NET: pch, fix use after free

Stanse found that pch_gbe_xmit_frame uses skb after it is freed. Fix
that.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Masayuki Ohtake <masa-korg@dsn.okisemi.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Slaby 2010-10-10 23:26:56 +00:00 committed by David S. Miller
parent 34d101dd62
commit 419c20465d

View file

@ -1847,9 +1847,9 @@ static int pch_gbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
unsigned long flags;
if (unlikely(skb->len > (adapter->hw.mac.max_frame_size - 4))) {
dev_kfree_skb_any(skb);
pr_err("Transfer length Error: skb len: %d > max: %d\n",
skb->len, adapter->hw.mac.max_frame_size);
dev_kfree_skb_any(skb);
adapter->stats.tx_length_errors++;
return NETDEV_TX_OK;
}