5.18.4-rc1 review

index 75564a7df15b..68f681ad54c1 100644
@@ -3,6 +3,7 @@
 #include "util/pmu.h"
 #include "util/evlist.h"
 #include "util/parse-events.h"
+#include "topdown.h"
 
 #define TOPDOWN_L1_EVENTS	"{slots,topdown-retiring,topdown-bad-spec,topdown-fe-bound,topdown-be-bound}"
 #define TOPDOWN_L2_EVENTS	"{slots,topdown-retiring,topdown-bad-spec,topdown-fe-bound,topdown-be-bound,topdown-heavy-ops,topdown-br-mispredict,topdown-fetch-lat,topdown-mem-bound}"

@@ -25,12 +26,12 @@ struct evsel *arch_evlist__leader(struct list_head *list)
 
 	first = list_first_entry(list, struct evsel, core.node);
 
-	if (!pmu_have_event("cpu", "slots"))
+	if (!topdown_sys_has_perf_metrics())
 		return first;
 
 	/* If there is a slots event and a topdown event then the slots event comes first. */
 	__evlist__for_each_entry(list, evsel) {
-		if (evsel->pmu_name && !strcmp(evsel->pmu_name, "cpu") && evsel->name) {
+		if (evsel->pmu_name && !strncmp(evsel->pmu_name, "cpu", 3) && evsel->name) {
 			if (strcasestr(evsel->name, "slots")) {
 				slots = evsel;
 				if (slots == first)

index 2f3d96aa92a5..f4d5422e9960 100644
@@ -3,6 +3,31 @@
 #include "api/fs/fs.h"
 #include "util/pmu.h"
 #include "util/topdown.h"
+#include "topdown.h"
+
+/* Check whether there is a PMU which supports the perf metrics. */
+bool topdown_sys_has_perf_metrics(void)
+{
+	static bool has_perf_metrics;
+	static bool cached;
+	struct perf_pmu *pmu;
+
+	if (cached)
+		return has_perf_metrics;
+
+	/*
+	 * The perf metrics feature is a core PMU feature.
+	 * The PERF_TYPE_RAW type is the type of a core PMU.
+	 * The slots event is only available when the core PMU
+	 * supports the perf metrics feature.
+	 */
+	pmu = perf_pmu__find_by_type(PERF_TYPE_RAW);
+	if (pmu && pmu_have_event(pmu->name, "slots"))
+		has_perf_metrics = true;
+
+	cached = true;
+	return has_perf_metrics;
+}
 
 /*
  * Check whether we can use a group for top down.

new file mode 100644
index 000000000000..46bf9273e572
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TOPDOWN_H
+#define _TOPDOWN_H 1
+
+bool topdown_sys_has_perf_metrics(void);
+
+#endif

index ff4561b7b600..3501399cef35 100644
@@ -5,6 +5,7 @@
 #include "util/env.h"
 #include "util/pmu.h"
 #include "linux/string.h"
+#include "evsel.h"
 
 void arch_evsel__set_sample_weight(struct evsel *evsel)
 {

@@ -32,7 +33,7 @@ void arch_evsel__fixup_new_cycles(struct perf_event_attr *attr)
 }
 
 /* Check whether the evsel's PMU supports the perf metrics */
-static bool evsel__sys_has_perf_metrics(const struct evsel *evsel)
+bool evsel__sys_has_perf_metrics(const struct evsel *evsel)
 {
 	const char *pmu_name = evsel->pmu_name ? evsel->pmu_name : "cpu";
 

new file mode 100644
index 000000000000..19ad1691374d
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _EVSEL_H
+#define _EVSEL_H 1
+
+bool evsel__sys_has_perf_metrics(const struct evsel *evsel);
+
+#endif

index f4d5422e9960..f81a7cfe4d63 100644
@@ -4,6 +4,7 @@
 #include "util/pmu.h"
 #include "util/topdown.h"
 #include "topdown.h"
+#include "evsel.h"
 
 /* Check whether there is a PMU which supports the perf metrics. */
 bool topdown_sys_has_perf_metrics(void)

@@ -55,33 +56,19 @@ void arch_topdown_group_warn(void)
 
 #define TOPDOWN_SLOTS		0x0400
 
-static bool is_topdown_slots_event(struct evsel *counter)
-{
-	if (!counter->pmu_name)
-		return false;
-
-	if (strcmp(counter->pmu_name, "cpu"))
-		return false;
-
-	if (counter->core.attr.config == TOPDOWN_SLOTS)
-		return true;
-
-	return false;
-}
-
 /*
  * Check whether a topdown group supports sample-read.
  *
- * Only Topdown metic supports sample-read. The slots
+ * Only Topdown metric supports sample-read. The slots
  * event must be the leader of the topdown group.
  */
 
 bool arch_topdown_sample_read(struct evsel *leader)
 {
-	if (!pmu_have_event("cpu", "slots"))
+	if (!evsel__sys_has_perf_metrics(leader))
 		return false;
 
-	if (is_topdown_slots_event(leader))
+	if (leader->core.attr.config == TOPDOWN_SLOTS)
 		return true;
 
 	return false;

index 8c9ffacbdd28..157533d451e3 100644
@@ -925,8 +925,8 @@ percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 	double per_left;
 	double per_right;
 
-	per_left  = PERCENT(left, lcl_hitm);
-	per_right = PERCENT(right, lcl_hitm);
+	per_left  = PERCENT(left, rmt_hitm);
+	per_right = PERCENT(right, rmt_hitm);
 
 	return per_left - per_right;
 }

index d2d390534e54..74937a834648 100644
@@ -4529,6 +4529,23 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 		params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
 						le_addr_type(cp->addr.type));
 		if (params) {
+			DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);
+
+			bitmap_from_u64(flags, current_flags);
+
+			/* Devices using RPAs can only be programmed in the
+			 * acceptlist LL Privacy has been enable otherwise they
+			 * cannot mark HCI_CONN_FLAG_REMOTE_WAKEUP.
+			 */
+			if (test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, flags) &&
+			    !use_ll_privacy(hdev) &&
+			    hci_find_irk_by_addr(hdev, &params->addr,
+						 params->addr_type)) {
+				bt_dev_warn(hdev,
+					    "Cannot set wakeable for RPA");
+				goto unlock;
+			}
+
 			bitmap_from_u64(params->flags, current_flags);
 			status = MGMT_STATUS_SUCCESS;
 

@@ -4545,6 +4562,7 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 		}
 	}
 
+unlock:
 	hci_dev_unlock(hdev);
 
 done:

index 13600bf120b0..6b8d1cd65de4 100644
@@ -1664,20 +1664,19 @@ static int hci_le_add_accept_list_sync(struct hci_dev *hdev,
 	struct hci_cp_le_add_to_accept_list cp;
 	int err;
 
+	/* During suspend, only wakeable devices can be in acceptlist */
+	if (hdev->suspended &&
+	    !test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, params->flags))
+		return 0;
+
 	/* Select filter policy to accept all advertising */
 	if (*num_entries >= hdev->le_accept_list_size)
 		return -ENOSPC;
 
 	/* Accept list can not be used with RPAs */
 	if (!use_ll_privacy(hdev) &&
-	    hci_find_irk_by_addr(hdev, &params->addr, params->addr_type)) {
+	    hci_find_irk_by_addr(hdev, &params->addr, params->addr_type))
 		return -EINVAL;
-	}
-
-	/* During suspend, only wakeable devices can be in acceptlist */
-	if (hdev->suspended &&
-	    !test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, params->flags))
-		return 0;
 
 	/* Attempt to program the device in the resolving list first to avoid
 	 * having to rollback in case it fails since the resolving list is

@@ -4881,10 +4880,28 @@ static int hci_update_event_filter_sync(struct hci_dev *hdev)
 	return 0;
 }
 
+/* This function disables scan (BR and LE) and mark it as paused */
+static int hci_pause_scan_sync(struct hci_dev *hdev)
+{
+	if (hdev->scanning_paused)
+		return 0;
+
+	/* Disable page scan if enabled */
+	if (test_bit(HCI_PSCAN, &hdev->flags))
+		hci_write_scan_enable_sync(hdev, SCAN_DISABLED);
+
+	hci_scan_disable_sync(hdev);
+
+	hdev->scanning_paused = true;
+
+	return 0;
+}
+
 /* This function performs the HCI suspend procedures in the follow order:
  *
  * Pause discovery (active scanning/inquiry)
  * Pause Directed Advertising/Advertising
+ * Pause Scanning (passive scanning in case discovery was not active)
  * Disconnect all connections
  * Set suspend_status to BT_SUSPEND_DISCONNECT if hdev cannot wakeup
  * otherwise:

@@ -4910,15 +4927,11 @@ int hci_suspend_sync(struct hci_dev *hdev)
 	/* Pause other advertisements */
 	hci_pause_advertising_sync(hdev);
 
-	/* Disable page scan if enabled */
-	if (test_bit(HCI_PSCAN, &hdev->flags))
-		hci_write_scan_enable_sync(hdev, SCAN_DISABLED);
-
 	/* Suspend monitor filters */
 	hci_suspend_monitor_sync(hdev);
 
 	/* Prevent disconnects from causing scanning to be re-enabled */
-	hdev->scanning_paused = true;
+	hci_pause_scan_sync(hdev);
 
 	/* Soft disconnect everything (power off) */
 	err = hci_disconnect_all_sync(hdev, HCI_ERROR_REMOTE_POWER_OFF);

