENT;
+ return false;
+ }
+
if (cell->dns_source == DNS_RECORD_UNAVAILABLE) {
vc->error = -EDESTADDRREQ;
return false;
@@ -285,6 +291,7 @@ bool afs_select_vlserver(struct afs_vl_cursor *vc)
*/
static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
{
+ struct afs_cell *cell = vc->cell;
static int count;
int i;
@@ -294,6 +301,9 @@ static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
rcu_read_lock();
pr_notice("EDESTADDR occurred\n");
+ pr_notice("CELL: %s err=%d\n", cell->name, cell->error);
+ pr_notice("DNS: src=%u st=%u lc=%x\n",
+ cell->dns_source, cell->dns_status, cell->dns_lookup_count);
pr_notice("VC: ut=%lx ix=%u ni=%hu fl=%hx err=%hd\n",
vc->untried, vc->index, vc->nr_iterations, vc->flags, vc->error);
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 7806adcc41a7..cccbdfd49a86 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -144,14 +144,17 @@
static struct kmem_cache *ext4_es_cachep;
static struct kmem_cache *ext4_pending_cachep;
-static int __es_insert_extent(struct inode *inode, struct extent_status *newes);
+static int __es_insert_extent(struct inode *inode, struct extent_status *newes,
+ struct extent_status *prealloc);
static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
- ext4_lblk_t end, int *reserved);
+ ext4_lblk_t end, int *reserved,
+ struct extent_status *prealloc);
static int es_reclaim_extents(struct ext4_inode_info *ei, int *nr_to_scan);
static int __es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
struct ext4_inode_info *locked_ei);
-static void __revise_pending(struct inode *inode, ext4_lblk_t lblk,
- ext4_lblk_t len);
+static int __revise_pending(struct inode *inode, ext4_lblk_t lblk,
+ ext4_lblk_t len,
+ struct pending_reservation **prealloc);
int __init ext4_init_es(void)
{
@@ -448,22 +451,49 @@ static void ext4_es_list_del(struct inode *inode)
spin_unlock(&sbi->s_es_lock);
}
-static struct extent_status *
-ext4_es_alloc_extent(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t len,
- ext4_fsblk_t pblk)
+static inline struct pending_reservation *__alloc_pending(bool nofail)
+{
+ if (!nofail)
+ return kmem_cache_alloc(ext4_pending_cachep, GFP_ATOMIC);
+
+ return kmem_cache_zalloc(ext4_pending_cachep, GFP_KERNEL | __GFP_NOFAIL);
+}
+
+static inline void __free_pending(struct pending_reservation *pr)
+{
+ kmem_cache_free(ext4_pending_cachep, pr);
+}
+
+/*
+ * Returns true if we cannot fail to allocate memory for this extent_status
+ * entry and cannot reclaim it until its status changes.
+ */
+static inline bool ext4_es_must_keep(struct extent_status *es)
+{
+ /* fiemap, bigalloc, and seek_data/hole need to use it. */
+ if (ext4_es_is_delayed(es))
+ return true;
+
+ return false;
+}
+
+static inline struct extent_status *__es_alloc_extent(bool nofail)
+{
+ if (!nofail)
+ return kmem_cache_alloc(ext4_es_cachep, GFP_ATOMIC);
+
+ return kmem_cache_zalloc(ext4_es_cachep, GFP_KERNEL | __GFP_NOFAIL);
+}
+
+static void ext4_es_init_extent(struct inode *inode, struct extent_status *es,
+ ext4_lblk_t lblk, ext4_lblk_t len, ext4_fsblk_t pblk)
{
- struct extent_status *es;
- es = kmem_cache_alloc(ext4_es_cachep, GFP_ATOMIC);
- if (es == NULL)
- return NULL;
es->es_lblk = lblk;
es->es_len = len;
es->es_pblk = pblk;
- /*
- * We don't count delayed extent because we never try to reclaim them
- */
- if (!ext4_es_is_delayed(es)) {
+ /* We never try to reclaim a must kept extent, so we don't count it. */
+ if (!ext4_es_must_keep(es)) {
if (!EXT4_I(inode)->i_es_shk_nr++)
ext4_es_list_add(inode);
