ipv6: allow to send packet after receiving ICMPv6 Too Big message with MTU field...

[net-next-2.6.git] / net / ipv6 / ip6_output.c

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 65f9c379df386c6de0f70173889038f4a7d17909..75d5ef830097fc99cbd7e0ccd36452ff45a6f806 100644 (file)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -629,7 +629,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
        /* We must not fragment if the socket is set to force MTU discovery
         * or if the skb it not generated by a local socket.
         */
-       if (!skb->local_df) {
+       if (!skb->local_df && skb->len > mtu) {
                skb->dev = skb_dst(skb)->dev;
                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),