@@ -4989,6 +5002,22 @@ static void hci_resume_monitor_sync(struct hci_dev *hdev)
 	}
 }
 
+/* This function resume scan and reset paused flag */
+static int hci_resume_scan_sync(struct hci_dev *hdev)
+{
+	if (!hdev->scanning_paused)
+		return 0;
+
+	hci_update_scan_sync(hdev);
+
+	/* Reset passive scanning to normal */
+	hci_update_passive_scan_sync(hdev);
+
+	hdev->scanning_paused = false;
+
+	return 0;
+}
+
 /* This function performs the HCI suspend procedures in the follow order:
  *
  * Restore event mask

@@ -5011,10 +5040,9 @@ int hci_resume_sync(struct hci_dev *hdev)
 
 	/* Clear any event filters and restore scan state */
 	hci_clear_event_filter_sync(hdev);
-	hci_update_scan_sync(hdev);
 
-	/* Reset passive scanning to normal */
-	hci_update_passive_scan_sync(hdev);
+	/* Resume scanning */
+	hci_resume_scan_sync(hdev);
 
 	/* Resume monitor filters */
 	hci_resume_monitor_sync(hdev);

index 5a52a2018b56..c0ea2a4892b1 100644
@@ -155,21 +155,18 @@ struct bdaddr_list_with_irk {
 	u8 local_irk[16];
 };
 
+/* Bitmask of connection flags */
 enum hci_conn_flags {
-	HCI_CONN_FLAG_REMOTE_WAKEUP,
-	HCI_CONN_FLAG_DEVICE_PRIVACY,
-
-	__HCI_CONN_NUM_FLAGS,
+	HCI_CONN_FLAG_REMOTE_WAKEUP = 1,
+	HCI_CONN_FLAG_DEVICE_PRIVACY = 2,
 };
-
-/* Make sure number of flags doesn't exceed sizeof(current_flags) */
-static_assert(__HCI_CONN_NUM_FLAGS < 32);
+typedef u8 hci_conn_flags_t;
 
 struct bdaddr_list_with_flags {
 	struct list_head list;
 	bdaddr_t bdaddr;
 	u8 bdaddr_type;
-	DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);
+	hci_conn_flags_t flags;
 };
 
 struct bt_uuid {

@@ -576,7 +573,7 @@ struct hci_dev {
 	struct rfkill		*rfkill;
 
 	DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
-	DECLARE_BITMAP(conn_flags, __HCI_CONN_NUM_FLAGS);
+	hci_conn_flags_t	conn_flags;
 
 	__s8			adv_tx_power;
 	__u8			adv_data[HCI_MAX_EXT_AD_LENGTH];

@@ -775,7 +772,7 @@ struct hci_conn_params {
 
 	struct hci_conn *conn;
 	bool explicit_connect;
-	DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);
+	hci_conn_flags_t flags;
 	u8  privacy_mode;
 };
 

index 45c2dd2e1590..19df3905c5f8 100644
@@ -2153,7 +2153,7 @@ int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
 
 	bacpy(&entry->bdaddr, bdaddr);
 	entry->bdaddr_type = type;
-	bitmap_from_u64(entry->flags, flags);
+	entry->flags = flags;
 
 	list_add(&entry->list, list);
 

@@ -2634,7 +2634,7 @@ int hci_register_dev(struct hci_dev *hdev)
 	 * callback.
 	 */
 	if (hdev->wakeup)
-		set_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, hdev->conn_flags);
+		hdev->conn_flags |= HCI_CONN_FLAG_REMOTE_WAKEUP;
 
 	hci_sock_dev_event(hdev, HCI_DEV_REG);
 	hci_dev_hold(hdev);

index f4afe482e300..95689982eedb 100644
@@ -482,7 +482,7 @@ static int add_to_accept_list(struct hci_request *req,
 
 	/* During suspend, only wakeable devices can be in accept list */
 	if (hdev->suspended &&
-	    !test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, params->flags))
+	    !(params->flags & HCI_CONN_FLAG_REMOTE_WAKEUP))
 		return 0;
 
 	*num_entries += 1;

index 6b8d1cd65de4..351c2390164d 100644
@@ -1637,7 +1637,7 @@ static int hci_le_set_privacy_mode_sync(struct hci_dev *hdev,
 	 * indicates that LL Privacy has been enabled and
 	 * HCI_OP_LE_SET_PRIVACY_MODE is supported.
 	 */
-	if (!test_bit(HCI_CONN_FLAG_DEVICE_PRIVACY, params->flags))
+	if (!(params->flags & HCI_CONN_FLAG_DEVICE_PRIVACY))
 		return 0;
 
 	irk = hci_find_irk_by_addr(hdev, &params->addr, params->addr_type);

@@ -1666,7 +1666,7 @@ static int hci_le_add_accept_list_sync(struct hci_dev *hdev,
 
 	/* During suspend, only wakeable devices can be in acceptlist */
 	if (hdev->suspended &&
-	    !test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, params->flags))
+	    !(params->flags & HCI_CONN_FLAG_REMOTE_WAKEUP))
 		return 0;
 
 	/* Select filter policy to accept all advertising */

@@ -4856,7 +4856,7 @@ static int hci_update_event_filter_sync(struct hci_dev *hdev)
 	hci_clear_event_filter_sync(hdev);
 
 	list_for_each_entry(b, &hdev->accept_list, list) {
-		if (!test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, b->flags))
+		if (!(b->flags & HCI_CONN_FLAG_REMOTE_WAKEUP))
 			continue;
 
 		bt_dev_dbg(hdev, "Adding event filters for %pMR", &b->bdaddr);

index 74937a834648..ae758ab1b558 100644
@@ -4013,10 +4013,11 @@ static int exp_ll_privacy_feature_changed(bool enabled, struct hci_dev *hdev,
 	memcpy(ev.uuid, rpa_resolution_uuid, 16);
 	ev.flags = cpu_to_le32((enabled ? BIT(0) : 0) | BIT(1));
 
+	// Do we need to be atomic with the conn_flags?
 	if (enabled && privacy_mode_capable(hdev))
-		set_bit(HCI_CONN_FLAG_DEVICE_PRIVACY, hdev->conn_flags);
+		hdev->conn_flags |= HCI_CONN_FLAG_DEVICE_PRIVACY;
 	else
-		clear_bit(HCI_CONN_FLAG_DEVICE_PRIVACY, hdev->conn_flags);
+		hdev->conn_flags &= ~HCI_CONN_FLAG_DEVICE_PRIVACY;
 
 	return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, hdev,
 				  &ev, sizeof(ev),

@@ -4435,8 +4436,7 @@ static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	hci_dev_lock(hdev);
 
-	bitmap_to_arr32(&supported_flags, hdev->conn_flags,
-			__HCI_CONN_NUM_FLAGS);
+	supported_flags = hdev->conn_flags;
 
 	memset(&rp, 0, sizeof(rp));
 

@@ -4447,8 +4447,7 @@ static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 		if (!br_params)
 			goto done;
 
-		bitmap_to_arr32(&current_flags, br_params->flags,
-				__HCI_CONN_NUM_FLAGS);
+		current_flags = br_params->flags;
 	} else {
 		params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
 						le_addr_type(cp->addr.type));

@@ -4456,8 +4455,7 @@ static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 		if (!params)
 			goto done;
 
-		bitmap_to_arr32(&current_flags, params->flags,
-				__HCI_CONN_NUM_FLAGS);
+		current_flags = params->flags;
 	}
 
 	bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);

@@ -4502,8 +4500,8 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 		   &cp->addr.bdaddr, cp->addr.type,
 		   __le32_to_cpu(current_flags));
 
-	bitmap_to_arr32(&supported_flags, hdev->conn_flags,
-			__HCI_CONN_NUM_FLAGS);
+	// We should take hci_dev_lock() early, I think.. conn_flags can change
+	supported_flags = hdev->conn_flags;
 
 	if ((supported_flags | current_flags) != supported_flags) {
 		bt_dev_warn(hdev, "Bad flag given (0x%x) vs supported (0x%0x)",

@@ -4519,7 +4517,7 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 							      cp->addr.type);
 
 		if (br_params) {
-			bitmap_from_u64(br_params->flags, current_flags);
+			br_params->flags = current_flags;
 			status = MGMT_STATUS_SUCCESS;
 		} else {
 			bt_dev_warn(hdev, "No such BR/EDR device %pMR (0x%x)",

@@ -4529,15 +4527,11 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 		params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
 						le_addr_type(cp->addr.type));
 		if (params) {
-			DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);
-
-			bitmap_from_u64(flags, current_flags);
-
 			/* Devices using RPAs can only be programmed in the
 			 * acceptlist LL Privacy has been enable otherwise they
 			 * cannot mark HCI_CONN_FLAG_REMOTE_WAKEUP.
 			 */
-			if (test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, flags) &&
+			if ((current_flags & HCI_CONN_FLAG_REMOTE_WAKEUP) &&
 			    !use_ll_privacy(hdev) &&
 			    hci_find_irk_by_addr(hdev, &params->addr,
 						 params->addr_type)) {

@@ -4546,14 +4540,13 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
 				goto unlock;
 			}
 
-			bitmap_from_u64(params->flags, current_flags);
+			params->flags = current_flags;
 			status = MGMT_STATUS_SUCCESS;
 