percpu_counter_inc(&EXT4_SB(inode->i_sb)->
@@ -472,8 +502,11 @@ ext4_es_alloc_extent(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t len,
EXT4_I(inode)->i_es_all_nr++;
percpu_counter_inc(&EXT4_SB(inode->i_sb)->s_es_stats.es_stats_all_cnt);
+}
- return es;
+static inline void __es_free_extent(struct extent_status *es)
+{
+ kmem_cache_free(ext4_es_cachep, es);
}
static void ext4_es_free_extent(struct inode *inode, struct extent_status *es)
@@ -481,8 +514,8 @@ static void ext4_es_free_extent(struct inode *inode, struct extent_status *es)
EXT4_I(inode)->i_es_all_nr--;
percpu_counter_dec(&EXT4_SB(inode->i_sb)->s_es_stats.es_stats_all_cnt);
- /* Decrease the shrink counter when this es is not delayed */
- if (!ext4_es_is_delayed(es)) {
+ /* Decrease the shrink counter when we can reclaim the extent. */
+ if (!ext4_es_must_keep(es)) {
BUG_ON(EXT4_I(inode)->i_es_shk_nr == 0);
if (!--EXT4_I(inode)->i_es_shk_nr)
ext4_es_list_del(inode);
@@ -490,7 +523,7 @@ static void ext4_es_free_extent(struct inode *inode, struct extent_status *es)
s_es_stats.es_stats_shk_cnt);
}
- kmem_cache_free(ext4_es_cachep, es);
+ __es_free_extent(es);
}
/*
@@ -752,7 +785,8 @@ static inline void ext4_es_insert_extent_check(struct inode *inode,
}
#endif
-static int __es_insert_extent(struct inode *inode, struct extent_status *newes)
+static int __es_insert_extent(struct inode *inode, struct extent_status *newes,
+ struct extent_status *prealloc)
{
struct ext4_es_tree *tree = &EXT4_I(inode)->i_es_tree;
struct rb_node **p = &tree->root.rb_node;
@@ -792,10 +826,15 @@ static int __es_insert_extent(struct inode *inode, struct extent_status *newes)
}
}
- es = ext4_es_alloc_extent(inode, newes->es_lblk, newes->es_len,
- newes->es_pblk);
+ if (prealloc)
+ es = prealloc;
+ else
+ es = __es_alloc_extent(false);
if (!es)
return -ENOMEM;
+ ext4_es_init_extent(inode, es, newes->es_lblk, newes->es_len,
+ newes->es_pblk);
+
rb_link_node(&es->rb_node, parent, p);
rb_insert_color(&es->rb_node, &tree->root);
@@ -816,8 +855,12 @@ int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
{
struct extent_status newes;
ext4_lblk_t end = lblk + len - 1;
- int err = 0;
+ int err1 = 0, err2 = 0, err3 = 0;
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
+ struct extent_status *es1 = NULL;
+ struct extent_status *es2 = NULL;
+ struct pending_reservation *pr = NULL;
+ bool revise_pending = false;
if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
return 0;
@@ -845,29 +888,57 @@ int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
ext4_es_insert_extent_check(inode, &newes);
+ revise_pending = sbi->s_cluster_ratio > 1 &&
+ test_opt(inode->i_sb, DELALLOC) &&
+ (status & (EXTENT_STATUS_WRITTEN |
+ EXTENT_STATUS_UNWRITTEN));
+retry:
+ if (err1 && !es1)
+ es1 = __es_alloc_extent(true);
+ if ((err1 || err2) && !es2)
+ es2 = __es_alloc_extent(true);
+ if ((err1 || err2 || err3) && revise_pending && !pr)
+ pr = __alloc_pending(true);
write_lock(&EXT4_I(inode)->i_es_lock);
- err = __es_remove_extent(inode, lblk, end, NULL);
- if (err != 0)
+
+ err1 = __es_remove_extent(inode, lblk, end, NULL, es1);
+ if (err1 != 0)
goto error;
-retry:
- err = __es_insert_extent(inode, &newes);
- if (err == -ENOMEM && __es_shrink(EXT4_SB(inode->i_sb),
- 128, EXT4_I(inode)))
- goto retry;
- if (err == -ENOMEM && !ext4_es_is_delayed(&newes))
- err = 0;
+ /* Free preallocated extent if it didn't get used. */
+ if (es1) {
+ if (!es1->es_len)
+ __es_free_extent(es1);
+ es1 = NULL;
+ }
