Re: Linux 4.19.76

From: Greg KH
Date: Tue Oct 01 2019 - 03:14:42 EST

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diff --git a/Makefile b/Makefile
index 4bf6f24916bf..9cb471a75a1b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 75
+SUBLEVEL = 76
EXTRAVERSION =
NAME = "People's Front"

diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index ff3866473afe..d8d886dee54e 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -275,7 +275,7 @@ int64_t opal_xive_get_vp_info(uint64_t vp,
int64_t opal_xive_set_vp_info(uint64_t vp,
uint64_t flags,
uint64_t report_cl_pair);
-int64_t opal_xive_allocate_irq(uint32_t chip_id);
+int64_t opal_xive_allocate_irq_raw(uint32_t chip_id);
int64_t opal_xive_free_irq(uint32_t girq);
int64_t opal_xive_sync(uint32_t type, uint32_t id);
int64_t opal_xive_dump(uint32_t type, uint32_t id);
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index f4875fe3f8ff..74215ebda142 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -303,7 +303,7 @@ OPAL_CALL(opal_xive_set_queue_info, OPAL_XIVE_SET_QUEUE_INFO);
OPAL_CALL(opal_xive_donate_page, OPAL_XIVE_DONATE_PAGE);
OPAL_CALL(opal_xive_alloc_vp_block, OPAL_XIVE_ALLOCATE_VP_BLOCK);
OPAL_CALL(opal_xive_free_vp_block, OPAL_XIVE_FREE_VP_BLOCK);
-OPAL_CALL(opal_xive_allocate_irq, OPAL_XIVE_ALLOCATE_IRQ);
+OPAL_CALL(opal_xive_allocate_irq_raw, OPAL_XIVE_ALLOCATE_IRQ);
OPAL_CALL(opal_xive_free_irq, OPAL_XIVE_FREE_IRQ);
OPAL_CALL(opal_xive_get_vp_info, OPAL_XIVE_GET_VP_INFO);
OPAL_CALL(opal_xive_set_vp_info, OPAL_XIVE_SET_VP_INFO);
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index 5b20a678d755..6d5b28022452 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -235,6 +235,17 @@ static bool xive_native_match(struct device_node *node)
return of_device_is_compatible(node, "ibm,opal-xive-vc");
}

+static s64 opal_xive_allocate_irq(u32 chip_id)
+{
+ s64 irq = opal_xive_allocate_irq_raw(chip_id);
+
+ /*
+ * Old versions of skiboot can incorrectly return 0xffffffff to
+ * indicate no space, fix it up here.
+ */
+ return irq == 0xffffffff ? OPAL_RESOURCE : irq;
+}
+
#ifdef CONFIG_SMP
static int xive_native_get_ipi(unsigned int cpu, struct xive_cpu *xc)
{
diff --git a/block/blk-core.c b/block/blk-core.c
index af635f878f96..074ae9376189 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1165,7 +1165,7 @@ int blk_init_allocated_queue(struct request_queue *q)
{
WARN_ON_ONCE(q->mq_ops);

- q->fq = blk_alloc_flush_queue(q, NUMA_NO_NODE, q->cmd_size);
+ q->fq = blk_alloc_flush_queue(q, NUMA_NO_NODE, q->cmd_size, GFP_KERNEL);
if (!q->fq)
return -ENOMEM;

diff --git a/block/blk-flush.c b/block/blk-flush.c
index 76487948a27f..87fc49daa2b4 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -566,12 +566,12 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
EXPORT_SYMBOL(blkdev_issue_flush);

struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
- int node, int cmd_size)
+ int node, int cmd_size, gfp_t flags)
{
struct blk_flush_queue *fq;
int rq_sz = sizeof(struct request);

- fq = kzalloc_node(sizeof(*fq), GFP_KERNEL, node);
+ fq = kzalloc_node(sizeof(*fq), flags, node);
if (!fq)
goto fail;

@@ -579,7 +579,7 @@ struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
spin_lock_init(&fq->mq_flush_lock);

rq_sz = round_up(rq_sz + cmd_size, cache_line_size());
- fq->flush_rq = kzalloc_node(rq_sz, GFP_KERNEL, node);
+ fq->flush_rq = kzalloc_node(rq_sz, flags, node);
if (!fq->flush_rq)
goto fail_rq;

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 455fda99255a..7ea85ec52026 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2198,12 +2198,12 @@ static int blk_mq_init_hctx(struct request_queue *q,
* runtime
*/
hctx->ctxs = kmalloc_array_node(nr_cpu_ids, sizeof(void *),
- GFP_KERNEL, node);
+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY, node);
if (!hctx->ctxs)
goto unregister_cpu_notifier;

- if (sbitmap_init_node(&hctx->ctx_map, nr_cpu_ids, ilog2(8), GFP_KERNEL,
- node))
+ if (sbitmap_init_node(&hctx->ctx_map, nr_cpu_ids, ilog2(8),
+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY, node))
goto free_ctxs;

hctx->nr_ctx = 0;
@@ -2216,7 +2216,8 @@ static int blk_mq_init_hctx(struct request_queue *q,
set->ops->init_hctx(hctx, set->driver_data, hctx_idx))
goto free_bitmap;

- hctx->fq = blk_alloc_flush_queue(q, hctx->numa_node, set->cmd_size);
+ hctx->fq = blk_alloc_flush_queue(q, hctx->numa_node, set->cmd_size,
+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY);
if (!hctx->fq)
goto exit_hctx;

@@ -2460,8 +2461,6 @@ void blk_mq_release(struct request_queue *q)
struct blk_mq_hw_ctx *hctx;
unsigned int i;

- cancel_delayed_work_sync(&q->requeue_work);
-
/* hctx kobj stays in hctx */
queue_for_each_hw_ctx(q, hctx, i) {
if (!hctx)
@@ -2530,12 +2529,14 @@ static void blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set,

node = blk_mq_hw_queue_to_node(q->mq_map, i);
hctxs[i] = kzalloc_node(blk_mq_hw_ctx_size(set),
- GFP_KERNEL, node);
+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY,
+ node);
if (!hctxs[i])
break;

- if (!zalloc_cpumask_var_node(&hctxs[i]->cpumask, GFP_KERNEL,
- node)) {
+ if (!zalloc_cpumask_var_node(&hctxs[i]->cpumask,
+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY,
+ node)) {
kfree(hctxs[i]);
hctxs[i] = NULL;
break;
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 3772671cf2bc..bab47a17b96f 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -836,6 +836,9 @@ static void __blk_release_queue(struct work_struct *work)

blk_free_queue_stats(q->stats);

+ if (q->mq_ops)
+ cancel_delayed_work_sync(&q->requeue_work);
+
blk_exit_rl(q, &q->root_rl);

if (q->queue_tags)
diff --git a/block/blk.h b/block/blk.h
index 977d4b5d968d..11e4ca2f2cd4 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -124,7 +124,7 @@ static inline void __blk_get_queue(struct request_queue *q)
}

struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
- int node, int cmd_size);
+ int node, int cmd_size, gfp_t flags);
void blk_free_flush_queue(struct blk_flush_queue *q);

int blk_init_rl(struct request_list *rl, struct request_queue *q,
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index d73afb562ad9..1a23e7aa74df 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -73,6 +73,12 @@ module_param(report_key_events, int, 0644);
MODULE_PARM_DESC(report_key_events,
"0: none, 1: output changes, 2: brightness changes, 3: all");

+static int hw_changes_brightness = -1;
+module_param(hw_changes_brightness, int, 0644);
+MODULE_PARM_DESC(hw_changes_brightness,
+ "Set this to 1 on buggy hw which changes the brightness itself when "
+ "a hotkey is pressed: -1: auto, 0: normal 1: hw-changes-brightness");
+
/*
* Whether the struct acpi_video_device_attrib::device_id_scheme bit should be
* assumed even if not actually set.
@@ -418,6 +424,14 @@ static int video_set_report_key_events(const struct dmi_system_id *id)
return 0;
}

+static int video_hw_changes_brightness(
+ const struct dmi_system_id *d)
+{
+ if (hw_changes_brightness == -1)
+ hw_changes_brightness = 1;
+ return 0;
+}
+
static const struct dmi_system_id video_dmi_table[] = {
/*
* Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121
@@ -542,6 +556,21 @@ static const struct dmi_system_id video_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"),
},
},
+ /*
+ * Some machines change the brightness themselves when a brightness
+ * hotkey gets pressed, despite us telling them not to. In this case
+ * acpi_video_device_notify() should only call backlight_force_update(
+ * BACKLIGHT_UPDATE_HOTKEY) and not do anything else.
+ */
+ {
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=204077 */
+ .callback = video_hw_changes_brightness,
+ .ident = "Packard Bell EasyNote MZ35",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "EasyNote MZ35"),
+ },
+ },
{}
};

@@ -1625,6 +1654,14 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
bus = video_device->video;
input = bus->input;

+ if (hw_changes_brightness > 0) {
+ if (video_device->backlight)
+ backlight_force_update(video_device->backlight,
+ BACKLIGHT_UPDATE_HOTKEY);
+ acpi_notifier_call_chain(device, event, 0);
+ return;
+ }
+
switch (event) {
case ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS: /* Cycle brightness */
brightness_switch_event(video_device, event);
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 1342f8e6025c..8d1cd2479e36 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -639,6 +639,26 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
}
EXPORT_SYMBOL_GPL(btrtl_setup_realtek);

+int btrtl_shutdown_realtek(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int ret;
+
+ /* According to the vendor driver, BT must be reset on close to avoid
+ * firmware crash.
+ */
+ skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ bt_dev_err(hdev, "HCI reset during shutdown failed");
+ return ret;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btrtl_shutdown_realtek);
+
static unsigned int btrtl_convert_baudrate(u32 device_baudrate)
{
switch (device_baudrate) {
diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h
index f5e36f3993a8..852f27d4ee28 100644
--- a/drivers/bluetooth/btrtl.h
+++ b/drivers/bluetooth/btrtl.h
@@ -65,6 +65,7 @@ void btrtl_free(struct btrtl_device_info *btrtl_dev);
int btrtl_download_firmware(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev);
int btrtl_setup_realtek(struct hci_dev *hdev);
+int btrtl_shutdown_realtek(struct hci_dev *hdev);
int btrtl_get_uart_settings(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev,
unsigned int *controller_baudrate,
@@ -93,6 +94,11 @@ static inline int btrtl_setup_realtek(struct hci_dev *hdev)
return -EOPNOTSUPP;
}

