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Diffstat (limited to 'net/ipv4/xfrm4_output.c')
-rw-r--r--net/ipv4/xfrm4_output.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 2d51840e53a1..327a617d594c 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -32,7 +32,12 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
32 dst = skb_dst(skb); 32 dst = skb_dst(skb);
33 mtu = dst_mtu(dst); 33 mtu = dst_mtu(dst);
34 if (skb->len > mtu) { 34 if (skb->len > mtu) {
35 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); 35 if (skb->sk)
36 ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
37 inet_sk(skb->sk)->inet_dport, mtu);
38 else
39 icmp_send(skb, ICMP_DEST_UNREACH,
40 ICMP_FRAG_NEEDED, htonl(mtu));
36 ret = -EMSGSIZE; 41 ret = -EMSGSIZE;
37 } 42 }
38out: 43out: