Merge tag 'v5.4.106' into 5.4-2.3.x-imx

This is the 5.4.106 stable release

Following conflicts were resolved during merge:
----
- drivers/net/can/flexcan.c:
Merge NXP commit c2aba4909dc1c ("MLK-23225-2 can: flexcan: initialize all
flexcan memory for ECC function") with upstream commit fd872e63b274e ("can:
flexcan: invoke flexcan_chip_freeze() to enter freeze mode").

- drivers/net/ethernet/freescale/enetc/enetc_pf.c:
Merge upstream commit a8ecf0b2d9547 ("net: enetc: initialize RFS/RSS memories
for unused ports too") with NXP commits 7a5abf6a724f9 ("enetc: Remove mdio bus
on PF probe error path") and 501d929c03cfa ("enetc: Use DT protocol information
to set up the ports")
----

Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>

7 files changed, 29 insertions, 10 deletions

diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h
index 0783b0c6d9e2..1ef071e5a55e 100644
--- a/include/linux/can/skb.h
+++ b/include/linux/can/skb.h
@@ -49,8 +49,12 @@ static inline void can_skb_reserve(struct sk_buff *skb)
 
 static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)
 {
-	if (sk) {
-		sock_hold(sk);
+	/* If the socket has already been closed by user space, the
+	 * refcount may already be 0 (and the socket will be freed
+	 * after the last TX skb has been freed). So only increase
+	 * socket refcount if the refcount is > 0.
+	 */
+	if (sk && refcount_inc_not_zero(&sk->sk_refcnt)) {
 		skb->destructor = sock_efree;
 		skb->sk = sk;
 	}
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index a132d875d351..3a1d899019af 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -167,7 +167,8 @@ static inline bool in_vfork(struct task_struct *tsk)
 	 * another oom-unkillable task does this it should blame itself.
 	 */
 	rcu_read_lock();
-	ret = tsk->vfork_done && tsk->real_parent->mm == tsk->mm;
+	ret = tsk->vfork_done &&
+			rcu_dereference(tsk->real_parent)->mm == tsk->mm;
 	rcu_read_unlock();
 
 	return ret;
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index f9a0c6189852..69998fc5ffe9 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -139,7 +139,7 @@ int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
 				   const struct cpumask *cpus);
 #else	/* CONFIG_SMP || CONFIG_HOTPLUG_CPU */
 
-static inline int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data,
+static __always_inline int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data,
 					  const struct cpumask *cpus)
 {
 	unsigned long flags;
@@ -150,14 +150,15 @@ static inline int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data,
 	return ret;
 }
 
-static inline int stop_machine(cpu_stop_fn_t fn, void *data,
-			       const struct cpumask *cpus)
+static __always_inline int
+stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus)
 {
 	return stop_machine_cpuslocked(fn, data, cpus);
 }
 
-static inline int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
-						 const struct cpumask *cpus)
+static __always_inline int
+stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
+			       const struct cpumask *cpus)
 {
 	return stop_machine(fn, data, cpus);
 }
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index e8a924eeea3d..6b5fcfa1e555 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -79,8 +79,13 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
 		if (gso_type && skb->network_header) {
 			struct flow_keys_basic keys;
 
-			if (!skb->protocol)
+			if (!skb->protocol) {
+				__be16 protocol = dev_parse_header_protocol(skb);
+
 				virtio_net_hdr_set_proto(skb, hdr);
+				if (protocol && protocol != skb->protocol)
+					return -EINVAL;
+			}
 retry:
 			if (!skb_flow_dissect_flow_keys_basic(NULL, skb, &keys,
 							      NULL, 0, 0, 0,
diff --git a/include/media/rc-map.h b/include/media/rc-map.h
index c2ef3906e1cd..a358c87a65de 100644
--- a/include/media/rc-map.h
+++ b/include/media/rc-map.h
@@ -126,6 +126,13 @@ struct rc_map_list {
 	struct rc_map map;
 };
 
+#ifdef CONFIG_MEDIA_CEC_RC
+/*
+ * rc_map_list from rc-cec.c
+ */
+extern struct rc_map_list cec_map;
+#endif
+
 /* Routines from rc-map.c */
 
 /**
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 51b6f50eabee..0deeff9b4496 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -69,6 +69,7 @@ int	transport_backend_register(const struct target_backend_ops *);
 void	target_backend_unregister(const struct target_backend_ops *);
 
 void	target_complete_cmd(struct se_cmd *, u8);
+void	target_set_cmd_data_length(struct se_cmd *, int);
 void	target_complete_cmd_with_length(struct se_cmd *, u8, int);
 
 void	transport_copy_sense_to_cmd(struct se_cmd *, unsigned char *);
diff --git a/include/uapi/linux/netfilter/nfnetlink_cthelper.h b/include/uapi/linux/netfilter/nfnetlink_cthelper.h
index a13137afc429..70af02092d16 100644
--- a/include/uapi/linux/netfilter/nfnetlink_cthelper.h
+++ b/include/uapi/linux/netfilter/nfnetlink_cthelper.h
@@ -5,7 +5,7 @@
 #define NFCT_HELPER_STATUS_DISABLED	0
 #define NFCT_HELPER_STATUS_ENABLED	1
 
-enum nfnl_acct_msg_types {
+enum nfnl_cthelper_msg_types {
 	NFNL_MSG_CTHELPER_NEW,
 	NFNL_MSG_CTHELPER_GET,
 	NFNL_MSG_CTHELPER_DEL,