xfrm: revert ipv4 mtu determination to dst_mtu

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / xfrm4_output.c

diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 80baf4a3b1b5cae54aa4827fe33ab733c12ed171..baa0f63731fdff4edf1790884869023730c9c946 100644 (file)
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -28,7 +28,7 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
        if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->local_df)
                goto out;
 
-       mtu = xfrm_skb_dst_mtu(skb);
+       mtu = dst_mtu(skb_dst(skb));
        if (skb->len > mtu) {
                if (skb->sk)
                        xfrm_local_error(skb, mtu);