Merge tag 'v4.4.15' into linux-linaro-lsk-v4.4

 This is the 4.4.15 stable release

4 files changed, 19 insertions, 1 deletions

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 67bc2da5d233..4f6d29c8e3d8 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -198,6 +198,10 @@ static inline struct bpf_prog *bpf_prog_get(u32 ufd)
 static inline void bpf_prog_put(struct bpf_prog *prog)
 {
 }
+
+static inline void bpf_prog_put_rcu(struct bpf_prog *prog)
+{
+}
 #endif /* CONFIG_BPF_SYSCALL */
 
 /* verifier prototypes for helper functions called from eBPF programs */
diff --git a/include/linux/net.h b/include/linux/net.h
index 25ef630f1bd6..c00b8d182226 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -251,7 +251,8 @@ do {									\
 	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
 	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) &&	\
 	    net_ratelimit())						\
-		__dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__);	\
+		__dynamic_pr_debug(&descriptor, pr_fmt(fmt),		\
+		                   ##__VA_ARGS__);			\
 } while (0)
 #elif defined(DEBUG)
 #define net_dbg_ratelimited(fmt, ...)				\
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4fde61804191..1716f9395010 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2564,6 +2564,13 @@ static inline int skb_clone_writable(const struct sk_buff *skb, unsigned int len
 	       skb_headroom(skb) + len <= skb->hdr_len;
 }
 
+static inline int skb_try_make_writable(struct sk_buff *skb,
+					unsigned int write_len)
+{
+	return skb_cloned(skb) && !skb_clone_writable(skb, write_len) &&
+	       pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+}
+
 static inline int __skb_cow(struct sk_buff *skb, unsigned int headroom,
 			    int cloned)
 {
diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index fddebc617469..8ff34ed1ae8a 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -35,6 +35,9 @@ enum sknetlink_groups sock_diag_destroy_group(const struct sock *sk)
 {
 	switch (sk->sk_family) {
 	case AF_INET:
+		if (sk->sk_type == SOCK_RAW)
+			return SKNLGRP_NONE;
+
 		switch (sk->sk_protocol) {
 		case IPPROTO_TCP:
 			return SKNLGRP_INET_TCP_DESTROY;
@@ -44,6 +47,9 @@ enum sknetlink_groups sock_diag_destroy_group(const struct sock *sk)
 			return SKNLGRP_NONE;
 		}
 	case AF_INET6:
+		if (sk->sk_type == SOCK_RAW)
+			return SKNLGRP_NONE;
+
 		switch (sk->sk_protocol) {
 		case IPPROTO_TCP:
 			return SKNLGRP_INET6_TCP_DESTROY;