 			/* Update passive scan if HCI_CONN_FLAG_DEVICE_PRIVACY
 			 * has been set.
 			 */
-			if (test_bit(HCI_CONN_FLAG_DEVICE_PRIVACY,
-				     params->flags))
+			if (params->flags & HCI_CONN_FLAG_DEVICE_PRIVACY)
 				hci_update_passive_scan(hdev);
 		} else {
 			bt_dev_warn(hdev, "No such LE device %pMR (0x%x)",

@@ -7154,8 +7147,7 @@ static int add_device(struct sock *sk, struct hci_dev *hdev,
 		params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
 						addr_type);
 		if (params)
-			bitmap_to_arr32(&current_flags, params->flags,
-					__HCI_CONN_NUM_FLAGS);
+			current_flags = params->flags;
 	}
 
 	err = hci_cmd_sync_queue(hdev, add_device_sync, NULL, NULL);

@@ -7164,8 +7156,7 @@ static int add_device(struct sock *sk, struct hci_dev *hdev,
 
 added:
 	device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
-	bitmap_to_arr32(&supported_flags, hdev->conn_flags,
-			__HCI_CONN_NUM_FLAGS);
+	supported_flags = hdev->conn_flags;
 	device_flags_changed(NULL, hdev, &cp->addr.bdaddr, cp->addr.type,
 			     supported_flags, current_flags);
 

index bfff59617d04..13e061944db9 100644
@@ -193,6 +193,7 @@ int idxd_register_dma_device(struct idxd_device *idxd)
 	INIT_LIST_HEAD(&dma->channels);
 	dma->dev = dev;
 
+	dma_cap_set(DMA_INTERRUPT, dma->cap_mask);
 	dma_cap_set(DMA_PRIVATE, dma->cap_mask);
 	dma_cap_set(DMA_COMPLETION_NO_ORDER, dma->cap_mask);
 	dma->device_release = idxd_dma_release;

index 17aff13cd7ce..3e386f7e1545 100644
@@ -28,6 +28,7 @@ phys_addr_t __weak mips_cpc_default_phys_base(void)
 	cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc");
 	if (cpc_node) {
 		err = of_address_to_resource(cpc_node, 0, &res);
+		of_node_put(cpc_node);
 		if (!err)
 			return res.start;
 	}

index f755bde42fd0..b69e207012c9 100644
@@ -154,7 +154,7 @@ print_syscall_enter(struct trace_iterator *iter, int flags,
 			goto end;
 
 		/* parameter types */
-		if (tr->trace_flags & TRACE_ITER_VERBOSE)
+		if (tr && tr->trace_flags & TRACE_ITER_VERBOSE)
 			trace_seq_printf(s, "%s ", entry->types[i]);
 
 		/* parameter values */

@@ -296,9 +296,7 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 	struct trace_event_file *trace_file;
 	struct syscall_trace_enter *entry;
 	struct syscall_metadata *sys_data;
-	struct ring_buffer_event *event;
-	struct trace_buffer *buffer;
-	unsigned int trace_ctx;
+	struct trace_event_buffer fbuffer;
 	unsigned long args[6];
 	int syscall_nr;
 	int size;

@@ -321,20 +319,16 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 
 	size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
 
-	trace_ctx = tracing_gen_ctx();
-
-	event = trace_event_buffer_lock_reserve(&buffer, trace_file,
-			sys_data->enter_event->event.type, size, trace_ctx);
-	if (!event)
+	entry = trace_event_buffer_reserve(&fbuffer, trace_file, size);
+	if (!entry)
 		return;
 
-	entry = ring_buffer_event_data(event);
+	entry = ring_buffer_event_data(fbuffer.event);
 	entry->nr = syscall_nr;
 	syscall_get_arguments(current, regs, args);
 	memcpy(entry->args, args, sizeof(unsigned long) * sys_data->nb_args);
 
-	event_trigger_unlock_commit(trace_file, buffer, event, entry,
-				    trace_ctx);
+	trace_event_buffer_commit(&fbuffer);
 }
 
 static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)

@@ -343,9 +337,7 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	struct trace_event_file *trace_file;
 	struct syscall_trace_exit *entry;
 	struct syscall_metadata *sys_data;
-	struct ring_buffer_event *event;
-	struct trace_buffer *buffer;
-	unsigned int trace_ctx;
+	struct trace_event_buffer fbuffer;
 	int syscall_nr;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);

@@ -364,20 +356,15 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	if (!sys_data)
 		return;
 
-	trace_ctx = tracing_gen_ctx();
-
-	event = trace_event_buffer_lock_reserve(&buffer, trace_file,
-			sys_data->exit_event->event.type, sizeof(*entry),
-			trace_ctx);
-	if (!event)
+	entry = trace_event_buffer_reserve(&fbuffer, trace_file, sizeof(*entry));
+	if (!entry)
 		return;
 
-	entry = ring_buffer_event_data(event);
+	entry = ring_buffer_event_data(fbuffer.event);
 	entry->nr = syscall_nr;
 	entry->ret = syscall_get_return_value(current, regs);
 
-	event_trigger_unlock_commit(trace_file, buffer, event, entry,
-				    trace_ctx);
+	trace_event_buffer_commit(&fbuffer);
 }
 
 static int reg_event_syscall_enter(struct trace_event_file *file,

index f6fb04d79eba..8d2b5c5ce5b3 100644
@@ -2837,7 +2837,7 @@ trace_event_buffer_lock_reserve(struct trace_buffer **current_rb,
 }
 EXPORT_SYMBOL_GPL(trace_event_buffer_lock_reserve);
 
-static DEFINE_SPINLOCK(tracepoint_iter_lock);
+static DEFINE_RAW_SPINLOCK(tracepoint_iter_lock);
 static DEFINE_MUTEX(tracepoint_printk_mutex);
 
 static void output_printk(struct trace_event_buffer *fbuffer)

@@ -2865,14 +2865,14 @@ static void output_printk(struct trace_event_buffer *fbuffer)
 
 	event = &fbuffer->trace_file->event_call->event;
 
-	spin_lock_irqsave(&tracepoint_iter_lock, flags);
+	raw_spin_lock_irqsave(&tracepoint_iter_lock, flags);
 	trace_seq_init(&iter->seq);
 	iter->ent = fbuffer->entry;
 	event_call->event.funcs->trace(iter, 0, event);
 	trace_seq_putc(&iter->seq, 0);
 	printk("%s", iter->seq.buffer);
 
-	spin_unlock_irqrestore(&tracepoint_iter_lock, flags);
+	raw_spin_unlock_irqrestore(&tracepoint_iter_lock, flags);
 }
 
 int tracepoint_printk_sysctl(struct ctl_table *table, int write,

index 8d2b5c5ce5b3..114c31bdf8f9 100644
@@ -6334,12 +6334,18 @@ static void tracing_set_nop(struct trace_array *tr)
 	tr->current_trace = &nop_trace;
 }
 
+static bool tracer_options_updated;
+
 static void add_tracer_options(struct trace_array *tr, struct tracer *t)
 {
 	/* Only enable if the directory has been created already. */
 	if (!tr->dir)
 		return;
 
+	/* Only create trace option files after update_tracer_options finish */
+	if (!tracer_options_updated)
+		return;
+
 	create_trace_option_files(tr, t);
 }
 

@@ -9178,6 +9184,7 @@ static void __update_tracer_options(struct trace_array *tr)
 static void update_tracer_options(struct trace_array *tr)
 {
 	mutex_lock(&trace_types_lock);
+	tracer_options_updated = true;
 	__update_tracer_options(tr);
 	mutex_unlock(&trace_types_lock);
 }

index f651d3e124d6..bdecb78bfc26 100644
@@ -1177,7 +1177,7 @@ static int mtk_i2c_transfer(struct i2c_adapter *adap,
 	int left_num = num;
 	struct mtk_i2c *i2c = i2c_get_adapdata(adap);
 
-	ret = clk_bulk_prepare_enable(I2C_MT65XX_CLK_MAX, i2c->clocks);
+	ret = clk_bulk_enable(I2C_MT65XX_CLK_MAX, i2c->clocks);
 	if (ret)
 		return ret;
 

@@ -1231,7 +1231,7 @@ static int mtk_i2c_transfer(struct i2c_adapter *adap,
 	ret = num;
 
 err_exit:
-	clk_bulk_disable_unprepare(I2C_MT65XX_CLK_MAX, i2c->clocks);
+	clk_bulk_disable(I2C_MT65XX_CLK_MAX, i2c->clocks);
 	return ret;
 }
 

@@ -1412,7 +1412,7 @@ static int mtk_i2c_probe(struct platform_device *pdev)
 		return ret;
 	}
 	mtk_i2c_init_hw(i2c);
-	clk_bulk_disable_unprepare(I2C_MT65XX_CLK_MAX, i2c->clocks);
+	clk_bulk_disable(I2C_MT65XX_CLK_MAX, i2c->clocks);
 
 	ret = devm_request_irq(&pdev->dev, irq, mtk_i2c_irq,
 			       IRQF_NO_SUSPEND | IRQF_TRIGGER_NONE,

@@ -1439,6 +1439,8 @@ static int mtk_i2c_remove(struct platform_device *pdev)
 
 	i2c_del_adapter(&i2c->adap);
 