+static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
+
static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev,
unsigned int *controller_baudrate,
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 09c83dc2ef67..08936bf696d3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -391,6 +391,9 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
{ USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },

+ /* Additional Realtek 8822CE Bluetooth devices */
+ { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
+
/* Silicon Wave based devices */
{ USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },

@@ -3128,6 +3131,7 @@ static int btusb_probe(struct usb_interface *intf,
#ifdef CONFIG_BT_HCIBTUSB_RTL
if (id->driver_info & BTUSB_REALTEK) {
hdev->setup = btrtl_setup_realtek;
+ hdev->shutdown = btrtl_shutdown_realtek;

/* Realtek devices lose their updated firmware over suspend,
* but the USB hub doesn't notice any status change.
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 064315edd289..634ae487c372 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -3124,6 +3124,7 @@ static int talitos_remove(struct platform_device *ofdev)
break;
case CRYPTO_ALG_TYPE_AEAD:
crypto_unregister_aead(&t_alg->algt.alg.aead);
+ break;
case CRYPTO_ALG_TYPE_AHASH:
crypto_unregister_ahash(&t_alg->algt.alg.hash);
break;
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile
index 95f332ee3e7e..16614d73a5fc 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile
@@ -32,6 +32,10 @@ endif

calcs_ccflags := -mhard-float -msse $(cc_stack_align)

+ifdef CONFIG_CC_IS_CLANG
+calcs_ccflags += -msse2
+endif
+
CFLAGS_dcn_calcs.o := $(calcs_ccflags)
CFLAGS_dcn_calc_auto.o := $(calcs_ccflags)
CFLAGS_dcn_calc_math.o := $(calcs_ccflags) -Wno-tautological-compare
diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile
index d97ca6528f9d..934ffe1b4b00 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile
@@ -32,6 +32,10 @@ endif

dml_ccflags := -mhard-float -msse $(cc_stack_align)

+ifdef CONFIG_CC_IS_CLANG
+dml_ccflags += -msse2
+endif
+
CFLAGS_display_mode_lib.o := $(dml_ccflags)
CFLAGS_display_pipe_clocks.o := $(dml_ccflags)
CFLAGS_dml1_display_rq_dlg_calc.o := $(dml_ccflags)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index c9a15baf2c10..0adfc5392cd3 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -1222,17 +1222,14 @@ static int smu8_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,

static int smu8_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr)
{
- if (PP_CAP(PHM_PlatformCaps_UVDPowerGating)) {
- smu8_nbdpm_pstate_enable_disable(hwmgr, true, true);
+ if (PP_CAP(PHM_PlatformCaps_UVDPowerGating))
return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UVDPowerOFF);
- }
return 0;
}

static int smu8_dpm_powerup_uvd(struct pp_hwmgr *hwmgr)
{
if (PP_CAP(PHM_PlatformCaps_UVDPowerGating)) {
- smu8_nbdpm_pstate_enable_disable(hwmgr, false, true);
return smum_send_msg_to_smc_with_parameter(
hwmgr,
PPSMC_MSG_UVDPowerON,
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index d18b7e27ef64..c0b26135dbd5 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -581,6 +581,9 @@ static void output_poll_execute(struct work_struct *work)
enum drm_connector_status old_status;
bool repoll = false, changed;

+ if (!dev->mode_config.poll_enabled)
+ return;
+
/* Pick up any changes detected by the probe functions. */
changed = dev->mode_config.delayed_event;
dev->mode_config.delayed_event = false;
@@ -735,7 +738,11 @@ EXPORT_SYMBOL(drm_kms_helper_poll_init);
*/
void drm_kms_helper_poll_fini(struct drm_device *dev)
{
- drm_kms_helper_poll_disable(dev);
+ if (!dev->mode_config.poll_enabled)
+ return;
+
+ dev->mode_config.poll_enabled = false;
+ cancel_delayed_work_sync(&dev->mode_config.output_poll_work);
}
EXPORT_SYMBOL(drm_kms_helper_poll_fini);

diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c
index d81a99bb2ac3..b041ffb3af27 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
@@ -169,14 +169,34 @@ nv50_head_atomic_check_view(struct nv50_head_atom *armh,
*/
switch (mode) {
case DRM_MODE_SCALE_CENTER:
- asyh->view.oW = min((u16)umode->hdisplay, asyh->view.oW);
- asyh->view.oH = min((u16)umode_vdisplay, asyh->view.oH);
- /* fall-through */
+ /* NOTE: This will cause scaling when the input is
+ * larger than the output.
+ */
+ asyh->view.oW = min(asyh->view.iW, asyh->view.oW);
+ asyh->view.oH = min(asyh->view.iH, asyh->view.oH);
+ break;
case DRM_MODE_SCALE_ASPECT:
- if (asyh->view.oH < asyh->view.oW) {
+ /* Determine whether the scaling should be on width or on
+ * height. This is done by comparing the aspect ratios of the
+ * sizes. If the output AR is larger than input AR, that means
+ * we want to change the width (letterboxed on the
+ * left/right), otherwise on the height (letterboxed on the
+ * top/bottom).
+ *
+ * E.g. 4:3 (1.333) AR image displayed on a 16:10 (1.6) AR
+ * screen will have letterboxes on the left/right. However a
+ * 16:9 (1.777) AR image on that same screen will have
+ * letterboxes on the top/bottom.
+ *
+ * inputAR = iW / iH; outputAR = oW / oH
+ * outputAR > inputAR is equivalent to oW * iH > iW * oH
+ */
+ if (asyh->view.oW * asyh->view.iH > asyh->view.iW * asyh->view.oH) {
+ /* Recompute output width, i.e. left/right letterbox */
u32 r = (asyh->view.iW << 19) / asyh->view.iH;
asyh->view.oW = ((asyh->view.oH * r) + (r / 2)) >> 19;
} else {
+ /* Recompute output height, i.e. top/bottom letterbox */
u32 r = (asyh->view.iH << 19) / asyh->view.iW;
asyh->view.oH = ((asyh->view.oW * r) + (r / 2)) >> 19;
}
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 4a2fa57ddcb8..0eeb273fb73d 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -559,6 +559,7 @@
#define USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A 0x0b4a
#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE 0x134a
#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_094A 0x094a
+#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_0941 0x0941
#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_0641 0x0641

#define USB_VENDOR_ID_HUION 0x256c
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 596227ddb6e0..17d6123f7930 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -763,7 +763,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)

if (!buf) {
ret = -ENOMEM;
- goto err_free;
+ goto err_stop;
}

ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
@@ -795,9 +795,12 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = lg4ff_init(hdev);

if (ret)
- goto err_free;
+ goto err_stop;

return 0;
+
+err_stop:
+ hid_hw_stop(hdev);
err_free:
kfree(drv_data);
return ret;
@@ -808,8 +811,7 @@ static void lg_remove(struct hid_device *hdev)
struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
if (drv_data->quirks & LG_FF4)
lg4ff_deinit(hdev);
- else
- hid_hw_stop(hdev);
+ hid_hw_stop(hdev);
kfree(drv_data);
}

diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index 512d67e1aae3..4b26928cb2b6 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -1483,7 +1483,6 @@ int lg4ff_deinit(struct hid_device *hid)
}
}
#endif
- hid_hw_stop(hid);
drv_data->device_props = NULL;

kfree(entry);
diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c
index 87eda34ea2f8..d3773251b374 100644
--- a/drivers/hid/hid-prodikeys.c
+++ b/drivers/hid/hid-prodikeys.c
@@ -555,10 +555,14 @@ static void pcmidi_setup_extra_keys(

static int pcmidi_set_operational(struct pcmidi_snd *pm)
{
+ int rc;
+
if (pm->ifnum != 1)
return 0; /* only set up ONCE for interace 1 */

- pcmidi_get_output_report(pm);
+ rc = pcmidi_get_output_report(pm);
+ if (rc < 0)
+ return rc;
pcmidi_submit_output_report(pm, 0xc1);
return 0;
}
@@ -687,7 +691,11 @@ static int pcmidi_snd_initialise(struct pcmidi_snd *pm)
spin_lock_init(&pm->rawmidi_in_lock);

init_sustain_timers(pm);
- pcmidi_set_operational(pm);
+ err = pcmidi_set_operational(pm);
+ if (err < 0) {
+ pk_error("failed to find output report\n");
+ goto fail_register;
+ }

/* register it */
err = snd_card_register(card);
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index e553f6fae7a4..a407fd2399ff 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -94,6 +94,7 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_094A), HID_QUIRK_ALWAYS_POLL },
+ { HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_0941), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_0641), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6680), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_INNOMEDIA, USB_DEVICE_ID_INNEX_GENESIS_ATARI), HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 31f1023214d3..09f2c617b09f 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -2806,7 +2806,6 @@ static int sony_input_configured(struct hid_device *hdev,
sony_cancel_work_sync(sc);
sony_remove_dev_list(sc);
sony_release_device_id(sc);
- hid_hw_stop(hdev);
return ret;
}

@@ -2868,6 +2867,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
*/
if (!(hdev->claimed & HID_CLAIMED_INPUT)) {
hid_err(hdev, "failed to claim input\n");
+ hid_hw_stop(hdev);
return -ENODEV;
}

diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 4a44e48e08b2..c7cff929b419 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -378,7 +378,7 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,

mutex_lock(&minors_lock);
dev = hidraw_table[minor];
- if (!dev) {
+ if (!dev || !dev->exist) {
ret = -ENODEV;
goto out;
}
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c
index af5ad6a56ae4..9271f7290005 100644
--- a/drivers/infiniband/core/cq.c
+++ b/drivers/infiniband/core/cq.c
@@ -112,12 +112,12 @@ static void ib_cq_poll_work(struct work_struct *work)
IB_POLL_BATCH);
if (completed >= IB_POLL_BUDGET_WORKQUEUE ||
ib_req_notify_cq(cq, IB_POLL_FLAGS) > 0)
- queue_work(ib_comp_wq, &cq->work);
+ queue_work(cq->comp_wq, &cq->work);
}

static void ib_cq_completion_workqueue(struct ib_cq *cq, void *private)
{
- queue_work(ib_comp_wq, &cq->work);
+ queue_work(cq->comp_wq, &cq->work);
}

