diff options
| -rw-r--r-- | net/ipv4/route.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 738ff0a1a048..8ca3642f0d9b 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2149,12 +2149,13 @@ int ip_route_input_rcu(struct sk_buff *skb, __be32 daddr, __be32 saddr, int our = 0; int err = -EINVAL; - if (in_dev) - our = ip_check_mc_rcu(in_dev, daddr, saddr, - ip_hdr(skb)->protocol); + if (!in_dev) + return err; + our = ip_check_mc_rcu(in_dev, daddr, saddr, + ip_hdr(skb)->protocol); /* check l3 master if no match yet */ - if ((!in_dev || !our) && netif_is_l3_slave(dev)) { + if (!our && netif_is_l3_slave(dev)) { struct in_device *l3_in_dev; l3_in_dev = __in_dev_get_rcu(skb->dev); |