- if (sbi->s_cluster_ratio > 1 && test_opt(inode->i_sb, DELALLOC) &&
- (status & EXTENT_STATUS_WRITTEN ||
- status & EXTENT_STATUS_UNWRITTEN))
- __revise_pending(inode, lblk, len);
+ err2 = __es_insert_extent(inode, &newes, es2);
+ if (err2 == -ENOMEM && !ext4_es_must_keep(&newes))
+ err2 = 0;
+ if (err2 != 0)
+ goto error;
+ /* Free preallocated extent if it didn't get used. */
+ if (es2) {
+ if (!es2->es_len)
+ __es_free_extent(es2);
+ es2 = NULL;
+ }
+ if (revise_pending) {
+ err3 = __revise_pending(inode, lblk, len, &pr);
+ if (err3 != 0)
+ goto error;
+ if (pr) {
+ __free_pending(pr);
+ pr = NULL;
+ }
+ }
error:
write_unlock(&EXT4_I(inode)->i_es_lock);
+ if (err1 || err2 || err3)
+ goto retry;
ext4_es_print_tree(inode);
-
- return err;
+ return 0;
}
/*
@@ -900,7 +971,7 @@ void ext4_es_cache_extent(struct inode *inode, ext4_lblk_t lblk,
es = __es_tree_search(&EXT4_I(inode)->i_es_tree.root, lblk);
if (!es || es->es_lblk > end)
- __es_insert_extent(inode, &newes);
+ __es_insert_extent(inode, &newes, NULL);
write_unlock(&EXT4_I(inode)->i_es_lock);
}
@@ -1271,7 +1342,7 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end,
rc->ndelonly--;
node = rb_next(&pr->rb_node);
rb_erase(&pr->rb_node, &tree->root);
- kmem_cache_free(ext4_pending_cachep, pr);
+ __free_pending(pr);
if (!node)
break;
pr = rb_entry(node, struct pending_reservation,
@@ -1290,6 +1361,7 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end,
* @lblk - first block in range
* @end - last block in range
* @reserved - number of cluster reservations released
+ * @prealloc - pre-allocated es to avoid memory allocation failures
*
* If @reserved is not NULL and delayed allocation is enabled, counts
* block/cluster reservations freed by removing range and if bigalloc
@@ -1297,7 +1369,8 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end,
* error code on failure.
*/
static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
- ext4_lblk_t end, int *reserved)
+ ext4_lblk_t end, int *reserved,
+ struct extent_status *prealloc)
{
struct ext4_es_tree *tree = &EXT4_I(inode)->i_es_tree;
struct rb_node *node;
@@ -1305,14 +1378,12 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
struct extent_status orig_es;
ext4_lblk_t len1, len2;
ext4_fsblk_t block;
- int err;
+ int err = 0;
bool count_reserved = true;
struct rsvd_count rc;
if (reserved == NULL || !test_opt(inode->i_sb, DELALLOC))
count_reserved = false;
-retry:
- err = 0;
es = __es_tree_search(&tree->root, lblk);
if (!es)
@@ -1346,14 +1417,13 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
orig_es.es_len - len2;
ext4_es_store_pblock_status(&newes, block,
ext4_es_status(&orig_es));
- err = __es_insert_extent(inode, &newes);
+ err = __es_insert_extent(inode, &newes, prealloc);
if (err) {
+ if (!ext4_es_must_keep(&newes))
+ return 0;
+
es->es_lblk = orig_es.es_lblk;
es->es_len = orig_es.es_len;
- if ((err == -ENOMEM) &&
- __es_shrink(EXT4_SB(inode->i_sb),
- 128, EXT4_I(inode)))
- goto retry;
goto out;
}
} else {
@@ -1433,6 +1503,7 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
ext4_lblk_t end;
int err = 0;
int reserved = 0;
+ struct extent_status *es = NULL;
if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
return 0;
@@ -1447,17 +1518,29 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
end = lblk + len - 1;
BUG_ON(end < lblk);
+retry:
+ if (err && !es)
+ es = __es_alloc_extent(true);
/*
* ext4_clear_inode() depends on us taking i_es_lock unconditionally
* so that we are sure __es_shrink() is done with the inode before it
* is reclaimed.
