1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 65f9c379df3..75d5ef83009 100644
--- 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)),