diff options
| -rw-r--r-- | net/ipv4/igmp.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 994648b..732cd07 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -922,13 +922,11 @@ int igmp_rcv(struct sk_buff *skb) struct in_device *in_dev = in_dev_get(skb->dev); int len = skb->len; - if (in_dev==NULL) { - kfree_skb(skb); - return 0; - } + if (in_dev == NULL) + goto drop; if (!pskb_may_pull(skb, sizeof(struct igmphdr))) - goto drop; + goto drop_ref; switch (skb->ip_summed) { case CHECKSUM_COMPLETE: @@ -938,7 +936,7 @@ int igmp_rcv(struct sk_buff *skb) case CHECKSUM_NONE: skb->csum = 0; if (__skb_checksum_complete(skb)) - goto drop; + goto drop_ref; } ih = igmp_hdr(skb); @@ -972,8 +970,9 @@ int igmp_rcv(struct sk_buff *skb) break; } -drop: +drop_ref: in_dev_put(in_dev); +drop: kfree_skb(skb); return 0; } |