Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux...

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 9c7d7621466b1241f404a5ca11de809dcff2d02a..147be202429064d03b34405dba575c8d002b267c 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -598,7 +598,10 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
        if (th->rst)
                return;
 
-       if (skb_rtable(skb)->rt_type != RTN_LOCAL)
+       /* If sk not NULL, it means we did a successful lookup and incoming
+        * route had to be correct. prequeue might have dropped our dst.
+        */
+       if (!sk && skb_rtable(skb)->rt_type != RTN_LOCAL)
                return;
 
        /* Swap the send and the receive. */