*/
write_lock(&EXT4_I(inode)->i_es_lock);
- err = __es_remove_extent(inode, lblk, end, &reserved);
+ err = __es_remove_extent(inode, lblk, end, &reserved, es);
+ /* Free preallocated extent if it didn't get used. */
+ if (es) {
+ if (!es->es_len)
+ __es_free_extent(es);
+ es = NULL;
+ }
write_unlock(&EXT4_I(inode)->i_es_lock);
+ if (err)
+ goto retry;
+
ext4_es_print_tree(inode);
ext4_da_release_space(inode, reserved);
- return err;
+ return 0;
}
static int __es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
@@ -1704,11 +1787,8 @@ static int es_do_reclaim_extents(struct ext4_inode_info *ei, ext4_lblk_t end,
(*nr_to_scan)--;
node = rb_next(&es->rb_node);
- /*
- * We can't reclaim delayed extent from status tree because
- * fiemap, bigallic, and seek_data/hole need to use it.
- */
- if (ext4_es_is_delayed(es))
+
+ if (ext4_es_must_keep(es))
goto next;
if (ext4_es_is_referenced(es)) {
ext4_es_clear_referenced(es);
@@ -1772,7 +1852,7 @@ void ext4_clear_inode_es(struct inode *inode)
while (node) {
es = rb_entry(node, struct extent_status, rb_node);
node = rb_next(node);
- if (!ext4_es_is_delayed(es)) {
+ if (!ext4_es_must_keep(es)) {
rb_erase(&es->rb_node, &tree->root);
ext4_es_free_extent(inode, es);
}
@@ -1859,11 +1939,13 @@ static struct pending_reservation *__get_pending(struct inode *inode,
*
* @inode - file containing the cluster
* @lblk - logical block in the cluster to be added
+ * @prealloc - preallocated pending entry
*
* Returns 0 on successful insertion and -ENOMEM on failure. If the
* pending reservation is already in the set, returns successfully.
*/
-static int __insert_pending(struct inode *inode, ext4_lblk_t lblk)
+static int __insert_pending(struct inode *inode, ext4_lblk_t lblk,
+ struct pending_reservation **prealloc)
{
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
struct ext4_pending_tree *tree = &EXT4_I(inode)->i_pending_tree;
@@ -1889,10 +1971,15 @@ static int __insert_pending(struct inode *inode, ext4_lblk_t lblk)
}
}
- pr = kmem_cache_alloc(ext4_pending_cachep, GFP_ATOMIC);
- if (pr == NULL) {
- ret = -ENOMEM;
- goto out;
+ if (likely(*prealloc == NULL)) {
+ pr = __alloc_pending(false);
+ if (!pr) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ } else {
+ pr = *prealloc;
+ *prealloc = NULL;
}
pr->lclu = lclu;
@@ -1922,7 +2009,7 @@ static void __remove_pending(struct inode *inode, ext4_lblk_t lblk)
if (pr != NULL) {
tree = &EXT4_I(inode)->i_pending_tree;
rb_erase(&pr->rb_node, &tree->root);
- kmem_cache_free(ext4_pending_cachep, pr);
+ __free_pending(pr);
}
}
@@ -1983,7 +2070,10 @@ int ext4_es_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk,
bool allocated)
{
struct extent_status newes;
- int err = 0;
+ int err1 = 0, err2 = 0, err3 = 0;
+ struct extent_status *es1 = NULL;
+ struct extent_status *es2 = NULL;
+ struct pending_reservation *pr = NULL;
if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
return 0;
@@ -1998,29 +2088,52 @@ int ext4_es_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk,
ext4_es_insert_extent_check(inode, &newes);
+retry:
+ if (err1 && !es1)
+ es1 = __es_alloc_extent(true);
+ if ((err1 || err2) && !es2)
+ es2 = __es_alloc_extent(true);
+ if ((err1 || err2 || err3) && allocated && !pr)
+ pr = __alloc_pending(true);
write_lock(&EXT4_I(inode)->i_es_lock);
- err = __es_remove_extent(inode, lblk, lblk, NULL);
- if (err != 0)
- goto error;
-retry:
- err = __es_insert_extent(inode, &newes);
- if (err == -ENOMEM && __es_shrink(EXT4_SB(inode->i_sb),
- 128, EXT4_I(inode)))
- goto retry;
- if (err != 0)
+ err1 = __es_remove_extent(inode, lblk, lblk, NULL, es1);
+ if (err1 != 0)
goto error;
+ /* Free preallocated extent if it didn't get used. */
+ if (es1) {
+ if (!es1->es_len)
+ __es_free_extent(es1);