+	clk_bulk_unprepare(I2C_MT65XX_CLK_MAX, i2c->clocks);
+
 	return 0;
 }
 

@@ -1448,6 +1450,7 @@ static int mtk_i2c_suspend_noirq(struct device *dev)
 	struct mtk_i2c *i2c = dev_get_drvdata(dev);
 
 	i2c_mark_adapter_suspended(&i2c->adap);
+	clk_bulk_unprepare(I2C_MT65XX_CLK_MAX, i2c->clocks);
 
 	return 0;
 }

@@ -1465,7 +1468,7 @@ static int mtk_i2c_resume_noirq(struct device *dev)
 
 	mtk_i2c_init_hw(i2c);
 
-	clk_bulk_disable_unprepare(I2C_MT65XX_CLK_MAX, i2c->clocks);
+	clk_bulk_disable(I2C_MT65XX_CLK_MAX, i2c->clocks);
 
 	i2c_mark_adapter_resumed(&i2c->adap);
 

index 568cce590ccc..52b71f6aee3f 100644
@@ -2092,11 +2092,10 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ioaddr = res->start;
-	smmu->base = devm_ioremap_resource(dev, res);
+	smmu->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(smmu->base))
 		return PTR_ERR(smmu->base);
+	ioaddr = res->start;
 	/*
 	 * The resource size should effectively match the value of SMMU_TOP;
 	 * stash that temporarily until we know PAGESIZE to validate it with.

index 627a3ed5ee8f..88817a3376ef 100644
@@ -3770,6 +3770,8 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
 
 	/* Base address */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
 	if (resource_size(res) < arm_smmu_resource_size(smmu)) {
 		dev_err(dev, "MMIO region too small (%pr)\n", res);
 		return -EINVAL;

index 909085a78f9c..71b1e93cbe0c 100644
@@ -158,7 +158,7 @@ static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
 		f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
 			 blkaddr, exist);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		WARN_ON(1);
+		dump_stack();
 	}
 	return exist;
 }

@@ -196,7 +196,7 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
 			f2fs_warn(sbi, "access invalid blkaddr:%u",
 				  blkaddr);
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
-			WARN_ON(1);
+			dump_stack();
 			return false;
 		} else {
 			return __is_bitmap_valid(sbi, blkaddr, type);

index 71b1e93cbe0c..beceac9885c3 100644
@@ -98,13 +98,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
 	}
 
 	if (unlikely(!PageUptodate(page))) {
-		if (page->index == sbi->metapage_eio_ofs) {
-			if (sbi->metapage_eio_cnt++ == MAX_RETRY_META_PAGE_EIO)
-				set_ckpt_flags(sbi, CP_ERROR_FLAG);
-		} else {
-			sbi->metapage_eio_ofs = page->index;
-			sbi->metapage_eio_cnt = 0;
-		}
+		f2fs_handle_page_eio(sbi, page->index, META);
 		f2fs_put_page(page, 1);
 		return ERR_PTR(-EIO);
 	}

index 6ec8c6d4711f..9b89f26af1f3 100644
@@ -578,8 +578,8 @@ enum {
 /* maximum retry quota flush count */
 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT		8
 
-/* maximum retry of EIO'ed meta page */
-#define MAX_RETRY_META_PAGE_EIO			100
+/* maximum retry of EIO'ed page */
+#define MAX_RETRY_PAGE_EIO			100
 
 #define F2FS_LINK_MAX	0xffffffff	/* maximum link count per file */
 

@@ -1614,8 +1614,8 @@ struct f2fs_sb_info {
 	/* keep migration IO order for LFS mode */
 	struct f2fs_rwsem io_order_lock;
 	mempool_t *write_io_dummy;		/* Dummy pages */
-	pgoff_t metapage_eio_ofs;		/* EIO page offset */
-	int metapage_eio_cnt;			/* EIO count */
+	pgoff_t page_eio_ofs[NR_PAGE_TYPE];	/* EIO page offset */
+	int page_eio_cnt[NR_PAGE_TYPE];		/* EIO count */
 
 	/* for checkpoint */
 	struct f2fs_checkpoint *ckpt;		/* raw checkpoint pointer */

@@ -4541,6 +4541,21 @@ static inline void f2fs_io_schedule_timeout(long timeout)
 	io_schedule_timeout(timeout);
 }
 
+static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs,
+					enum page_type type)
+{
+	if (unlikely(f2fs_cp_error(sbi)))
+		return;
+
+	if (ofs == sbi->page_eio_ofs[type]) {
+		if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO)
+			set_ckpt_flags(sbi, CP_ERROR_FLAG);
+	} else {
+		sbi->page_eio_ofs[type] = ofs;
+		sbi->page_eio_cnt[type] = 0;
+	}
+}
+
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
 #define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 

index c45d341dcf6e..a8d0fa2731cb 100644
@@ -1416,8 +1416,7 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
 
 	err = read_node_page(page, 0);
 	if (err < 0) {
-		f2fs_put_page(page, 1);
-		return ERR_PTR(err);
+		goto out_put_err;
 	} else if (err == LOCKED_PAGE) {
 		err = 0;
 		goto page_hit;

@@ -1443,19 +1442,21 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
 		goto out_err;
 	}
 page_hit:
-	if (unlikely(nid != nid_of_node(page))) {
-		f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
+	if (likely(nid == nid_of_node(page)))
+		return page;
+
+	f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
 			  nid, nid_of_node(page), ino_of_node(page),
 			  ofs_of_node(page), cpver_of_node(page),
 			  next_blkaddr_of_node(page));
-		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		err = -EINVAL;
+	set_sbi_flag(sbi, SBI_NEED_FSCK);
+	err = -EINVAL;
 out_err:
-		ClearPageUptodate(page);
-		f2fs_put_page(page, 1);
-		return ERR_PTR(err);
-	}
-	return page;
+	ClearPageUptodate(page);
+out_put_err:
+	f2fs_handle_page_eio(sbi, page->index, NODE);
+	f2fs_put_page(page, 1);
+	return ERR_PTR(err);
 }
 
 struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid)

index 805c77143a0f..b4c1ad19cdae 100644
@@ -760,7 +760,7 @@ static void cdns_i2c_master_reset(struct i2c_adapter *adap)
 static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
 		struct i2c_adapter *adap)
 {
-	unsigned long time_left;
+	unsigned long time_left, msg_timeout;
 	u32 reg;
 
 	id->p_msg = msg;

@@ -785,8 +785,16 @@ static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
 	else
 		cdns_i2c_msend(id);
 
+	/* Minimal time to execute this message */
+	msg_timeout = msecs_to_jiffies((1000 * msg->len * BITS_PER_BYTE) / id->i2c_clk);
+	/* Plus some wiggle room */
+	msg_timeout += msecs_to_jiffies(500);
+
+	if (msg_timeout < adap->timeout)
+		msg_timeout = adap->timeout;
+
 	/* Wait for the signal of completion */
-	time_left = wait_for_completion_timeout(&id->xfer_done, adap->timeout);
+	time_left = wait_for_completion_timeout(&id->xfer_done, msg_timeout);
 	if (time_left == 0) {
 		cdns_i2c_master_reset(adap);
 		dev_err(id->adap.dev.parent,

index 87151d67d91e..bce5ca56c388 100644
@@ -42,7 +42,8 @@ extern void paging_init(void);
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
  */
-#define ZERO_PAGE(vaddr)	(virt_to_page(0))
+extern void *empty_zero_page;
+#define ZERO_PAGE(vaddr)	(virt_to_page(empty_zero_page))
 
 /*
  * All 32bit addresses are effectively valid for vmalloc...

index 7aa63b652027..3ffa7f37c701 100644
@@ -229,7 +229,7 @@ struct zynqmp_dma_chan {
 	bool is_dmacoherent;
 	struct tasklet_struct tasklet;
 	bool idle;
-	u32 desc_size;
+	size_t desc_size;
 	bool err;
 	u32 bus_width;
 	u32 src_burst_len;

@@ -486,7 +486,8 @@ static int zynqmp_dma_alloc_chan_resources(struct dma_chan *dchan)
 	}
 
 	chan->desc_pool_v = dma_alloc_coherent(chan->dev,
-					       (2 * chan->desc_size * ZYNQMP_DMA_NUM_DESCS),
+					       (2 * ZYNQMP_DMA_DESC_SIZE(chan) *
+					       ZYNQMP_DMA_NUM_DESCS),
 					       &chan->desc_pool_p, GFP_KERNEL);
 	if (!chan->desc_pool_v)
 		return -ENOMEM;

index 8c5907287c16..d1eaaeb7f713 100644
@@ -3098,6 +3098,10 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
 	}
 
 out:
+	if (opendata->lgp) {
+		nfs4_lgopen_release(opendata->lgp);
+		opendata->lgp = NULL;
+	}
 	if (!opendata->cancelled)
 		nfs4_sequence_free_slot(&opendata->o_res.seq_res);
 	return ret;

index c8e0ea27caf1..58c304a3b7c4 100644
@@ -1009,7 +1009,6 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	struct pci_dev *pdev  = NULL;
 	void __iomem *fb_virt;
 	int gen2vm = efi_enabled(EFI_BOOT);
-	resource_size_t pot_start, pot_end;
 	phys_addr_t paddr;
 	int ret;
 

@@ -1060,23 +1059,7 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	dio_fb_size =
 		screen_width * screen_height * screen_depth / 8;
 
