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path: root/net/ipv4/xfrm4_output.c
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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)
dst = skb_dst(skb);
mtu = dst_mtu(dst);
if (skb->len > mtu) {
- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
+ if (skb->sk)
+ ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
+ inet_sk(skb->sk)->inet_dport, mtu);
+ else
+ icmp_send(skb, ICMP_DEST_UNREACH,
+ ICMP_FRAG_NEEDED, htonl(mtu));
ret = -EMSGSIZE;
}
out: