diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-02 10:33:48 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-02 10:33:48 -0400 |
| commit | bee3f412d6fc94011850f16cddce745d529411a5 (patch) | |
| tree | 01b1823a3bc0cb760129ed15f7ec027a36edc48b /net/ipv6/ip6_vti.c | |
| parent | d597580d373774b1bdab84b3d26ff0b55162b916 (diff) | |
| parent | 476e75a44b56038bee9207242d4bc718f6b4de06 (diff) | |
Merge branch 'parisc-4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux into uaccess.parisc
Diffstat (limited to 'net/ipv6/ip6_vti.c')
| -rw-r--r-- | net/ipv6/ip6_vti.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 644ba59fbd9d..3d8a3b63b4fd 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -485,11 +485,15 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) if (!skb->ignore_df && skb->len > mtu) { skb_dst(skb)->ops->update_pmtu(dst, NULL, skb, mtu); - if (skb->protocol == htons(ETH_P_IPV6)) + if (skb->protocol == htons(ETH_P_IPV6)) { + if (mtu < IPV6_MIN_MTU) + mtu = IPV6_MIN_MTU; + icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); - else + } else { icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); + } return -EMSGSIZE; } |