-	if (gen2vm) {
-		pot_start = 0;
-		pot_end = -1;
-	} else {
-		if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
-		    pci_resource_len(pdev, 0) < screen_fb_size) {
-			pr_err("Resource not available or (0x%lx < 0x%lx)\n",
-			       (unsigned long) pci_resource_len(pdev, 0),
-			       (unsigned long) screen_fb_size);
-			goto err1;
-		}
-
-		pot_end = pci_resource_end(pdev, 0);
-		pot_start = pot_end - screen_fb_size + 1;
-	}
-
-	ret = vmbus_allocate_mmio(&par->mem, hdev, pot_start, pot_end,
+	ret = vmbus_allocate_mmio(&par->mem, hdev, 0, -1,
 				  screen_fb_size, 0x100000, true);
 	if (ret != 0) {
 		pr_err("Unable to allocate framebuffer memory\n");

index 350b3139c863..043cc8f9ef1c 100644
@@ -646,6 +646,7 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev)
 	for (i = 0; i < 8; i++) {
 		ret = pxa3xx_gcu_add_buffer(dev, priv);
 		if (ret) {
+			pxa3xx_gcu_free_buffers(dev, priv);
 			dev_err(dev, "failed to allocate DMA memory\n");
 			goto err_disable_clk;
 		}

@@ -662,15 +663,15 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev)
 			SHARED_SIZE, irq);
 	return 0;
 
-err_free_dma:
-	dma_free_coherent(dev, SHARED_SIZE,
-			priv->shared, priv->shared_phys);
+err_disable_clk:
+	clk_disable_unprepare(priv->clk);
 
 err_misc_deregister:
 	misc_deregister(&priv->misc_dev);
 
-err_disable_clk:
-	clk_disable_unprepare(priv->clk);
+err_free_dma:
+	dma_free_coherent(dev, SHARED_SIZE,
+			  priv->shared, priv->shared_phys);
 
 	return ret;
 }

@@ -683,6 +684,7 @@ static int pxa3xx_gcu_remove(struct platform_device *pdev)
 	pxa3xx_gcu_wait_idle(priv);
 	misc_deregister(&priv->misc_dev);
 	dma_free_coherent(dev, SHARED_SIZE, priv->shared, priv->shared_phys);
+	clk_disable_unprepare(priv->clk);
 	pxa3xx_gcu_free_buffers(dev, priv);
 
 	return 0;

index cbef0fc73afa..df8e24559035 100644
@@ -65,7 +65,9 @@ machine_kexec_prepare(struct kimage *image)
 		if (image->segment[i].memsz <= sizeof(fdt))
 			continue;
 
-		if (copy_from_user(&fdt, image->segment[i].buf, sizeof(fdt)))
+		if (image->file_mode)
+			memcpy(&fdt, image->segment[i].buf, sizeof(fdt));
+		else if (copy_from_user(&fdt, image->segment[i].buf, sizeof(fdt)))
 			continue;
 
 		if (fdt_check_header(&fdt))

index 8f94feed969c..07317367ead8 100644
@@ -87,15 +87,8 @@ void (*mach_sched_init) (void) __initdata = NULL;
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
 void (*mach_get_hardware_list) (struct seq_file *m);
-/* machine dependent timer functions */
-int (*mach_hwclk) (int, struct rtc_time*);
-EXPORT_SYMBOL(mach_hwclk);
 unsigned int (*mach_get_ss)(void);
-int (*mach_get_rtc_pll)(struct rtc_pll_info *);
-int (*mach_set_rtc_pll)(struct rtc_pll_info *);
 EXPORT_SYMBOL(mach_get_ss);
-EXPORT_SYMBOL(mach_get_rtc_pll);
-EXPORT_SYMBOL(mach_set_rtc_pll);
 void (*mach_reset)( void );
 void (*mach_halt)( void );
 void (*mach_power_off)( void );

index 5e4104f07a44..19eea73d3c17 100644
@@ -50,7 +50,6 @@ char __initdata command_line[COMMAND_LINE_SIZE];
 
 /* machine dependent timer functions */
 void (*mach_sched_init)(void) __initdata = NULL;
-int (*mach_hwclk) (int, struct rtc_time*);
 
 /* machine dependent reboot functions */
 void (*mach_reset)(void);

index 340ffeea0a9d..a97600b2af50 100644
@@ -63,6 +63,15 @@ void timer_heartbeat(void)
 #endif /* CONFIG_HEARTBEAT */
 
 #ifdef CONFIG_M68KCLASSIC
+/* machine dependent timer functions */
+int (*mach_hwclk) (int, struct rtc_time*);
+EXPORT_SYMBOL(mach_hwclk);
+
+int (*mach_get_rtc_pll)(struct rtc_pll_info *);
+int (*mach_set_rtc_pll)(struct rtc_pll_info *);
+EXPORT_SYMBOL(mach_get_rtc_pll);
+EXPORT_SYMBOL(mach_set_rtc_pll);
+
 #if !IS_BUILTIN(CONFIG_RTC_DRV_GENERIC)
 void read_persistent_clock64(struct timespec64 *ts)
 {

index 176e97b985e6..5d1b97e852e7 100644
@@ -2687,6 +2687,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 			}
 
 			set_page_dirty(page);
+			set_page_private_gcing(page);
 			f2fs_put_page(page, 1);
 
 			idx++;

index 281ddb87ac8d..190a4de239c8 100644
@@ -1121,6 +1121,7 @@ static bool
 rpcrdma_is_bcall(struct rpcrdma_xprt *r_xprt, struct rpcrdma_rep *rep)
 #if defined(CONFIG_SUNRPC_BACKCHANNEL)
 {
+	struct rpc_xprt *xprt = &r_xprt->rx_xprt;
 	struct xdr_stream *xdr = &rep->rr_stream;
 	__be32 *p;
 

@@ -1144,6 +1145,10 @@ rpcrdma_is_bcall(struct rpcrdma_xprt *r_xprt, struct rpcrdma_rep *rep)
 	if (*p != cpu_to_be32(RPC_CALL))
 		return false;
 
+	/* No bc service. */
+	if (xprt->bc_serv == NULL)
+		return false;
+
 	/* Now that we are sure this is a backchannel call,
 	 * advance to the RPC header.
 	 */

index 19daaddd29a4..3d58110465fe 100644
@@ -573,7 +573,7 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model)
 	ctx->host_node = of_graph_get_remote_port_parent(endpoint);
 	of_node_put(endpoint);
 
-	if (ctx->dsi_lanes < 0 || ctx->dsi_lanes > 4) {
+	if (ctx->dsi_lanes <= 0 || ctx->dsi_lanes > 4) {
 		ret = -EINVAL;
 		goto err_put_node;
 	}

index 94b6f0a19c83..47780fe597f2 100644
@@ -233,6 +233,7 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
 		struct drm_file *file)
 {
 	struct panfrost_device *pfdev = dev->dev_private;
+	struct panfrost_file_priv *file_priv = file->driver_priv;
 	struct drm_panfrost_submit *args = data;
 	struct drm_syncobj *sync_out = NULL;
 	struct panfrost_job *job;

@@ -262,12 +263,12 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
 	job->jc = args->jc;
 	job->requirements = args->requirements;
 	job->flush_id = panfrost_gpu_get_latest_flush_id(pfdev);
-	job->file_priv = file->driver_priv;
+	job->mmu = file_priv->mmu;
 
 	slot = panfrost_job_get_slot(job);
 
 	ret = drm_sched_job_init(&job->base,
-				 &job->file_priv->sched_entity[slot],
+				 &file_priv->sched_entity[slot],
 				 NULL);
 	if (ret)
 		goto out_put_job;

index a6925dbb6224..22c2af1a4627 100644
@@ -201,7 +201,7 @@ static void panfrost_job_hw_submit(struct panfrost_job *job, int js)
 		return;
 	}
 
-	cfg = panfrost_mmu_as_get(pfdev, job->file_priv->mmu);
+	cfg = panfrost_mmu_as_get(pfdev, job->mmu);
 
 	job_write(pfdev, JS_HEAD_NEXT_LO(js), lower_32_bits(jc_head));
 	job_write(pfdev, JS_HEAD_NEXT_HI(js), upper_32_bits(jc_head));

@@ -431,7 +431,7 @@ static void panfrost_job_handle_err(struct panfrost_device *pfdev,
 		job->jc = 0;
 	}
 
-	panfrost_mmu_as_put(pfdev, job->file_priv->mmu);
+	panfrost_mmu_as_put(pfdev, job->mmu);
 	panfrost_devfreq_record_idle(&pfdev->pfdevfreq);
 
 	if (signal_fence)

@@ -452,7 +452,7 @@ static void panfrost_job_handle_done(struct panfrost_device *pfdev,
 	 * happen when we receive the DONE interrupt while doing a GPU reset).
 	 */
 	job->jc = 0;
-	panfrost_mmu_as_put(pfdev, job->file_priv->mmu);
+	panfrost_mmu_as_put(pfdev, job->mmu);
 	panfrost_devfreq_record_idle(&pfdev->pfdevfreq);
 
 	dma_fence_signal_locked(job->done_fence);

index 77e6d0e6f612..8becc1ba0eb9 100644
@@ -17,7 +17,7 @@ struct panfrost_job {
 	struct kref refcount;
 
 	struct panfrost_device *pfdev;
-	struct panfrost_file_priv *file_priv;
+	struct panfrost_mmu *mmu;
 
 	/* Fence to be signaled by IRQ handler when the job is complete. */
 	struct dma_fence *done_fence;

index 181b855b3050..82cae08976bc 100644
@@ -465,6 +465,9 @@ static int papr_scm_pmu_check_events(struct papr_scm_priv *p, struct nvdimm_pmu
 	u32 available_events;
 	int index, rc = 0;
 
