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authorHerbert Xu <herbert@gondor.apana.org.au>2010-07-29 01:12:31 +0000
committerDavid S. Miller <davem@davemloft.net>2010-07-30 23:36:57 -0700
commit6d1d1d398cb7db7a12c5d652d50f85355345234f (patch)
tree9075ad9f7889079f91b430e7cc404a7d9cee696a /net/bridge
parenta3bdb549e30e7a263f7a589747c40e9c50110315 (diff)
bridge: Fix skb leak when multicast parsing fails on TX
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>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_device.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 4cec8051164..f49bcd9d911 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -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))