/**
@@ -175,9 +175,12 @@ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
break;
case IB_POLL_WORKQUEUE:
+ case IB_POLL_UNBOUND_WORKQUEUE:
cq->comp_handler = ib_cq_completion_workqueue;
INIT_WORK(&cq->work, ib_cq_poll_work);
ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
+ cq->comp_wq = (cq->poll_ctx == IB_POLL_WORKQUEUE) ?
+ ib_comp_wq : ib_comp_unbound_wq;
break;
default:
ret = -EINVAL;
@@ -213,6 +216,7 @@ void ib_free_cq(struct ib_cq *cq)
irq_poll_disable(&cq->iop);
break;
case IB_POLL_WORKQUEUE:
+ case IB_POLL_UNBOUND_WORKQUEUE:
cancel_work_sync(&cq->work);
break;
default:
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index db3b6271f09d..6d8ac51a39cc 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -61,6 +61,7 @@ struct ib_client_data {
};

struct workqueue_struct *ib_comp_wq;
+struct workqueue_struct *ib_comp_unbound_wq;
struct workqueue_struct *ib_wq;
EXPORT_SYMBOL_GPL(ib_wq);

@@ -1166,10 +1167,19 @@ static int __init ib_core_init(void)
goto err;
}

+ ib_comp_unbound_wq =
+ alloc_workqueue("ib-comp-unb-wq",
+ WQ_UNBOUND | WQ_HIGHPRI | WQ_MEM_RECLAIM |
+ WQ_SYSFS, WQ_UNBOUND_MAX_ACTIVE);
+ if (!ib_comp_unbound_wq) {
+ ret = -ENOMEM;
+ goto err_comp;
+ }
+
ret = class_register(&ib_class);
if (ret) {
pr_warn("Couldn't create InfiniBand device class\n");
- goto err_comp;
+ goto err_comp_unbound;
}

ret = rdma_nl_init();
@@ -1218,6 +1228,8 @@ static int __init ib_core_init(void)
rdma_nl_exit();
err_sysfs:
class_unregister(&ib_class);
+err_comp_unbound:
+ destroy_workqueue(ib_comp_unbound_wq);
err_comp:
destroy_workqueue(ib_comp_wq);
err:
@@ -1236,6 +1248,7 @@ static void __exit ib_core_cleanup(void)
addr_cleanup();
rdma_nl_exit();
class_unregister(&ib_class);
+ destroy_workqueue(ib_comp_unbound_wq);
destroy_workqueue(ib_comp_wq);
/* Make sure that any pending umem accounting work is done. */
destroy_workqueue(ib_wq);
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 7586c1dd73f1..74aa3e651bc3 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -3190,7 +3190,7 @@ static int ib_mad_port_open(struct ib_device *device,
}

port_priv->cq = ib_alloc_cq(port_priv->device, port_priv, cq_size, 0,
- IB_POLL_WORKQUEUE);
+ IB_POLL_UNBOUND_WORKQUEUE);
if (IS_ERR(port_priv->cq)) {
dev_err(&device->dev, "Couldn't create ib_mad CQ\n");
ret = PTR_ERR(port_priv->cq);
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index f67fa24b3aff..279f0ae65912 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -225,7 +225,9 @@ void rdma_restrack_del(struct rdma_restrack_entry *res)
up_write(&dev->res.rwsem);

out:
- if (res->task)
+ if (res->task) {
put_task_struct(res->task);
+ res->task = NULL;
+ }
}
EXPORT_SYMBOL(rdma_restrack_del);
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 9ba73e11757d..e7549a2b1482 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2514,14 +2514,13 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
struct its_node *its = its_dev->its;
int i;

+ bitmap_release_region(its_dev->event_map.lpi_map,
+ its_get_event_id(irq_domain_get_irq_data(domain, virq)),
+ get_count_order(nr_irqs));
+
for (i = 0; i < nr_irqs; i++) {
struct irq_data *data = irq_domain_get_irq_data(domain,
virq + i);
- u32 event = its_get_event_id(data);
-
- /* Mark interrupt index as unused */
- clear_bit(event, its_dev->event_map.lpi_map);
-
/* Nuke the entry in the domain */
irq_domain_reset_irq_data(data);
}
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index e6c7a84bb1df..2321643974da 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1768,7 +1768,6 @@ static int run_cache_set(struct cache_set *c)
set_gc_sectors(c);

if (CACHE_SYNC(&c->sb)) {
- LIST_HEAD(journal);
struct bkey *k;
struct jset *j;

diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 1030c42add05..3dd668f69405 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -133,8 +133,6 @@ static int dmz_submit_bio(struct dmz_target *dmz, struct dm_zone *zone,

atomic_inc(&bioctx->ref);
generic_make_request(clone);
- if (clone->bi_status == BLK_STS_IOERR)
- return -EIO;

if (bio_op(bio) == REQ_OP_WRITE && dmz_is_seq(zone))
zone->wp_block += nr_blocks;
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 8b450fc53202..15a5e98b3d45 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -828,7 +828,7 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
return 0;
case V4L2_CID_HUE:
tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
- break;
+ return 0;
case V4L2_CID_TEST_PATTERN:
decoder->enable = ctrl->val ? false : true;
tvp5150_selmux(sd);
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 72428b6bfc47..ba44ea6d497e 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -1627,29 +1627,35 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
continue;
}

- if (time_after(jiffies, timeo) && !chip_ready(map, adr)){
+ /*
+ * We check "time_after" and "!chip_good" before checking
+ * "chip_good" to avoid the failure due to scheduling.
+ */
+ if (time_after(jiffies, timeo) && !chip_good(map, adr, datum)) {
xip_enable(map, chip, adr);
printk(KERN_WARNING "MTD %s(): software timeout\n", __func__);
xip_disable(map, chip, adr);
+ ret = -EIO;
break;
}

- if (chip_ready(map, adr))
+ if (chip_good(map, adr, datum))
break;

/* Latency issues. Drop the lock, wait a while and retry */
UDELAY(map, chip, adr, 1);
}
+
/* Did we succeed? */
- if (!chip_good(map, adr, datum)) {
+ if (ret) {
/* reset on all failures. */
map_write(map, CMD(0xF0), chip->start);
/* FIXME - should have reset delay before continuing */

- if (++retry_cnt <= MAX_RETRIES)
+ if (++retry_cnt <= MAX_RETRIES) {
+ ret = 0;
goto retry;
-
- ret = -EIO;
+ }
}
xip_enable(map, chip, adr);
op_done:
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 5a57be66a487..aa067a7a72d4 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1999,8 +1999,11 @@ static void __ibmvnic_reset(struct work_struct *work)
rwi = get_next_rwi(adapter);
while (rwi) {
if (adapter->state == VNIC_REMOVING ||
- adapter->state == VNIC_REMOVED)
- goto out;
+ adapter->state == VNIC_REMOVED) {
+ kfree(rwi);
+ rc = EBUSY;
+ break;
+ }

if (adapter->force_reset_recovery) {
adapter->force_reset_recovery = false;
@@ -2026,7 +2029,7 @@ static void __ibmvnic_reset(struct work_struct *work)
netdev_dbg(adapter->netdev, "Reset failed\n");
free_all_rwi(adapter);
}
-out:
+
adapter->resetting = false;
if (we_lock_rtnl)
rtnl_unlock();
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index da52e60d4437..d79e177f8990 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -210,6 +210,7 @@ static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
"tx_cqe_moder",
"rx_cqe_compress",
"rx_striding_rq",
+ "rx_no_csum_complete",
};

enum mlx5e_priv_flag {
@@ -217,6 +218,7 @@ enum mlx5e_priv_flag {
MLX5E_PFLAG_TX_CQE_BASED_MODER = (1 << 1),
MLX5E_PFLAG_RX_CQE_COMPRESS = (1 << 2),
MLX5E_PFLAG_RX_STRIDING_RQ = (1 << 3),
+ MLX5E_PFLAG_RX_NO_CSUM_COMPLETE = (1 << 4),
};

#define MLX5E_SET_PFLAG(params, pflag, enable) \
@@ -298,6 +300,7 @@ struct mlx5e_dcbx_dp {
enum {
MLX5E_RQ_STATE_ENABLED,
MLX5E_RQ_STATE_AM,
+ MLX5E_RQ_STATE_NO_CSUM_COMPLETE,
};

struct mlx5e_cq {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 2b9350f4c752..10d72c83714d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1510,6 +1510,28 @@ static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
return 0;
}

+static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ struct mlx5e_channels *channels = &priv->channels;
+ struct mlx5e_channel *c;
+ int i;
+
+ if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
+ priv->channels.params.xdp_prog)
+ return 0;
+
+ for (i = 0; i < channels->num; i++) {
+ c = channels->c[i];
+ if (enable)
+ __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
+ else
+ __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
+ }
+
+ return 0;
+}
+
static int mlx5e_handle_pflag(struct net_device *netdev,
u32 wanted_flags,
enum mlx5e_priv_flag flag,
@@ -1561,6 +1583,12 @@ static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
err = mlx5e_handle_pflag(netdev, pflags,
MLX5E_PFLAG_RX_STRIDING_RQ,
set_pflag_rx_striding_rq);
+ if (err)
+ goto out;
+
+ err = mlx5e_handle_pflag(netdev, pflags,
+ MLX5E_PFLAG_RX_NO_CSUM_COMPLETE,
+ set_pflag_rx_no_csum_complete);

out:
mutex_unlock(&priv->state_lock);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 83ab2c0e6b61..7e6706333fa8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -934,6 +934,13 @@ static int mlx5e_open_rq(struct mlx5e_channel *c,
if (params->rx_dim_enabled)
__set_bit(MLX5E_RQ_STATE_AM, &c->rq.state);