+	if (!p->stat_buffer_len)
+		return -ENOENT;
+
 	available_events = (p->stat_buffer_len  - sizeof(struct papr_scm_perf_stats))
 			/ sizeof(struct papr_scm_perf_stat);
 	if (available_events == 0)

index 4394df4bc99b..e5fd6995e4bf 100644
@@ -335,7 +335,8 @@ static void nft_nat_inet_eval(const struct nft_expr *expr,
 {
 	const struct nft_nat *priv = nft_expr_priv(expr);
 
-	if (priv->family == nft_pf(pkt))
+	if (priv->family == nft_pf(pkt) ||
+	    priv->family == NFPROTO_INET)
 		nft_nat_eval(expr, regs, pkt);
 }
 

index b6a920813005..a0981e7cb211 100644
@@ -7326,7 +7326,7 @@ static void __nft_unregister_flowtable_net_hooks(struct net *net,
 		nf_unregister_net_hook(net, &hook->ops);
 		if (release_netdev) {
 			list_del(&hook->list);
-			kfree_rcu(hook);
+			kfree_rcu(hook, rcu);
 		}
 	}
 }

index 20af9d3557b9..279ae0fff7ad 100644
@@ -1090,7 +1090,6 @@ struct nft_stats {
 
 struct nft_hook {
 	struct list_head	list;
-	bool			inactive;
 	struct nf_hook_ops	ops;
 	struct rcu_head		rcu;
 };

index a0981e7cb211..f23c40e6caa6 100644
@@ -1914,7 +1914,6 @@ static struct nft_hook *nft_netdev_hook_alloc(struct net *net,
 		goto err_hook_dev;
 	}
 	hook->ops.dev = dev;
-	hook->inactive = false;
 
 	return hook;
 

@@ -7612,6 +7611,7 @@ static int nft_delflowtable_hook(struct nft_ctx *ctx,
 {
 	const struct nlattr * const *nla = ctx->nla;
 	struct nft_flowtable_hook flowtable_hook;
+	LIST_HEAD(flowtable_del_list);
 	struct nft_hook *this, *hook;
 	struct nft_trans *trans;
 	int err;

@@ -7627,7 +7627,7 @@ static int nft_delflowtable_hook(struct nft_ctx *ctx,
 			err = -ENOENT;
 			goto err_flowtable_del_hook;
 		}
-		hook->inactive = true;
+		list_move(&hook->list, &flowtable_del_list);
 	}
 
 	trans = nft_trans_alloc(ctx, NFT_MSG_DELFLOWTABLE,

@@ -7640,6 +7640,7 @@ static int nft_delflowtable_hook(struct nft_ctx *ctx,
 	nft_trans_flowtable(trans) = flowtable;
 	nft_trans_flowtable_update(trans) = true;
 	INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans));
+	list_splice(&flowtable_del_list, &nft_trans_flowtable_hooks(trans));
 	nft_flowtable_hook_release(&flowtable_hook);
 
 	nft_trans_commit_list_add_tail(ctx->net, trans);

@@ -7647,13 +7648,7 @@ static int nft_delflowtable_hook(struct nft_ctx *ctx,
 	return 0;
 
 err_flowtable_del_hook:
-	list_for_each_entry(this, &flowtable_hook.list, list) {
-		hook = nft_hook_list_find(&flowtable->hook_list, this);
-		if (!hook)
-			break;
-
-		hook->inactive = false;
-	}
+	list_splice(&flowtable_del_list, &flowtable->hook_list);
 	nft_flowtable_hook_release(&flowtable_hook);
 
 	return err;

@@ -8559,17 +8554,6 @@ void nft_chain_del(struct nft_chain *chain)
 	list_del_rcu(&chain->list);
 }
 
-static void nft_flowtable_hooks_del(struct nft_flowtable *flowtable,
-				    struct list_head *hook_list)
-{
-	struct nft_hook *hook, *next;
-
-	list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) {
-		if (hook->inactive)
-			list_move(&hook->list, hook_list);
-	}
-}
-
 static void nf_tables_module_autoload_cleanup(struct net *net)
 {
 	struct nftables_pernet *nft_net = nft_pernet(net);

@@ -8914,8 +8898,6 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 			break;
 		case NFT_MSG_DELFLOWTABLE:
 			if (nft_trans_flowtable_update(trans)) {
-				nft_flowtable_hooks_del(nft_trans_flowtable(trans),
-							&nft_trans_flowtable_hooks(trans));
 				nf_tables_flowtable_notify(&trans->ctx,
 							   nft_trans_flowtable(trans),
 							   &nft_trans_flowtable_hooks(trans),

@@ -8996,7 +8978,6 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
 	struct nftables_pernet *nft_net = nft_pernet(net);
 	struct nft_trans *trans, *next;
 	struct nft_trans_elem *te;
-	struct nft_hook *hook;
 
 	if (action == NFNL_ABORT_VALIDATE &&
 	    nf_tables_validate(net) < 0)

@@ -9127,8 +9108,8 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
 			break;
 		case NFT_MSG_DELFLOWTABLE:
 			if (nft_trans_flowtable_update(trans)) {
-				list_for_each_entry(hook, &nft_trans_flowtable(trans)->hook_list, list)
-					hook->inactive = false;
+				list_splice(&nft_trans_flowtable_hooks(trans),
+					    &nft_trans_flowtable(trans)->hook_list);
 			} else {
 				trans->ctx.table->use++;
 				nft_clear(trans->ctx.net, nft_trans_flowtable(trans));

index 125328d1b980..af58f1ed3952 100644
@@ -14,10 +14,16 @@
 
 #ifdef __KERNEL__
 
-#if defined(CONFIG_VMAP_STACK) && CONFIG_THREAD_SHIFT < PAGE_SHIFT
+#ifdef CONFIG_KASAN
+#define MIN_THREAD_SHIFT	(CONFIG_THREAD_SHIFT + 1)
+#else
+#define MIN_THREAD_SHIFT	CONFIG_THREAD_SHIFT
+#endif
+
+#if defined(CONFIG_VMAP_STACK) && MIN_THREAD_SHIFT < PAGE_SHIFT
 #define THREAD_SHIFT		PAGE_SHIFT
 #else
-#define THREAD_SHIFT		CONFIG_THREAD_SHIFT
+#define THREAD_SHIFT		MIN_THREAD_SHIFT
 #endif
 
 #define THREAD_SIZE		(1 << THREAD_SHIFT)

index 2c1b027774d4..0326bdec5de7 100644
@@ -306,11 +306,12 @@ nfsd_file_put(struct nfsd_file *nf)
 	if (test_bit(NFSD_FILE_HASHED, &nf->nf_flags) == 0) {
 		nfsd_file_flush(nf);
 		nfsd_file_put_noref(nf);
-	} else {
+	} else if (nf->nf_file) {
 		nfsd_file_put_noref(nf);
-		if (nf->nf_file)
-			nfsd_file_schedule_laundrette();
-	}
+		nfsd_file_schedule_laundrette();
+	} else
+		nfsd_file_put_noref(nf);
+
 	if (atomic_long_read(&nfsd_filecache_count) >= NFSD_FILE_LRU_LIMIT)
 		nfsd_file_gc();
 }

index 5f0155fdefc7..11cf7c646644 100644
@@ -478,10 +478,10 @@ svc_rdma_build_writes(struct svc_rdma_write_info *info,
 		unsigned int write_len;
 		u64 offset;
 
-		seg = &info->wi_chunk->ch_segments[info->wi_seg_no];
-		if (!seg)
+		if (info->wi_seg_no >= info->wi_chunk->ch_segcount)
 			goto out_overflow;
 
+		seg = &info->wi_chunk->ch_segments[info->wi_seg_no];
 		write_len = min(remaining, seg->rs_length - info->wi_seg_off);
 		if (!write_len)
 			goto out_overflow;

index f23c40e6caa6..e515fa7d1ca2 100644
@@ -544,6 +544,7 @@ static int nft_trans_flowtable_add(struct nft_ctx *ctx, int msg_type,
 	if (msg_type == NFT_MSG_NEWFLOWTABLE)
 		nft_activate_next(ctx->net, flowtable);
 
+	INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans));
 	nft_trans_flowtable(trans) = flowtable;
 	nft_trans_commit_list_add_tail(ctx->net, trans);
 

index 6b5ed3046b44..35608a0cf552 100644
@@ -856,12 +856,14 @@ static int octeon_cf_probe(struct platform_device *pdev)
 				int i;
 				res_dma = platform_get_resource(dma_dev, IORESOURCE_MEM, 0);
 				if (!res_dma) {
+					put_device(&dma_dev->dev);
 					of_node_put(dma_node);
 					return -EINVAL;
 				}
 				cf_port->dma_base = (u64)devm_ioremap(&pdev->dev, res_dma->start,
 									 resource_size(res_dma));
 				if (!cf_port->dma_base) {
+					put_device(&dma_dev->dev);
 					of_node_put(dma_node);
 					return -EINVAL;
 				}

