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bridge: Fix OOM crash in deliver_clone

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The bridge multicast patches introduced an OOM crash in the forward
path, when deliver_clone fails to clone the skb.

Reported-by: Mark Wagner <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Herbert Xu 2010-06-15 21:43:07 -07:00 • committed by David S. Miller
commit fed396a585
1 changed files with 2 additions and 2 deletions
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4
net/bridge/br_forward.c
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@ -140,10 +140,10 @@ static int deliver_clone(const struct net_bridge_port *prev,
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;
}