bridge: Fix OOM crash in deliver_clone
The bridge multicast patches introduced an OOM crash in the forward
path, when deliver_clone fails to clone the skb.
Reported-by: Mark Wagner <mwagner@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index a98ef13..a4e72a8 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -140,10 +140,10 @@
void (*__packet_hook)(const struct net_bridge_port *p,
struct sk_buff *skb))
{
+ struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;
+
skb = skb_clone(skb, GFP_ATOMIC);
if (!skb) {
- struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;
-
dev->stats.tx_dropped++;
return -ENOMEM;
}