+ es1 = NULL;
+ }
- if (allocated)
- __insert_pending(inode, lblk);
+ err2 = __es_insert_extent(inode, &newes, es2);
+ if (err2 != 0)
+ goto error;
+ /* Free preallocated extent if it didn't get used. */
+ if (es2) {
+ if (!es2->es_len)
+ __es_free_extent(es2);
+ es2 = NULL;
+ }
+ if (allocated) {
+ err3 = __insert_pending(inode, lblk, &pr);
+ if (err3 != 0)
+ goto error;
+ if (pr) {
+ __free_pending(pr);
+ pr = NULL;
+ }
+ }
error:
write_unlock(&EXT4_I(inode)->i_es_lock);
+ if (err1 || err2 || err3)
+ goto retry;
ext4_es_print_tree(inode);
ext4_print_pending_tree(inode);
-
- return err;
+ return 0;
}
/*
@@ -2121,21 +2234,24 @@ unsigned int ext4_es_delayed_clu(struct inode *inode, ext4_lblk_t lblk,
* @inode - file containing the range
* @lblk - logical block defining the start of range
* @len - length of range in blocks
+ * @prealloc - preallocated pending entry
*
* Used after a newly allocated extent is added to the extents status tree.
* Requires that the extents in the range have either written or unwritten
* status. Must be called while holding i_es_lock.
*/
-static void __revise_pending(struct inode *inode, ext4_lblk_t lblk,
- ext4_lblk_t len)
+static int __revise_pending(struct inode *inode, ext4_lblk_t lblk,
+ ext4_lblk_t len,
+ struct pending_reservation **prealloc)
{
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
ext4_lblk_t end = lblk + len - 1;
ext4_lblk_t first, last;
bool f_del = false, l_del = false;
+ int ret = 0;
if (len == 0)
- return;
+ return 0;
/*
* Two cases - block range within single cluster and block range
@@ -2156,7 +2272,9 @@ static void __revise_pending(struct inode *inode, ext4_lblk_t lblk,
f_del = __es_scan_range(inode, &ext4_es_is_delonly,
first, lblk - 1);
if (f_del) {
- __insert_pending(inode, first);
+ ret = __insert_pending(inode, first, prealloc);
+ if (ret < 0)
+ goto out;
} else {
last = EXT4_LBLK_CMASK(sbi, end) +
sbi->s_cluster_ratio - 1;
@@ -2164,9 +2282,11 @@ static void __revise_pending(struct inode *inode, ext4_lblk_t lblk,
l_del = __es_scan_range(inode,
&ext4_es_is_delonly,
end + 1, last);
- if (l_del)
- __insert_pending(inode, last);
- else
+ if (l_del) {
+ ret = __insert_pending(inode, last, prealloc);
+ if (ret < 0)
+ goto out;
+ } else
__remove_pending(inode, last);
}
} else {
@@ -2174,18 +2294,24 @@ static void __revise_pending(struct inode *inode, ext4_lblk_t lblk,
if (first != lblk)
f_del = __es_scan_range(inode, &ext4_es_is_delonly,
first, lblk - 1);
- if (f_del)
- __insert_pending(inode, first);
- else
+ if (f_del) {
+ ret = __insert_pending(inode, first, prealloc);
+ if (ret < 0)
+ goto out;
+ } else
__remove_pending(inode, first);
last = EXT4_LBLK_CMASK(sbi, end) + sbi->s_cluster_ratio - 1;
if (last != end)
l_del = __es_scan_range(inode, &ext4_es_is_delonly,
end + 1, last);
- if (l_del)
- __insert_pending(inode, last);
- else
+ if (l_del) {
+ ret = __insert_pending(inode, last, prealloc);
+ if (ret < 0)
+ goto out;
+ } else
__remove_pending(inode, last);
}
+out:
+ return ret;
}
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index caa421ba078f..4192fe6ec3da 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1780,6 +1780,13 @@ static const char *sysctl_find_alias(char *param)
return NULL;
}
+bool sysctl_is_alias(char *param)
+{
+ const char *alias = sysctl_find_alias(param);
+
+ return alias != NULL;
+}
+
/* Set sysctl value passed on kernel command line. */
static int process_sysctl_arg(char *param, char *val,
const char *unused, void *arg)
diff --git a/include/linux/hid.h b/include/linux/hid.h
index c3478e396829..ad97435d8e01 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -630,8 +630,13 @@ struct hid_device { /* device report descriptor */
struct list_head debug_list;