+ /* We disable csum_complete when XDP is enabled since
+ * XDP programs might manipulate packets which will render
+ * skb->checksum incorrect.
+ */
+ if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) || c->xdp)
+ __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
+
return 0;

err_destroy_rq:
@@ -4533,6 +4540,7 @@ void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
params->rx_cqe_compress_def = slow_pci_heuristic(mdev);

MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS, params->rx_cqe_compress_def);
+ MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE, false);

/* RQ */
/* Prefer Striding RQ, unless any of the following holds:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index d3f794d4fb96..df49dc143c47 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -37,6 +37,7 @@
#include <net/busy_poll.h>
#include <net/ip6_checksum.h>
#include <net/page_pool.h>
+#include <net/inet_ecn.h>
#include "en.h"
#include "en_tc.h"
#include "eswitch.h"
@@ -688,27 +689,110 @@ static inline void mlx5e_skb_set_hash(struct mlx5_cqe64 *cqe,
skb_set_hash(skb, be32_to_cpu(cqe->rss_hash_result), ht);
}

-static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth)
+static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth,
+ __be16 *proto)
{
- __be16 ethertype = ((struct ethhdr *)skb->data)->h_proto;
+ *proto = ((struct ethhdr *)skb->data)->h_proto;
+ *proto = __vlan_get_protocol(skb, *proto, network_depth);

- ethertype = __vlan_get_protocol(skb, ethertype, network_depth);
- return (ethertype == htons(ETH_P_IP) || ethertype == htons(ETH_P_IPV6));
+ if (*proto == htons(ETH_P_IP))
+ return pskb_may_pull(skb, *network_depth + sizeof(struct iphdr));
+
+ if (*proto == htons(ETH_P_IPV6))
+ return pskb_may_pull(skb, *network_depth + sizeof(struct ipv6hdr));
+
+ return false;
}

-static u32 mlx5e_get_fcs(const struct sk_buff *skb)
+static inline void mlx5e_enable_ecn(struct mlx5e_rq *rq, struct sk_buff *skb)
{
- const void *fcs_bytes;
- u32 _fcs_bytes;
+ int network_depth = 0;
+ __be16 proto;
+ void *ip;
+ int rc;

- fcs_bytes = skb_header_pointer(skb, skb->len - ETH_FCS_LEN,
- ETH_FCS_LEN, &_fcs_bytes);
+ if (unlikely(!is_last_ethertype_ip(skb, &network_depth, &proto)))
+ return;
+
+ ip = skb->data + network_depth;
+ rc = ((proto == htons(ETH_P_IP)) ? IP_ECN_set_ce((struct iphdr *)ip) :
+ IP6_ECN_set_ce(skb, (struct ipv6hdr *)ip));
+
+ rq->stats->ecn_mark += !!rc;
+}
+
+static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto)
+{
+ void *ip_p = skb->data + network_depth;

- return __get_unaligned_cpu32(fcs_bytes);
+ return (proto == htons(ETH_P_IP)) ? ((struct iphdr *)ip_p)->protocol :
+ ((struct ipv6hdr *)ip_p)->nexthdr;
}

#define short_frame(size) ((size) <= ETH_ZLEN + ETH_FCS_LEN)

+#define MAX_PADDING 8
+
+static void
+tail_padding_csum_slow(struct sk_buff *skb, int offset, int len,
+ struct mlx5e_rq_stats *stats)
+{
+ stats->csum_complete_tail_slow++;
+ skb->csum = csum_block_add(skb->csum,
+ skb_checksum(skb, offset, len, 0),
+ offset);
+}
+
+static void
+tail_padding_csum(struct sk_buff *skb, int offset,
+ struct mlx5e_rq_stats *stats)
+{
+ u8 tail_padding[MAX_PADDING];
+ int len = skb->len - offset;
+ void *tail;
+
+ if (unlikely(len > MAX_PADDING)) {
+ tail_padding_csum_slow(skb, offset, len, stats);
+ return;
+ }
+
+ tail = skb_header_pointer(skb, offset, len, tail_padding);
+ if (unlikely(!tail)) {
+ tail_padding_csum_slow(skb, offset, len, stats);
+ return;
+ }
+
+ stats->csum_complete_tail++;
+ skb->csum = csum_block_add(skb->csum, csum_partial(tail, len, 0), offset);
+}
+
+static void
+mlx5e_skb_padding_csum(struct sk_buff *skb, int network_depth, __be16 proto,
+ struct mlx5e_rq_stats *stats)
+{
+ struct ipv6hdr *ip6;
+ struct iphdr *ip4;
+ int pkt_len;
+
+ switch (proto) {
+ case htons(ETH_P_IP):
+ ip4 = (struct iphdr *)(skb->data + network_depth);
+ pkt_len = network_depth + ntohs(ip4->tot_len);
+ break;
+ case htons(ETH_P_IPV6):
+ ip6 = (struct ipv6hdr *)(skb->data + network_depth);
+ pkt_len = network_depth + sizeof(*ip6) + ntohs(ip6->payload_len);
+ break;
+ default:
+ return;
+ }
+
+ if (likely(pkt_len >= skb->len))
+ return;
+
+ tail_padding_csum(skb, pkt_len, stats);
+}
+
static inline void mlx5e_handle_csum(struct net_device *netdev,
struct mlx5_cqe64 *cqe,
struct mlx5e_rq *rq,
@@ -717,6 +801,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
{
struct mlx5e_rq_stats *stats = rq->stats;
int network_depth = 0;
+ __be16 proto;

if (unlikely(!(netdev->features & NETIF_F_RXCSUM)))
goto csum_none;
@@ -727,6 +812,10 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
return;
}

+ /* True when explicitly set via priv flag, or XDP prog is loaded */
+ if (test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state))
+ goto csum_unnecessary;
+
/* CQE csum doesn't cover padding octets in short ethernet
* frames. And the pad field is appended prior to calculating
* and appending the FCS field.
@@ -738,7 +827,10 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
if (short_frame(skb->len))
goto csum_unnecessary;

- if (likely(is_last_ethertype_ip(skb, &network_depth))) {
+ if (likely(is_last_ethertype_ip(skb, &network_depth, &proto))) {
+ if (unlikely(get_ip_proto(skb, network_depth, proto) == IPPROTO_SCTP))
+ goto csum_unnecessary;
+
skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
if (network_depth > ETH_HLEN)
@@ -749,10 +841,8 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
skb->csum = csum_partial(skb->data + ETH_HLEN,
network_depth - ETH_HLEN,
skb->csum);
- if (unlikely(netdev->features & NETIF_F_RXFCS))
- skb->csum = csum_block_add(skb->csum,
- (__force __wsum)mlx5e_get_fcs(skb),
- skb->len - ETH_FCS_LEN);
+
+ mlx5e_skb_padding_csum(skb, network_depth, proto, stats);
stats->csum_complete++;
return;
}
@@ -775,6 +865,8 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
stats->csum_none++;
}

+#define MLX5E_CE_BIT_MASK 0x80
+
static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe,
u32 cqe_bcnt,
struct mlx5e_rq *rq,
@@ -819,6 +911,10 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe,
skb->mark = be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK;

mlx5e_handle_csum(netdev, cqe, rq, skb, !!lro_num_seg);
+ /* checking CE bit in cqe - MSB in ml_path field */
+ if (unlikely(cqe->ml_path & MLX5E_CE_BIT_MASK))
+ mlx5e_enable_ecn(rq, skb);
+
skb->protocol = eth_type_trans(skb, netdev);
}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index 7047cc293545..8255d797ea94 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -53,10 +53,13 @@ static const struct counter_desc sw_stats_desc[] = {

{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_bytes) },
+ { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_ecn_mark) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_removed_vlan_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_none) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete) },
+ { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete_tail) },
+ { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete_tail_slow) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary_inner) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_drop) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_redirect) },
@@ -144,9 +147,12 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv)
s->rx_bytes += rq_stats->bytes;
s->rx_lro_packets += rq_stats->lro_packets;
s->rx_lro_bytes += rq_stats->lro_bytes;
+ s->rx_ecn_mark += rq_stats->ecn_mark;
s->rx_removed_vlan_packets += rq_stats->removed_vlan_packets;
s->rx_csum_none += rq_stats->csum_none;
s->rx_csum_complete += rq_stats->csum_complete;
+ s->rx_csum_complete_tail += rq_stats->csum_complete_tail;
+ s->rx_csum_complete_tail_slow += rq_stats->csum_complete_tail_slow;
s->rx_csum_unnecessary += rq_stats->csum_unnecessary;
s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner;
s->rx_xdp_drop += rq_stats->xdp_drop;
@@ -1137,6 +1143,8 @@ static const struct counter_desc rq_stats_desc[] = {
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, packets) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, bytes) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete) },
+ { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete_tail) },
+ { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete_tail_slow) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary_inner) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_none) },
@@ -1144,6 +1152,7 @@ static const struct counter_desc rq_stats_desc[] = {
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_redirect) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, lro_packets) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, lro_bytes) },
+ { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, ecn_mark) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, removed_vlan_packets) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, wqe_err) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, mpwqe_filler_cqes) },
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
index 0ad7a165443a..3ea8033ed6bd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -66,10 +66,13 @@ struct mlx5e_sw_stats {
u64 tx_nop;
u64 rx_lro_packets;
u64 rx_lro_bytes;
+ u64 rx_ecn_mark;
u64 rx_removed_vlan_packets;
u64 rx_csum_unnecessary;
u64 rx_csum_none;
u64 rx_csum_complete;
+ u64 rx_csum_complete_tail;
+ u64 rx_csum_complete_tail_slow;
u64 rx_csum_unnecessary_inner;
u64 rx_xdp_drop;
u64 rx_xdp_redirect;
@@ -179,11 +182,14 @@ struct mlx5e_rq_stats {
u64 packets;
u64 bytes;
u64 csum_complete;
+ u64 csum_complete_tail;
+ u64 csum_complete_tail_slow;
u64 csum_unnecessary;
u64 csum_unnecessary_inner;
u64 csum_none;
u64 lro_packets;
u64 lro_bytes;
+ u64 ecn_mark;
u64 removed_vlan_packets;
u64 xdp_drop;
u64 xdp_redirect;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
index d1c1a8069c7e..5e1e671d2002 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -315,7 +315,7 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
}