@@ -871,6 +873,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
 					irq = i;
 					irq_handler = octeon_cf_interrupt;
 				}
+				put_device(&dma_dev->dev);
 			}
 			of_node_put(dma_node);
 		}

index e515fa7d1ca2..5c9a53729a28 100644
@@ -7427,11 +7427,15 @@ static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh,
 
 	if (nla[NFTA_FLOWTABLE_FLAGS]) {
 		flags = ntohl(nla_get_be32(nla[NFTA_FLOWTABLE_FLAGS]));
-		if (flags & ~NFT_FLOWTABLE_MASK)
-			return -EOPNOTSUPP;
+		if (flags & ~NFT_FLOWTABLE_MASK) {
+			err = -EOPNOTSUPP;
+			goto err_flowtable_update_hook;
+		}
 		if ((flowtable->data.flags & NFT_FLOWTABLE_HW_OFFLOAD) ^
-		    (flags & NFT_FLOWTABLE_HW_OFFLOAD))
-			return -EOPNOTSUPP;
+		    (flags & NFT_FLOWTABLE_HW_OFFLOAD)) {
+			err = -EOPNOTSUPP;
+			goto err_flowtable_update_hook;
+		}
 	} else {
 		flags = flowtable->data.flags;
 	}

index 5c9a53729a28..bce7da870bce 100644
@@ -8323,6 +8323,9 @@ static void nft_commit_release(struct nft_trans *trans)
 		nf_tables_chain_destroy(&trans->ctx);
 		break;
 	case NFT_MSG_DELRULE:
+		if (trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)
+			nft_flow_rule_destroy(nft_trans_flow_rule(trans));
+
 		nf_tables_rule_destroy(&trans->ctx, nft_trans_rule(trans));
 		break;
 	case NFT_MSG_DELSET:

@@ -8813,6 +8816,9 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 			nf_tables_rule_notify(&trans->ctx,
 					      nft_trans_rule(trans),
 					      NFT_MSG_NEWRULE);
+			if (trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)
+				nft_flow_rule_destroy(nft_trans_flow_rule(trans));
+
 			nft_trans_destroy(trans);
 			break;
 		case NFT_MSG_DELRULE:

index 021778a7e1af..6484095a8c01 100644
@@ -612,5 +612,6 @@ int flow_indr_dev_setup_offload(struct net_device *dev, struct Qdisc *sch,
 				enum tc_setup_type type, void *data,
 				struct flow_block_offload *bo,
 				void (*cleanup)(struct flow_block_cb *block_cb));
+bool flow_indr_dev_exists(void);
 
 #endif /* _NET_FLOW_OFFLOAD_H */

index 797147843958..3568b6a2f5f0 100644
@@ -92,7 +92,7 @@ int nft_flow_rule_offload_commit(struct net *net);
 	NFT_OFFLOAD_MATCH(__key, __base, __field, __len, __reg)		\
 	memset(&(__reg)->mask, 0xff, (__reg)->len);
 
-int nft_chain_offload_priority(struct nft_base_chain *basechain);
+bool nft_chain_offload_support(const struct nft_base_chain *basechain);
 
 int nft_offload_init(void);
 void nft_offload_exit(void);

index 73f68d4625f3..929f6379a279 100644
@@ -595,3 +595,9 @@ int flow_indr_dev_setup_offload(struct net_device *dev,	struct Qdisc *sch,
 	return (bo && list_empty(&bo->cb_list)) ? -EOPNOTSUPP : count;
 }
 EXPORT_SYMBOL(flow_indr_dev_setup_offload);
+
+bool flow_indr_dev_exists(void)
+{
+	return !list_empty(&flow_block_indr_dev_list);
+}
+EXPORT_SYMBOL(flow_indr_dev_exists);

index bce7da870bce..81243c834abb 100644
@@ -2166,7 +2166,7 @@ static int nft_basechain_init(struct nft_base_chain *basechain, u8 family,
 	chain->flags |= NFT_CHAIN_BASE | flags;
 	basechain->policy = NF_ACCEPT;
 	if (chain->flags & NFT_CHAIN_HW_OFFLOAD &&
-	    nft_chain_offload_priority(basechain) < 0)
+	    !nft_chain_offload_support(basechain))
 		return -EOPNOTSUPP;
 
 	flow_block_init(&basechain->flow_block);

index 2d36952b1392..910ef881c3b8 100644
@@ -208,7 +208,7 @@ static int nft_setup_cb_call(enum tc_setup_type type, void *type_data,
 	return 0;
 }
 
-int nft_chain_offload_priority(struct nft_base_chain *basechain)
+static int nft_chain_offload_priority(const struct nft_base_chain *basechain)
 {
 	if (basechain->ops.priority <= 0 ||
 	    basechain->ops.priority > USHRT_MAX)

@@ -217,6 +217,27 @@ int nft_chain_offload_priority(struct nft_base_chain *basechain)
 	return 0;
 }
 
+bool nft_chain_offload_support(const struct nft_base_chain *basechain)
+{
+	struct net_device *dev;
+	struct nft_hook *hook;
+
+	if (nft_chain_offload_priority(basechain) < 0)
+		return false;
+
+	list_for_each_entry(hook, &basechain->hook_list, list) {
+		if (hook->ops.pf != NFPROTO_NETDEV ||
+		    hook->ops.hooknum != NF_NETDEV_INGRESS)
+			return false;
+
+		dev = hook->ops.dev;
+		if (!dev->netdev_ops->ndo_setup_tc && !flow_indr_dev_exists())
+			return false;
+	}
+
+	return true;
+}
+
 static void nft_flow_cls_offload_setup(struct flow_cls_offload *cls_flow,
 				       const struct nft_base_chain *basechain,
 				       const struct nft_rule *rule,

index 22d7da749a24..fbb03562cb95 100644
@@ -2220,8 +2220,7 @@ static bool amt_advertisement_handler(struct amt_dev *amt, struct sk_buff *skb)
 	struct amt_header_advertisement *amta;
 	int hdr_size;
 
-	hdr_size = sizeof(*amta) - sizeof(struct amt_header);
-
+	hdr_size = sizeof(*amta) + sizeof(struct udphdr);
 	if (!pskb_may_pull(skb, hdr_size))
 		return true;
 

@@ -2251,19 +2250,27 @@ static bool amt_multicast_data_handler(struct amt_dev *amt, struct sk_buff *skb)
 	struct ethhdr *eth;
 	struct iphdr *iph;
 
+	hdr_size = sizeof(*amtmd) + sizeof(struct udphdr);
+	if (!pskb_may_pull(skb, hdr_size))
+		return true;
+
 	amtmd = (struct amt_header_mcast_data *)(udp_hdr(skb) + 1);
 	if (amtmd->reserved || amtmd->version)
 		return true;
 
-	hdr_size = sizeof(*amtmd) + sizeof(struct udphdr);
 	if (iptunnel_pull_header(skb, hdr_size, htons(ETH_P_IP), false))
 		return true;
+
 	skb_reset_network_header(skb);
 	skb_push(skb, sizeof(*eth));
 	skb_reset_mac_header(skb);
 	skb_pull(skb, sizeof(*eth));
 	eth = eth_hdr(skb);
+
+	if (!pskb_may_pull(skb, sizeof(*iph)))
+		return true;
 	iph = ip_hdr(skb);
+
 	if (iph->version == 4) {
 		if (!ipv4_is_multicast(iph->daddr))
 			return true;

@@ -2274,6 +2281,9 @@ static bool amt_multicast_data_handler(struct amt_dev *amt, struct sk_buff *skb)
 	} else if (iph->version == 6) {
 		struct ipv6hdr *ip6h;
 
+		if (!pskb_may_pull(skb, sizeof(*ip6h)))
+			return true;
+
 		ip6h = ipv6_hdr(skb);
 		if (!ipv6_addr_is_multicast(&ip6h->daddr))
 			return true;

@@ -2306,8 +2316,7 @@ static bool amt_membership_query_handler(struct amt_dev *amt,
 	struct iphdr *iph;
 	int hdr_size, len;
 
-	hdr_size = sizeof(*amtmq) - sizeof(struct amt_header);
-
+	hdr_size = sizeof(*amtmq) + sizeof(struct udphdr);
 	if (!pskb_may_pull(skb, hdr_size))
 		return true;
 

@@ -2315,22 +2324,27 @@ static bool amt_membership_query_handler(struct amt_dev *amt,
 	if (amtmq->reserved || amtmq->version)
 		return true;
 
-	hdr_size = sizeof(*amtmq) + sizeof(struct udphdr) - sizeof(*eth);
+	hdr_size -= sizeof(*eth);
 	if (iptunnel_pull_header(skb, hdr_size, htons(ETH_P_TEB), false))
 		return true;
+
 	oeth = eth_hdr(skb);
 	skb_reset_mac_header(skb);
 	skb_pull(skb, sizeof(*eth));
 	skb_reset_network_header(skb);
 	eth = eth_hdr(skb);
+	if (!pskb_may_pull(skb, sizeof(*iph)))
+		return true;
+
 	iph = ip_hdr(skb);
 	if (iph->version == 4) {
-		if (!ipv4_is_multicast(iph->daddr))
-			return true;
 		if (!pskb_may_pull(skb, sizeof(*iph) + AMT_IPHDR_OPTS +
 				   sizeof(*ihv3)))
 			return true;
 
+		if (!ipv4_is_multicast(iph->daddr))
+			return true;
+
 		ihv3 = skb_pull(skb, sizeof(*iph) + AMT_IPHDR_OPTS);
 		skb_reset_transport_header(skb);
 		skb_push(skb, sizeof(*iph) + AMT_IPHDR_OPTS);

