diff options
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index e27b8fdba5d2..6e0bb77fdc9f 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -587,6 +587,10 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, u8 *prevhdr, nexthdr = 0; hlen = ip6_find_1stfragopt(skb, &prevhdr); + if (hlen < 0) { + err = hlen; + goto fail; + } nexthdr = *prevhdr; mtu = ip6_skb_dst_mtu(skb); |