void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band)
+ enum nl80211_band band, bool update)
{
struct ieee80211_hw *hw = mvm->hw;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
@@ -324,7 +324,8 @@ void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct ieee80211_supported_band *sband;
struct iwl_tlc_config_cmd cfg_cmd = {
.sta_id = mvmsta->sta_id,
- .max_ch_width = rs_fw_bw_from_sta_bw(sta),
+ .max_ch_width = update ?
+ rs_fw_bw_from_sta_bw(sta) : RATE_MCS_CHAN_WIDTH_20,
.flags = cpu_to_le16(rs_fw_set_config_flags(mvm, sta)),
.chains = rs_fw_set_active_chains(iwl_mvm_get_valid_tx_ant(mvm)),
.max_mpdu_len = cpu_to_le16(sta->max_amsdu_len),
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 6b9c670fcef8..6f4508d62a97 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -4113,7 +4113,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
enum nl80211_band band, bool update)
{
if (iwl_mvm_has_tlc_offload(mvm))
- rs_fw_rate_init(mvm, sta, band);
+ rs_fw_rate_init(mvm, sta, band, update);
else
rs_drv_rate_init(mvm, sta, band, update);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
index 8e7f993e2911..d0f47899f284 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
@@ -461,7 +461,7 @@ void rs_remove_sta_debugfs(void *mvm, void *mvm_sta);

void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta);
void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band);
+ enum nl80211_band band, bool update);
int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
bool enable);
void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index ffae299c3492..5615ce55cef5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -671,7 +671,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
info.control.vif->type == NL80211_IFTYPE_AP ||
info.control.vif->type == NL80211_IFTYPE_ADHOC) {
- if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE)
+ if (!ieee80211_is_data(hdr->frame_control))
sta_id = mvmvif->bcast_sta.sta_id;
else
sta_id = mvmvif->mcast_sta.sta_id;
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 5dadc964ad3b..5c2849846641 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -2706,8 +2706,8 @@ static int hv_pci_remove(struct hv_device *hdev)
/* Remove the bus from PCI's point of view. */
pci_lock_rescan_remove();
pci_stop_root_bus(hbus->pci_bus);
- pci_remove_root_bus(hbus->pci_bus);
hv_pci_remove_slots(hbus);
+ pci_remove_root_bus(hbus->pci_bus);
pci_unlock_rescan_remove();
hbus->state = hv_pcibus_removed;
}
diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c
index 78c2f548b25f..8f3468d9f848 100644
--- a/drivers/pinctrl/sprd/pinctrl-sprd.c
+++ b/drivers/pinctrl/sprd/pinctrl-sprd.c
@@ -159,10 +159,8 @@ struct sprd_pinctrl {
struct sprd_pinctrl_soc_info *info;
};

-enum sprd_pinconf_params {
- SPRD_PIN_CONFIG_CONTROL = PIN_CONFIG_END + 1,
- SPRD_PIN_CONFIG_SLEEP_MODE = PIN_CONFIG_END + 2,
-};
+#define SPRD_PIN_CONFIG_CONTROL (PIN_CONFIG_END + 1)
+#define SPRD_PIN_CONFIG_SLEEP_MODE (PIN_CONFIG_END + 2)

static int sprd_pinctrl_get_id_by_name(struct sprd_pinctrl *sprd_pctl,
const char *name)
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 5a2757a7f408..5358a80d854f 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -131,7 +131,8 @@ static ssize_t power_supply_show_property(struct device *dev,
dev_dbg(dev, "driver has no data for `%s' property\n",
attr->attr.name);
else if (ret != -ENODEV && ret != -EAGAIN)
- dev_err(dev, "driver failed to report `%s' property: %zd\n",
+ dev_err_ratelimited(dev,
+ "driver failed to report `%s' property: %zd\n",
attr->attr.name, ret);
return ret;
}
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index fc08e46a93ca..34ff4bbc8de1 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -4045,6 +4045,41 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
}
}

+static int qla2x00_post_gnnft_gpnft_done_work(struct scsi_qla_host *vha,
+ srb_t *sp, int cmd)
+{
+ struct qla_work_evt *e;
+
+ if (cmd != QLA_EVT_GPNFT_DONE && cmd != QLA_EVT_GNNFT_DONE)
+ return QLA_PARAMETER_ERROR;
+
+ e = qla2x00_alloc_work(vha, cmd);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.iosb.sp = sp;
+
+ return qla2x00_post_work(vha, e);
+}
+
+static int qla2x00_post_nvme_gpnft_done_work(struct scsi_qla_host *vha,
+ srb_t *sp, int cmd)
+{
+ struct qla_work_evt *e;
+
+ if (cmd != QLA_EVT_GPNFT)
+ return QLA_PARAMETER_ERROR;
+
+ e = qla2x00_alloc_work(vha, cmd);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.gpnft.fc4_type = FC4_TYPE_NVME;
+ e->u.gpnft.sp = sp;
+
+ return qla2x00_post_work(vha, e);
+}
+
static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
struct srb *sp)
{
@@ -4145,22 +4180,36 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
{
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
- struct qla_work_evt *e;
struct ct_sns_req *ct_req =
(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
u16 cmd = be16_to_cpu(ct_req->command);
u8 fc4_type = sp->gen2;
unsigned long flags;
+ int rc;

/* gen2 field is holding the fc4type */
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s res %x FC4Type %x\n",
sp->name, res, sp->gen2);

+ sp->rc = res;
if (res) {
unsigned long flags;
+ const char *name = sp->name;
+
+ /*
+ * We are in an Interrupt context, queue up this
+ * sp for GNNFT_DONE work. This will allow all
+ * the resource to get freed up.
+ */
+ rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
+ QLA_EVT_GNNFT_DONE);
+ if (rc) {
+ /* Cleanup here to prevent memory leak */
+ qla24xx_sp_unmap(vha, sp);
+ sp->free(sp);
+ }

- sp->free(sp);
spin_lock_irqsave(&vha->work_lock, flags);
vha->scan.scan_flags &= ~SF_SCANNING;
vha->scan.scan_retry++;
@@ -4171,9 +4220,9 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
} else {
- ql_dbg(ql_dbg_disc, sp->vha, 0xffff,
- "Async done-%s rescan failed on all retries\n",
- sp->name);
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "Async done-%s rescan failed on all retries.\n",
+ name);
}
return;
}
@@ -4188,77 +4237,31 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
vha->scan.scan_flags &= ~SF_SCANNING;
spin_unlock_irqrestore(&vha->work_lock, flags);

- e = qla2x00_alloc_work(vha, QLA_EVT_GPNFT);
- if (!e) {
- /*
- * please ignore kernel warning. Otherwise,
- * we have mem leak.
- */
- if (sp->u.iocb_cmd.u.ctarg.req) {
- dma_free_coherent(&vha->hw->pdev->dev,
- sp->u.iocb_cmd.u.ctarg.req_allocated_size,
- sp->u.iocb_cmd.u.ctarg.req,
- sp->u.iocb_cmd.u.ctarg.req_dma);
- sp->u.iocb_cmd.u.ctarg.req = NULL;
- }
- if (sp->u.iocb_cmd.u.ctarg.rsp) {
- dma_free_coherent(&vha->hw->pdev->dev,
- sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
- sp->u.iocb_cmd.u.ctarg.rsp,
- sp->u.iocb_cmd.u.ctarg.rsp_dma);
- sp->u.iocb_cmd.u.ctarg.rsp = NULL;
- }
-
- ql_dbg(ql_dbg_disc, vha, 0xffff,
- "Async done-%s unable to alloc work element\n",
- sp->name);
- sp->free(sp);
+ sp->rc = res;
+ rc = qla2x00_post_nvme_gpnft_done_work(vha, sp, QLA_EVT_GPNFT);
+ if (!rc) {
+ qla24xx_sp_unmap(vha, sp);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
return;
}
- e->u.gpnft.fc4_type = FC4_TYPE_NVME;
- sp->rc = res;
- e->u.gpnft.sp = sp;
-
- qla2x00_post_work(vha, e);
- return;
}

- if (cmd == GPN_FT_CMD)
- e = qla2x00_alloc_work(vha, QLA_EVT_GPNFT_DONE);
- else
- e = qla2x00_alloc_work(vha, QLA_EVT_GNNFT_DONE);
- if (!e) {
- /* please ignore kernel warning. Otherwise, we have mem leak. */
- if (sp->u.iocb_cmd.u.ctarg.req) {
- dma_free_coherent(&vha->hw->pdev->dev,
- sp->u.iocb_cmd.u.ctarg.req_allocated_size,
- sp->u.iocb_cmd.u.ctarg.req,
- sp->u.iocb_cmd.u.ctarg.req_dma);
- sp->u.iocb_cmd.u.ctarg.req = NULL;
- }
- if (sp->u.iocb_cmd.u.ctarg.rsp) {
- dma_free_coherent(&vha->hw->pdev->dev,
- sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
- sp->u.iocb_cmd.u.ctarg.rsp,
- sp->u.iocb_cmd.u.ctarg.rsp_dma);
- sp->u.iocb_cmd.u.ctarg.rsp = NULL;
- }
+ if (cmd == GPN_FT_CMD) {
+ del_timer(&sp->u.iocb_cmd.timer);
+ rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
+ QLA_EVT_GPNFT_DONE);
+ } else {
+ rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
+ QLA_EVT_GNNFT_DONE);
+ }

- ql_dbg(ql_dbg_disc, vha, 0xffff,
- "Async done-%s unable to alloc work element\n",
- sp->name);
- sp->free(sp);
+ if (rc) {
+ qla24xx_sp_unmap(vha, sp);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
return;
}
-
- sp->rc = res;
- e->u.iosb.sp = sp;
-
- qla2x00_post_work(vha, e);
}

/*
@@ -4357,7 +4360,6 @@ void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
{
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s enter\n", __func__);
- del_timer(&sp->u.iocb_cmd.timer);
qla24xx_async_gnnft(vha, sp, sp->gen2);
}

