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linux-sg2042
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ipv6-multicast: Fix memory leak in IPv6 multicast. 

If reg_vif_xmit cannot find a routing entry, be sure to
free the skb before returning the error.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Greear 2011-09-23 13:11:01 +00:00 committed by David S. Miller
parent fbe5818690
commit 67928c4041
1 changed files with 3 additions and 1 deletions
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4
net/ipv6/ip6mr.c
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@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
int err; int err;
err = ip6mr_fib_lookup(net, &fl6, &mrt); err = ip6mr_fib_lookup(net, &fl6, &mrt);
if (err < 0) if (err < 0) {
kfree_skb(skb);
return err; return err;
}
read_lock(&mrt_lock); read_lock(&mrt_lock);
dev->stats.tx_bytes += skb->len; dev->stats.tx_bytes += skb->len;