diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_multicast.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 12ce1eaa4f3e..fd96a8dc97f4 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -823,6 +823,7 @@ static int br_multicast_query(struct net_bridge *br, unsigned long max_delay; unsigned long now = jiffies; __be32 group; + int err = 0; spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || @@ -841,12 +842,14 @@ static int br_multicast_query(struct net_bridge *br, group = 0; } } else { - if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) - return -EINVAL; + if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) { + err = -EINVAL; + goto out; + } ih3 = igmpv3_query_hdr(skb); if (ih3->nsrcs) - return 0; + goto out; max_delay = ih3->code ? 1 : IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE); @@ -876,7 +879,7 @@ static int br_multicast_query(struct net_bridge *br, out: spin_unlock(&br->multicast_lock); - return 0; + return err; } static void br_multicast_leave_group(struct net_bridge *br, |