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 39a8f4a671aa..7c1f36b69bdc 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -54,7 +54,7 @@ qla2x00_sp_timeout(struct timer_list *t)
unsigned long flags;
struct qla_hw_data *ha = sp->vha->hw;

- WARN_ON(irqs_disabled());
+ WARN_ON_ONCE(irqs_disabled());
spin_lock_irqsave(&ha->hardware_lock, flags);
req = sp->qpair->req;
req->outstanding_cmds[sp->handle] = NULL;
@@ -796,6 +796,9 @@ qla24xx_async_gnl_sp_done(void *s, int res)
sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
sp->u.iocb_cmd.u.mbx.in_mb[2]);

+ if (res == QLA_FUNCTION_TIMEOUT)
+ return;
+
memset(&ea, 0, sizeof(ea));
ea.sp = sp;
ea.rc = res;
@@ -979,17 +982,13 @@ void qla24xx_async_gpdb_sp_done(void *s, int res)
"Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
sp->name, res, fcport->port_name, mb[1], mb[2]);

- fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
-
- if (res == QLA_FUNCTION_TIMEOUT)
- return;
-
if (res == QLA_FUNCTION_TIMEOUT) {
dma_pool_free(sp->vha->hw->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
sp->u.iocb_cmd.u.mbx.in_dma);
return;
}

+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
memset(&ea, 0, sizeof(ea));
ea.event = FCME_GPDB_DONE;
ea.fcport = fcport;
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index cc9e846a3865..094be406cde4 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -553,7 +553,50 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon, struct cifs_fid *pfid)
oparams.fid = pfid;
oparams.reconnect = false;

+ /*
+ * We do not hold the lock for the open because in case
+ * SMB2_open needs to reconnect, it will end up calling
+ * cifs_mark_open_files_invalid() which takes the lock again
+ * thus causing a deadlock
+ */
+ mutex_unlock(&tcon->crfid.fid_mutex);
rc = SMB2_open(xid, &oparams, &srch_path, &oplock, NULL, NULL, NULL);
+ mutex_lock(&tcon->crfid.fid_mutex);
+
+ /*
+ * Now we need to check again as the cached root might have
+ * been successfully re-opened from a concurrent process
+ */
+
+ if (tcon->crfid.is_valid) {
+ /* work was already done */
+
+ /* stash fids for close() later */
+ struct cifs_fid fid = {
+ .persistent_fid = pfid->persistent_fid,
+ .volatile_fid = pfid->volatile_fid,
+ };
+
+ /*
+ * Caller expects this func to set pfid to a valid
+ * cached root, so we copy the existing one and get a
+ * reference
+ */
+ memcpy(pfid, tcon->crfid.fid, sizeof(*pfid));
+ kref_get(&tcon->crfid.refcount);
+
+ mutex_unlock(&tcon->crfid.fid_mutex);
+
+ if (rc == 0) {
+ /* close extra handle outside of critical section */
+ SMB2_close(xid, tcon, fid.persistent_fid,
+ fid.volatile_fid);
+ }
+ return 0;
+ }
+
+ /* Cached root is still invalid, continue normaly */
+
if (rc == 0) {
memcpy(tcon->crfid.fid, pfid, sizeof(struct cifs_fid));
tcon->crfid.tcon = tcon;
@@ -561,6 +604,7 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon, struct cifs_fid *pfid)
kref_init(&tcon->crfid.refcount);
kref_get(&tcon->crfid.refcount);
}
+
mutex_unlock(&tcon->crfid.fid_mutex);
return rc;
}
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 59d0472013f4..388500eec729 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -849,6 +849,7 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
unsigned int cp_blks = 1 + __cp_payload(sbi);
block_t cp_blk_no;
int i;
+ int err;

sbi->ckpt = f2fs_kzalloc(sbi, array_size(blk_size, cp_blks),
GFP_KERNEL);
@@ -876,6 +877,7 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
} else if (cp2) {
cur_page = cp2;
} else {
+ err = -EFSCORRUPTED;
goto fail_no_cp;
}

@@ -888,8 +890,10 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
sbi->cur_cp_pack = 2;

/* Sanity checking of checkpoint */
- if (f2fs_sanity_check_ckpt(sbi))
+ if (f2fs_sanity_check_ckpt(sbi)) {
+ err = -EFSCORRUPTED;
goto free_fail_no_cp;
+ }

if (cp_blks <= 1)
goto done;
@@ -903,8 +907,10 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
unsigned char *ckpt = (unsigned char *)sbi->ckpt;

cur_page = f2fs_get_meta_page(sbi, cp_blk_no + i);
- if (IS_ERR(cur_page))
+ if (IS_ERR(cur_page)) {
+ err = PTR_ERR(cur_page);
goto free_fail_no_cp;
+ }
sit_bitmap_ptr = page_address(cur_page);
memcpy(ckpt + i * blk_size, sit_bitmap_ptr, blk_size);
f2fs_put_page(cur_page, 1);
@@ -919,7 +925,7 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
f2fs_put_page(cp2, 1);
fail_no_cp:
kfree(sbi->ckpt);
- return -EINVAL;
+ return err;
}

static void __add_dirty_inode(struct inode *inode, enum inode_type type)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 4d02e76b648a..9511466bc785 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -449,7 +449,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)

if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr,
__is_meta_io(fio) ? META_GENERIC : DATA_GENERIC))
- return -EFAULT;
+ return -EFSCORRUPTED;

trace_f2fs_submit_page_bio(page, fio);
f2fs_trace_ios(fio, 0);
@@ -1071,7 +1071,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,

if (__is_valid_data_blkaddr(blkaddr) &&
!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC)) {
- err = -EFAULT;
+ err = -EFSCORRUPTED;
goto sync_out;
}

@@ -1755,7 +1755,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)

if (!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
DATA_GENERIC))
- return -EFAULT;
+ return -EFSCORRUPTED;

ipu_force = true;
fio->need_lock = LOCK_DONE;
@@ -1781,7 +1781,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
if (__is_valid_data_blkaddr(fio->old_blkaddr) &&
!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
DATA_GENERIC)) {
- err = -EFAULT;
+ err = -EFSCORRUPTED;
goto out_writepage;
}
/*
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 44ea7ac69ef4..fb216488d67a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3487,3 +3487,7 @@ extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
#endif

#endif
+
+#define EFSBADCRC EBADMSG /* Bad CRC detected */
+#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
+
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index d44b57a363ff..dd29a49143f5 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -636,7 +636,7 @@ static int ra_data_block(struct inode *inode, pgoff_t index)

if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr,
DATA_GENERIC))) {
- err = -EFAULT;
+ err = -EFSCORRUPTED;
goto put_page;
}
got_it:
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 92703efde36e..6bbb5f6801e2 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -146,7 +146,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
"%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, "
"run fsck to fix.",
__func__, dn->inode->i_ino, dn->data_blkaddr);
- return -EINVAL;
+ return -EFSCORRUPTED;
}

f2fs_bug_on(F2FS_P_SB(page), PageWriteback(page));
@@ -389,7 +389,7 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
"%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, "
"run fsck to fix.",
__func__, dir->i_ino, dn.data_blkaddr);
- err = -EINVAL;
+ err = -EFSCORRUPTED;
goto out;
}

diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 0f31df01e36c..540d45759621 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -76,7 +76,7 @@ static int __written_first_block(struct f2fs_sb_info *sbi,
if (!__is_valid_data_blkaddr(addr))
return 1;
if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC))
- return -EFAULT;
+ return -EFSCORRUPTED;
return 0;
}

@@ -361,7 +361,7 @@ static int do_read_inode(struct inode *inode)

if (!sanity_check_inode(inode, node_page)) {
f2fs_put_page(node_page, 1);
- return -EINVAL;
+ return -EFSCORRUPTED;
}

/* check data exist */
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index e2d9edad758c..aa8f19e1bdb3 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -40,7 +40,7 @@ int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
f2fs_msg(sbi->sb, KERN_WARNING,
"%s: out-of-range nid=%x, run fsck to fix.",
__func__, nid);
- return -EINVAL;
+ return -EFSCORRUPTED;
}
return 0;
}
@@ -1284,7 +1284,7 @@ static int read_node_page(struct page *page, int op_flags)
if (PageUptodate(page)) {
if (!f2fs_inode_chksum_verify(sbi, page)) {
ClearPageUptodate(page);
- return -EBADMSG;
+ return -EFSBADCRC;
}
return LOCKED_PAGE;
}
@@ -1370,7 +1370,7 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
}

if (!f2fs_inode_chksum_verify(sbi, page)) {
- err = -EBADMSG;
+ err = -EFSBADCRC;
goto out_err;
}
page_hit:
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index bf5c5f4fa77e..0b224f4a4a65 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -491,7 +491,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
"Inconsistent ofs_of_node, ino:%lu, ofs:%u, %u",
inode->i_ino, ofs_of_node(dn.node_page),
ofs_of_node(page));
- err = -EFAULT;
+ err = -EFSCORRUPTED;
goto err;
}

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 92f72bb5aff4..10d5dcdb34be 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2657,7 +2657,7 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) {
f2fs_msg(sbi->sb, KERN_WARNING,
"Found FS corruption, run fsck to fix.");
- return -EIO;
+ return -EFSCORRUPTED;
}

/* start/end segment number in main_area */
@@ -3079,7 +3079,7 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)

if (!IS_DATASEG(get_seg_entry(sbi, segno)->type)) {
set_sbi_flag(sbi, SBI_NEED_FSCK);
- return -EFAULT;
+ return -EFSCORRUPTED;
}

stat_inc_inplace_blocks(fio->sbi);
@@ -3261,11 +3261,6 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
seg_i = CURSEG_I(sbi, i);
segno = le32_to_cpu(ckpt->cur_data_segno[i]);
blk_off = le16_to_cpu(ckpt->cur_data_blkoff[i]);
- if (blk_off > ENTRIES_IN_SUM) {
- f2fs_bug_on(sbi, 1);
- f2fs_put_page(page, 1);
- return -EFAULT;
- }
seg_i->next_segno = segno;
reset_curseg(sbi, i, 0);
seg_i->alloc_type = ckpt->alloc_type[i];
@@ -3971,7 +3966,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
"Wrong journal entry on segno %u",
start);
set_sbi_flag(sbi, SBI_NEED_FSCK);
- err = -EINVAL;
+ err = -EFSCORRUPTED;
break;
}

