diff --git a/[refs] b/[refs]
index d7d9a6a4bb7b..589558c77d5f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 56fa9b16303b0a3bad88ff528c4d5ff54d8cdb47
+refs/heads/master: 22b4a4f22da4b39c6f7f679fd35f3d35c91bf851
diff --git a/trunk/net/ipv4/tcp_output.c b/trunk/net/ipv4/tcp_output.c
index 376b2cfbb685..7ac6423117ad 100644
--- a/trunk/net/ipv4/tcp_output.c
+++ b/trunk/net/ipv4/tcp_output.c
@@ -1096,6 +1096,7 @@ static void __pskb_trim_head(struct sk_buff *skb, int len)
 	eat = min_t(int, len, skb_headlen(skb));
 	if (eat) {
 		__skb_pull(skb, eat);
+		skb->avail_size -= eat;
 		len -= eat;
 		if (!len)
 			return;