diff options
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/route.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 0a7403b9d572..1f79910fef55 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1417,8 +1417,12 @@ EXPORT_SYMBOL_GPL(ip6_update_pmtu); void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu) { - ip6_update_pmtu(skb, sock_net(sk), mtu, - sk->sk_bound_dev_if, sk->sk_mark, sk->sk_uid); + int oif = sk->sk_bound_dev_if; + + if (!oif && skb->dev) + oif = l3mdev_master_ifindex(skb->dev); + + ip6_update_pmtu(skb, sock_net(sk), mtu, oif, sk->sk_mark, sk->sk_uid); } EXPORT_SYMBOL_GPL(ip6_sk_update_pmtu); |