@@ -2345,15 +2359,17 @@ static bool amt_membership_query_handler(struct amt_dev *amt,
 		ip_eth_mc_map(iph->daddr, eth->h_dest);
 #if IS_ENABLED(CONFIG_IPV6)
 	} else if (iph->version == 6) {
-		struct ipv6hdr *ip6h = ipv6_hdr(skb);
 		struct mld2_query *mld2q;
+		struct ipv6hdr *ip6h;
 
-		if (!ipv6_addr_is_multicast(&ip6h->daddr))
-			return true;
 		if (!pskb_may_pull(skb, sizeof(*ip6h) + AMT_IP6HDR_OPTS +
 				   sizeof(*mld2q)))
 			return true;
 
+		ip6h = ipv6_hdr(skb);
+		if (!ipv6_addr_is_multicast(&ip6h->daddr))
+			return true;
+
 		mld2q = skb_pull(skb, sizeof(*ip6h) + AMT_IP6HDR_OPTS);
 		skb_reset_transport_header(skb);
 		skb_push(skb, sizeof(*ip6h) + AMT_IP6HDR_OPTS);

@@ -2389,23 +2405,23 @@ static bool amt_update_handler(struct amt_dev *amt, struct sk_buff *skb)
 {
 	struct amt_header_membership_update *amtmu;
 	struct amt_tunnel_list *tunnel;
-	struct udphdr *udph;
 	struct ethhdr *eth;
 	struct iphdr *iph;
-	int len;
+	int len, hdr_size;
 
 	iph = ip_hdr(skb);
-	udph = udp_hdr(skb);
 
-	if (__iptunnel_pull_header(skb, sizeof(*udph), skb->protocol,
-				   false, false))
+	hdr_size = sizeof(*amtmu) + sizeof(struct udphdr);
+	if (!pskb_may_pull(skb, hdr_size))
 		return true;
 
-	amtmu = (struct amt_header_membership_update *)skb->data;
+	amtmu = (struct amt_header_membership_update *)(udp_hdr(skb) + 1);
 	if (amtmu->reserved || amtmu->version)
 		return true;
 
-	skb_pull(skb, sizeof(*amtmu));
+	if (iptunnel_pull_header(skb, hdr_size, skb->protocol, false))
+		return true;
+
 	skb_reset_network_header(skb);
 
 	list_for_each_entry_rcu(tunnel, &amt->tunnel_list, list) {

@@ -2426,6 +2442,9 @@ static bool amt_update_handler(struct amt_dev *amt, struct sk_buff *skb)
 	return true;
 
 report:
+	if (!pskb_may_pull(skb, sizeof(*iph)))
+		return true;
+
 	iph = ip_hdr(skb);
 	if (iph->version == 4) {
 		if (ip_mc_check_igmp(skb)) {

index fbb03562cb95..2815db7ee2a3 100644
@@ -2698,7 +2698,8 @@ static int amt_rcv(struct sock *sk, struct sk_buff *skb)
 	amt = rcu_dereference_sk_user_data(sk);
 	if (!amt) {
 		err = true;
-		goto drop;
+		kfree_skb(skb);
+		goto out;
 	}
 
 	skb->dev = amt->dev;

index 2815db7ee2a3..14fe03dbd9b1 100644
@@ -51,6 +51,7 @@ static char *status_str[] = {
 };
 
 static char *type_str[] = {
+	"", /* Type 0 is not defined */
 	"AMT_MSG_DISCOVERY",
 	"AMT_MSG_ADVERTISEMENT",
 	"AMT_MSG_REQUEST",

index 086739e4f40a..9b83d5361699 100644
@@ -234,6 +234,7 @@ struct mii_bus *bcma_mdio_mii_register(struct bgmac *bgmac)
 	np = of_get_child_by_name(core->dev.of_node, "mdio");
 
 	err = of_mdiobus_register(mii_bus, np);
+	of_node_put(np);
 	if (err) {
 		dev_err(&core->dev, "Registration of mii bus failed\n");
 		goto err_free_bus;

index 34742c6e189e..f17c4c03db30 100644
@@ -261,7 +261,6 @@ int __init xen_xlate_map_ballooned_pages(xen_pfn_t **gfns, void **virt,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(xen_xlate_map_ballooned_pages);
 
 struct remap_pfn {
 	struct mm_struct *mm;

index 0b0be0898ac5..f6d8109e7edc 100644
@@ -1072,13 +1072,11 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat, &res);
 	if (ret) {
-		goto err_dvr_probe;
+		goto err_alloc_irq;
 	}
 
 	return 0;
 
-err_dvr_probe:
-	pci_free_irq_vectors(pdev);
 err_alloc_irq:
 	clk_disable_unprepare(plat->stmmac_clk);
 	clk_unregister_fixed_rate(plat->stmmac_clk);

index e71a312faa1e..4aed12e94221 100644
@@ -490,7 +490,7 @@ static int unix_dgram_peer_wake_me(struct sock *sk, struct sock *other)
 	 * -ECONNREFUSED. Otherwise, if we haven't queued any skbs
 	 * to other and its full, we will hang waiting for POLLOUT.
 	 */
-	if (unix_recvq_full(other) && !sock_flag(other, SOCK_DEAD))
+	if (unix_recvq_full_lockless(other) && !sock_flag(other, SOCK_DEAD))
 		return 1;
 
 	if (connected)

index 35f222aa66bf..913e593a3b45 100644
@@ -439,7 +439,7 @@ do {									\
 		       [ptr] "+m" (*_ptr),				\
 		       [old] "+a" (__old)				\
 		     : [new] ltype (__new)				\
-		     : "memory", "cc");					\
+		     : "memory");					\
 	if (unlikely(__err))						\
 		goto label;						\
 	if (unlikely(!success))						\

index fcc675aa1670..c779e604edac 100644
@@ -1261,6 +1261,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 			bpf_jit_binary_free(header);
 			prog->bpf_func = NULL;
 			prog->jited = 0;
+			prog->jited_len = 0;
 			goto out_off;
 		}
 		bpf_jit_binary_lock_ro(header);

index 12c15da55664..9284373222fa 100644
@@ -2069,8 +2069,10 @@ static int gswip_gphy_fw_list(struct gswip_priv *priv,
 	for_each_available_child_of_node(gphy_fw_list_np, gphy_fw_np) {
 		err = gswip_gphy_fw_probe(priv, &priv->gphy_fw[i],
 					  gphy_fw_np, i);
-		if (err)
+		if (err) {
+			of_node_put(gphy_fw_np);
 			goto remove_gphy;
+		}
 		i++;
 	}
 

index ed5038d98ef6..6400a827173c 100644
@@ -2110,7 +2110,7 @@ static int mlx4_en_get_module_eeprom(struct net_device *dev,
 			en_err(priv,
 			       "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
 			       i, offset, ee->len - i, ret);
-			return 0;
+			return ret;
 		}
 
 		i += ret;

index 3a9348030e20..d6bcdbfd0fc5 100644
@@ -373,7 +373,8 @@ u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, u32 max_entries)
 		goto out;
 	}
 
-	nb_pkts = xskq_cons_peek_desc_batch(xs->tx, pool, max_entries);
+	max_entries = xskq_cons_nb_entries(xs->tx, max_entries);
+	nb_pkts = xskq_cons_read_desc_batch(xs->tx, pool, max_entries);
 	if (!nb_pkts) {
 		xs->tx->queue_empty_descs++;
 		goto out;

@@ -389,7 +390,7 @@ u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, u32 max_entries)
 	if (!nb_pkts)
 		goto out;
 
-	xskq_cons_release_n(xs->tx, nb_pkts);
+	xskq_cons_release_n(xs->tx, max_entries);
 	__xskq_cons_release(xs->tx);
 	xs->sk.sk_write_space(&xs->sk);
 

index 801cda5d1938..64b43f31942f 100644
@@ -282,14 +282,6 @@ static inline bool xskq_cons_peek_desc(struct xsk_queue *q,
 	return xskq_cons_read_desc(q, desc, pool);
 }
 
-static inline u32 xskq_cons_peek_desc_batch(struct xsk_queue *q, struct xsk_buff_pool *pool,
-					    u32 max)
-{
-	u32 entries = xskq_cons_nb_entries(q, max);
-
-	return xskq_cons_read_desc_batch(q, pool, entries);
-}
-
 /* To improve performance in the xskq_cons_release functions, only update local state here.
  * Reflect this to global state when we get new entries from the ring in
  * xskq_cons_get_entries() and whenever Rx or Tx processing are completed in the NAPI loop.

index cb5f0a12333f..57a34e775da3 100644
@@ -1821,23 +1821,21 @@ static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 };
 
-static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p,
-				struct amdgpu_job *job)
+static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p)
 {
 	struct drm_gpu_scheduler **scheds;
 
 	/* The create msg must be in the first IB submitted */
-	if (atomic_read(&job->base.entity->fence_seq))
+	if (atomic_read(&p->entity->fence_seq))
 		return -EINVAL;
 
 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
 		[AMDGPU_RING_PRIO_DEFAULT].sched;
-	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
+	drm_sched_entity_modify_sched(p->entity, scheds, 1);
 	return 0;
 }
 
-static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
-			    uint64_t addr)
+static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 {
 	struct ttm_operation_ctx ctx = { false, false };
 	struct amdgpu_bo_va_mapping *map;

@@ -1908,7 +1906,7 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
 			continue;
 
-		r = vcn_v3_0_limit_sched(p, job);
+		r = vcn_v3_0_limit_sched(p);
 		if (r)
 			goto out;
 	}