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bridge: Fix skb leak when multicast parsing fails on TX

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On the bridge TX path we're leaking an skb when br_multicast_rcv
returns an error.

Reported-by: David Lamparter <equinox@diac24.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2010-07-29 01:12:31 +00:00 committed by David S. Miller
parent a3bdb549e3
commit 6d1d1d398c
1 changed files with 3 additions and 1 deletions
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4
net/bridge/br_device.c
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@ -48,8 +48,10 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
rcu_read_lock();
if (is_multicast_ether_addr(dest)) {
if (br_multicast_rcv(br, NULL, skb))
if (br_multicast_rcv(br, NULL, skb)) {
kfree_skb(skb);
goto out;
}
mdst = br_mdb_get(br, skb);
if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))