tcp: fix ICMP-RTO war

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

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index e34013a78ef45ae96293b21acdd811c34b634a36..3451799e3dbf78253d70995d37697a1b546f143d 100644 (file)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -254,7 +254,7 @@ int ip_mc_output(struct sk_buff *skb)
         */
 
        if (rt->rt_flags&RTCF_MULTICAST) {
-               if ((!sk || inet_sk(sk)->mc_loop)
+               if (sk_mc_loop(sk)
 #ifdef CONFIG_IP_MROUTE
                /* Small optimization: do not loopback not local frames,
                   which returned after forwarding; they will be  dropped