spinlock_t debug_list_lock;
wait_queue_head_t debug_wait;
+ struct kref ref;
+
+ unsigned int id; /* system unique id */
};
+void hiddev_free(struct kref *ref);
+
#define to_hid_device(pdev) \
container_of(pdev, struct hid_device, dev)
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 47cf70c8eb93..32d79ef906e5 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -210,6 +210,7 @@ extern void __register_sysctl_init(const char *path, struct ctl_table *table,
const char *table_name);
#define register_sysctl_init(path, table) __register_sysctl_init(path, table, #table)
void do_sysctl_args(void);
+bool sysctl_is_alias(char *param);
extern int pwrsw_enabled;
extern int unaligned_enabled;
@@ -251,6 +252,11 @@ static inline void setup_sysctl_set(struct ctl_table_set *p,
static inline void do_sysctl_args(void)
{
}
+
+static inline bool sysctl_is_alias(char *param)
+{
+ return false;
+}
#endif /* CONFIG_SYSCTL */
int sysctl_max_threads(struct ctl_table *table, int write, void *buffer,
diff --git a/init/main.c b/init/main.c
index 63737af8de51..5c81d7fb2fe9 100644
--- a/init/main.c
+++ b/init/main.c
@@ -540,6 +540,10 @@ static int __init unknown_bootoption(char *param, char *val,
{
size_t len = strlen(param);
+ /* Handle params aliased to sysctls */
+ if (sysctl_is_alias(param))
+ return 0;
+
repair_env_string(param, val);
/* Handle obsolete-style parameters */
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index e26292d8b845..5b2dbd3dc2de 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3152,7 +3152,7 @@ static int __io_import_fixed(struct io_kiocb *req, int rw, struct iov_iter *iter
*/
const struct bio_vec *bvec = imu->bvec;
- if (offset <= bvec->bv_len) {
+ if (offset < bvec->bv_len) {
iov_iter_advance(iter, offset);
} else {
unsigned long seg_skip;
@@ -4049,7 +4049,7 @@ static int io_linkat_prep(struct io_kiocb *req,
newf = u64_to_user_ptr(READ_ONCE(sqe->addr2));
lnk->flags = READ_ONCE(sqe->hardlink_flags);
- lnk->oldpath = getname(oldf);
+ lnk->oldpath = getname_uflags(oldf, lnk->flags);
if (IS_ERR(lnk->oldpath))
return PTR_ERR(lnk->oldpath);
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index e6a282bc1665..770ff5bf1487 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -3416,7 +3416,8 @@ static int alloc_chain_hlocks(int req)
size = chain_block_size(curr);
if (likely(size >= req)) {
del_chain_block(0, size, chain_block_next(curr));
- add_chain_block(curr + req, size - req);
+ if (size > req)
+ add_chain_block(curr + req, size - req);
return curr;
}
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ea5329cb0fce..12c59d700942 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -786,7 +786,7 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow
goto reject_redirect;
}
- n = __ipv4_neigh_lookup(rt->dst.dev, new_gw);
+ n = __ipv4_neigh_lookup(rt->dst.dev, (__force u32)new_gw);
if (!n)
n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev);
if (!IS_ERR(n)) {
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 49cf523a783a..8c11eb70c0f6 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -398,8 +398,12 @@ static int smcr_clnt_conf_first_link(struct smc_sock *smc)
struct smc_llc_qentry *qentry;
int rc;
- /* receive CONFIRM LINK request from server over RoCE fabric */
- qentry = smc_llc_wait(link->lgr, NULL, SMC_LLC_WAIT_TIME,
+ /* Receive CONFIRM LINK request from server over RoCE fabric.
+ * Increasing the client's timeout by twice as much as the server's
+ * timeout by default can temporarily avoid decline messages of
+ * both sides crossing or colliding
+ */
+ qentry = smc_llc_wait(link->lgr, NULL, 2 * SMC_LLC_WAIT_TIME,
SMC_LLC_CONFIRM_LINK);
if (!qentry) {
struct smc_clc_msg_decline dclc;
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