@@ -4012,7 +4007,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
"SIT is corrupted node# %u vs %u",
total_node_blocks, valid_node_count(sbi));
set_sbi_flag(sbi, SBI_NEED_FSCK);
- err = -EINVAL;
+ err = -EFSCORRUPTED;
}

return err;
@@ -4103,6 +4098,41 @@ static int build_dirty_segmap(struct f2fs_sb_info *sbi)
return init_victim_secmap(sbi);
}

+static int sanity_check_curseg(struct f2fs_sb_info *sbi)
+{
+ int i;
+
+ /*
+ * In LFS/SSR curseg, .next_blkoff should point to an unused blkaddr;
+ * In LFS curseg, all blkaddr after .next_blkoff should be unused.
+ */
+ for (i = 0; i < NO_CHECK_TYPE; i++) {
+ struct curseg_info *curseg = CURSEG_I(sbi, i);
+ struct seg_entry *se = get_seg_entry(sbi, curseg->segno);
+ unsigned int blkofs = curseg->next_blkoff;
+
+ if (f2fs_test_bit(blkofs, se->cur_valid_map))
+ goto out;
+
+ if (curseg->alloc_type == SSR)
+ continue;
+
+ for (blkofs += 1; blkofs < sbi->blocks_per_seg; blkofs++) {
+ if (!f2fs_test_bit(blkofs, se->cur_valid_map))
+ continue;
+out:
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "Current segment's next free block offset is "
+ "inconsistent with bitmap, logtype:%u, "
+ "segno:%u, type:%u, next_blkoff:%u, blkofs:%u",
+ i, curseg->segno, curseg->alloc_type,
+ curseg->next_blkoff, blkofs);
+ return -EFSCORRUPTED;
+ }
+ }
+ return 0;
+}
+
/*
* Update min, max modified time for cost-benefit GC algorithm
*/
@@ -4198,6 +4228,10 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
if (err)
return err;

+ err = sanity_check_curseg(sbi);
+ if (err)
+ return err;
+
init_min_max_mtime(sbi);
return 0;
}
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 5079532cb176..9c2a55ad61bc 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -684,7 +684,7 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
"Mismatch valid blocks %d vs. %d",
GET_SIT_VBLOCKS(raw_sit), valid_blocks);
set_sbi_flag(sbi, SBI_NEED_FSCK);
- return -EINVAL;
+ return -EFSCORRUPTED;
}

/* check segment usage, and check boundary of a given segment number */
@@ -694,7 +694,7 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
"Wrong valid blocks %d or segno %u",
GET_SIT_VBLOCKS(raw_sit), segno);
set_sbi_flag(sbi, SBI_NEED_FSCK);
- return -EINVAL;
+ return -EFSCORRUPTED;
}
return 0;
}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 1871031e2d5e..fdafcfd8b20e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2413,11 +2413,11 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
}
}
for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
- for (j = i; j < NR_CURSEG_DATA_TYPE; j++) {
+ for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
le32_to_cpu(ckpt->cur_data_segno[j])) {
f2fs_msg(sbi->sb, KERN_ERR,
- "Data segment (%u) and Data segment (%u)"
+ "Node segment (%u) and Data segment (%u)"
" has the same segno: %u", i, j,
le32_to_cpu(ckpt->cur_node_segno[i]));
return 1;
@@ -2616,7 +2616,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
f2fs_msg(sb, KERN_ERR,
"Can't find valid F2FS filesystem in %dth superblock",
block + 1);
- err = -EINVAL;
+ err = -EFSCORRUPTED;
brelse(bh);
continue;
}
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 88e30f7cf9e1..1dae74f7ccca 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -349,7 +349,7 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage,

*xe = __find_xattr(cur_addr, last_txattr_addr, index, len, name);
if (!*xe) {
- err = -EFAULT;
+ err = -EFSCORRUPTED;
goto out;
}
check:
@@ -625,7 +625,7 @@ static int __f2fs_setxattr(struct inode *inode, int index,
/* find entry with wanted name. */
here = __find_xattr(base_addr, last_base_addr, index, len, name);
if (!here) {
- error = -EFAULT;
+ error = -EFSCORRUPTED;
goto exit;
}

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 06a7da8dbda5..38dc0b43c366 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -3841,15 +3841,28 @@ xfs_bmapi_read(
XFS_STATS_INC(mp, xs_blk_mapr);

ifp = XFS_IFORK_PTR(ip, whichfork);
+ if (!ifp) {
+ /* No CoW fork? Return a hole. */
+ if (whichfork == XFS_COW_FORK) {
+ mval->br_startoff = bno;
+ mval->br_startblock = HOLESTARTBLOCK;
+ mval->br_blockcount = len;
+ mval->br_state = XFS_EXT_NORM;
+ *nmap = 1;
+ return 0;
+ }

- /* No CoW fork? Return a hole. */
- if (whichfork == XFS_COW_FORK && !ifp) {
- mval->br_startoff = bno;
- mval->br_startblock = HOLESTARTBLOCK;
- mval->br_blockcount = len;
- mval->br_state = XFS_EXT_NORM;
- *nmap = 1;
- return 0;
+ /*
+ * A missing attr ifork implies that the inode says we're in
+ * extents or btree format but failed to pass the inode fork
+ * verifier while trying to load it. Treat that as a file
+ * corruption too.
+ */
+#ifdef DEBUG
+ xfs_alert(mp, "%s: inode %llu missing fork %d",
+ __func__, ip->i_ino, whichfork);
+#endif /* DEBUG */
+ return -EFSCORRUPTED;
}

if (!(ifp->if_flags & XFS_IFEXTENTS)) {
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 412c2820626d..b7d63c3970d1 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -71,6 +71,7 @@

extern struct workqueue_struct *ib_wq;
extern struct workqueue_struct *ib_comp_wq;
+extern struct workqueue_struct *ib_comp_unbound_wq;

union ib_gid {
u8 raw[16];
@@ -1576,9 +1577,10 @@ struct ib_ah {
typedef void (*ib_comp_handler)(struct ib_cq *cq, void *cq_context);

enum ib_poll_context {
- IB_POLL_DIRECT, /* caller context, no hw completions */
- IB_POLL_SOFTIRQ, /* poll from softirq context */
- IB_POLL_WORKQUEUE, /* poll from workqueue */
+ IB_POLL_DIRECT, /* caller context, no hw completions */
+ IB_POLL_SOFTIRQ, /* poll from softirq context */
+ IB_POLL_WORKQUEUE, /* poll from workqueue */
+ IB_POLL_UNBOUND_WORKQUEUE, /* poll from unbound workqueue */
};

struct ib_cq {
@@ -1595,6 +1597,7 @@ struct ib_cq {
struct irq_poll iop;
struct work_struct work;
};
+ struct workqueue_struct *comp_wq;
/*
* Implementation details of the RDMA core, don't use in drivers:
*/
diff --git a/init/initramfs.c b/init/initramfs.c
index cd5fb00fcb54..dab8d63459f6 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -524,7 +524,7 @@ static void __init free_initrd(void)
unsigned long crashk_start = (unsigned long)__va(crashk_res.start);
unsigned long crashk_end = (unsigned long)__va(crashk_res.end);
#endif
- if (do_retain_initrd)
+ if (do_retain_initrd || !initrd_start)
goto skip;

#ifdef CONFIG_KEXEC_CORE
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index e810e8cb17e1..1e272f6a01e7 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -3605,6 +3605,9 @@ static int __lock_downgrade(struct lockdep_map *lock, unsigned long ip)
unsigned int depth;
int i;

+ if (unlikely(!debug_locks))
+ return 0;
+
depth = curr->lockdep_depth;
/*
* This function is about (re)setting the class of a held lock,
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0adcddb211fa..3e7badb3ac2d 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -5545,11 +5545,6 @@ static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
return send_conn_param_neg_reply(hdev, handle,
HCI_ERROR_UNKNOWN_CONN_ID);

- if (min < hcon->le_conn_min_interval ||
- max > hcon->le_conn_max_interval)
- return send_conn_param_neg_reply(hdev, handle,
- HCI_ERROR_INVALID_LL_PARAMS);
-
if (hci_check_conn_params(min, max, latency, timeout))
return send_conn_param_neg_reply(hdev, handle,
HCI_ERROR_INVALID_LL_PARAMS);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index a54dadf4a6ca..260ef5426e0c 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -5287,14 +5287,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,

memset(&rsp, 0, sizeof(rsp));

- if (min < hcon->le_conn_min_interval ||
- max > hcon->le_conn_max_interval) {
- BT_DBG("requested connection interval exceeds current bounds.");
- err = -EINVAL;
- } else {
- err = hci_check_conn_params(min, max, latency, to_multiplier);
- }
-
+ err = hci_check_conn_params(min, max, latency, to_multiplier);
if (err)
rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED);
else
diff --git a/net/ipv4/raw_diag.c b/net/ipv4/raw_diag.c
index c200065ef9a5..6367ecdf76c4 100644
--- a/net/ipv4/raw_diag.c
+++ b/net/ipv4/raw_diag.c
@@ -23,9 +23,6 @@ raw_get_hashinfo(const struct inet_diag_req_v2 *r)
return &raw_v6_hashinfo;
#endif
} else {
- pr_warn_once("Unexpected inet family %d\n",
- r->sdiag_family);
- WARN_ON_ONCE(1);
return ERR_PTR(-EINVAL);
}
}
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index d7f3776dfd71..637ce3e8c575 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -47,9 +47,6 @@ static void nft_socket_eval(const struct nft_expr *expr,
return;
}

- /* So that subsequent socket matching not to require other lookups. */
- skb->sk = sk;
-
switch(priv->key) {
case NFT_SOCKET_TRANSPARENT:
nft_reg_store8(dest, inet_sk_transparent(sk));
@@ -66,6 +63,9 @@ static void nft_socket_eval(const struct nft_expr *expr,
WARN_ON(1);
regs->verdict.code = NFT_BREAK;
}
+
+ if (sk != skb->sk)
+ sock_gen_put(sk);
}

static const struct nla_policy nft_socket_policy[NFTA_SOCKET_MAX + 1] = {
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 0f4398e7f2a7..93e336535d3b 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -239,34 +239,33 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
}

- sock_set_flag(sk, SOCK_RCU_FREE);
- ret = rds_add_bound(rs, binding_addr, &port, scope_id);
- if (ret)
- goto out;
-
- if (rs->rs_transport) { /* previously bound */
+ /* The transport can be set using SO_RDS_TRANSPORT option before the
+ * socket is bound.
+ */
+ if (rs->rs_transport) {
trans = rs->rs_transport;
- if (trans->laddr_check(sock_net(sock->sk),
+ if (!trans->laddr_check ||
+ trans->laddr_check(sock_net(sock->sk),
binding_addr, scope_id) != 0) {
ret = -ENOPROTOOPT;
- rds_remove_bound(rs);
- } else {
- ret = 0;
+ goto out;
}
- goto out;
- }
- trans = rds_trans_get_preferred(sock_net(sock->sk), binding_addr,
- scope_id);
- if (!trans) {
- ret = -EADDRNOTAVAIL;
- rds_remove_bound(rs);
- pr_info_ratelimited("RDS: %s could not find a transport for %pI6c, load rds_tcp or rds_rdma?\n",
- __func__, binding_addr);
- goto out;
+ } else {
+ trans = rds_trans_get_preferred(sock_net(sock->sk),
+ binding_addr, scope_id);
+ if (!trans) {
+ ret = -EADDRNOTAVAIL;
+ pr_info_ratelimited("RDS: %s could not find a transport for %pI6c, load rds_tcp or rds_rdma?\n",
+ __func__, binding_addr);
+ goto out;
+ }
+ rs->rs_transport = trans;
}

- rs->rs_transport = trans;
- ret = 0;
+ sock_set_flag(sk, SOCK_RCU_FREE);
+ ret = rds_add_bound(rs, binding_addr, &port, scope_id);
+ if (ret)
+ rs->rs_transport = NULL;

out:
release_sock(sk);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index be7cd140b2a3..b06cc5e50412 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1831,6 +1831,8 @@ static void tc_bind_tclass(struct Qdisc *q, u32 portid, u32 clid,
cl = cops->find(q, portid);
if (!cl)
return;
+ if (!cops->tcf_block)
+ return;
block = cops->tcf_block(q, cl, NULL);
if (!block)
return;
diff --git a/sound/firewire/dice/dice-alesis.c b/sound/firewire/dice/dice-alesis.c
index 218292bdace6..f5b325263b67 100644
--- a/sound/firewire/dice/dice-alesis.c
+++ b/sound/firewire/dice/dice-alesis.c
@@ -15,7 +15,7 @@ alesis_io14_tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT] = {

static const unsigned int
alesis_io26_tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT] = {
- {10, 10, 8}, /* Tx0 = Analog + S/PDIF. */
+ {10, 10, 4}, /* Tx0 = Analog + S/PDIF. */
{16, 8, 0}, /* Tx1 = ADAT1 + ADAT2. */
};

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index c3e3d80ff720..0b24c5ce2fd6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2662,8 +2662,7 @@ static const struct pci_device_id azx_ids[] = {
AZX_DCAPS_PM_RUNTIME },
/* AMD Raven */
{ PCI_DEVICE(0x1022, 0x15e3),
- .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
- AZX_DCAPS_PM_RUNTIME },
+ .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
/* ATI HDMI */
{ PCI_DEVICE(0x1002, 0x0002),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index fd476fb40e1b..677dcc0aca97 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -370,6 +370,7 @@ static const struct hda_fixup ad1986a_fixups[] = {

static const struct snd_pci_quirk ad1986a_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x30af, "HP B2800", AD1986A_FIXUP_LAPTOP_IMIC),
+ SND_PCI_QUIRK(0x1043, 0x1153, "ASUS M9V", AD1986A_FIXUP_LAPTOP_IMIC),
SND_PCI_QUIRK(0x1043, 0x1443, "ASUS Z99He", AD1986A_FIXUP_EAPD),
SND_PCI_QUIRK(0x1043, 0x1447, "ASUS A8JN", AD1986A_FIXUP_EAPD),
SND_PCI_QUIRK_MASK(0x1043, 0xff00, 0x8100, "ASUS P5", AD1986A_FIXUP_3STACK),
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 0a648229e643..09b2967befd9 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1439,8 +1439,10 @@ static int fsl_ssi_probe_from_dt(struct fsl_ssi *ssi)
* different name to register the device.
*/
if (!ssi->card_name[0] && of_get_property(np, "codec-handle", NULL)) {
- sprop = of_get_property(of_find_node_by_path("/"),
- "compatible", NULL);
+ struct device_node *root = of_find_node_by_path("/");
+
+ sprop = of_get_property(root, "compatible", NULL);
+ of_node_put(root);
/* Strip "fsl," in the compatible name if applicable */
p = strrchr(sprop, ',');
if (p)
diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
index 08a5152e635a..e7620017e725 100644
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -42,6 +42,7 @@ struct cht_mc_private {
struct clk *mclk;
struct snd_soc_jack jack;
bool ts3a227e_present;
+ int quirks;
};

static int platform_clock_control(struct snd_soc_dapm_widget *w,
@@ -53,6 +54,10 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
int ret;

+ /* See the comment in snd_cht_mc_probe() */
+ if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
+ return 0;
+
codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
if (!codec_dai) {
dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
@@ -222,6 +227,10 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
"jack detection gpios not added, error %d\n", ret);
}

+ /* See the comment in snd_cht_mc_probe() */
+ if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
+ return 0;
+
/*
* The firmware might enable the clock at
* boot (this information may or may not
@@ -420,16 +429,15 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
int ret_val = 0;
struct cht_mc_private *drv;
const char *mclk_name;
- int quirks = 0;
-
- dmi_id = dmi_first_match(cht_max98090_quirk_table);
- if (dmi_id)
- quirks = (unsigned long)dmi_id->driver_data;

drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
if (!drv)
return -ENOMEM;

+ dmi_id = dmi_first_match(cht_max98090_quirk_table);
+ if (dmi_id)
+ drv->quirks = (unsigned long)dmi_id->driver_data;
+
drv->ts3a227e_present = acpi_dev_found("104C227E");
if (!drv->ts3a227e_present) {
/* no need probe TI jack detection chip */
@@ -446,7 +454,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
snd_soc_card_cht.dev = &pdev->dev;
snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);

- if (quirks & QUIRK_PMC_PLT_CLK_0)
+ if (drv->quirks & QUIRK_PMC_PLT_CLK_0)
mclk_name = "pmc_plt_clk_0";
else
mclk_name = "pmc_plt_clk_3";
@@ -459,6 +467,21 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
return PTR_ERR(drv->mclk);
}

+ /*
+ * Boards which have the MAX98090's clk connected to clk_0 do not seem
+ * to like it if we muck with the clock. If we disable the clock when
+ * it is unused we get "max98090 i2c-193C9890:00: PLL unlocked" errors
+ * and the PLL never seems to lock again.
+ * So for these boards we enable it here once and leave it at that.
+ */
+ if (drv->quirks & QUIRK_PMC_PLT_CLK_0) {
+ ret_val = clk_prepare_enable(drv->mclk);
+ if (ret_val < 0) {
+ dev_err(&pdev->dev, "MCLK enable error: %d\n", ret_val);
+ return ret_val;
+ }
+ }
+
ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
if (ret_val) {
dev_err(&pdev->dev,
@@ -469,11 +492,23 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
return ret_val;
}

+static int snd_cht_mc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
+
+ if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
+ clk_disable_unprepare(ctx->mclk);
+
+ return 0;
+}
+
static struct platform_driver snd_cht_mc_driver = {
.driver = {
.name = "cht-bsw-max98090",
},
.probe = snd_cht_mc_probe,
+ .remove = snd_cht_mc_remove,
};

module_platform_driver(snd_cht_mc_driver)
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index d71e01954975..60d00091f64b 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1449,6 +1449,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
case 0x152a: /* Thesycon devices */
case 0x25ce: /* Mytek devices */
case 0x2ab6: /* T+A devices */
+ case 0x3842: /* EVGA */
+ case 0xc502: /* HiBy devices */
if (fp->dsd_raw)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index dd0b68d1f4be..482025b72839 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -75,6 +75,17 @@ static inline int sys_bpf(enum bpf_cmd cmd, union bpf_attr *attr,
return syscall(__NR_bpf, cmd, attr, size);
}

+static inline int sys_bpf_prog_load(union bpf_attr *attr, unsigned int size)
+{
+ int fd;
+
+ do {
+ fd = sys_bpf(BPF_PROG_LOAD, attr, size);
+ } while (fd < 0 && errno == EAGAIN);
+
+ return fd;
+}
+
int bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr)
{
__u32 name_len = create_attr->name ? strlen(create_attr->name) : 0;
@@ -218,7 +229,7 @@ int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr,
memcpy(attr.prog_name, load_attr->name,
min(name_len, BPF_OBJ_NAME_LEN - 1));

- fd = sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
+ fd = sys_bpf_prog_load(&attr, sizeof(attr));
if (fd >= 0 || !log_buf || !log_buf_sz)
return fd;

@@ -227,7 +238,7 @@ int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr,
attr.log_size = log_buf_sz;
attr.log_level = 1;
log_buf[0] = 0;
- return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
+ return sys_bpf_prog_load(&attr, sizeof(attr));
}

int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
@@ -268,7 +279,7 @@ int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
attr.kern_version = kern_version;
attr.prog_flags = strict_alignment ? BPF_F_STRICT_ALIGNMENT : 0;

- return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
+ return sys_bpf_prog_load(&attr, sizeof(attr));
}

int bpf_map_update_elem(int fd, const void *key, const void *value,
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 88158239622b..20f67fcf378d 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -35,7 +35,7 @@ INCLUDES := -I$(srctree)/tools/include \
-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
-I$(srctree)/tools/objtool/arch/$(ARCH)/include
WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
-CFLAGS += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
+CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)

# Allow old libelf to be used:

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