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[VLAN]: Kill useless check

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vlan->real_dev is always equal to the device since thats what we used
for the lookup. It doesn't even seem worth a WARN_ON or BUG_ON.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2008-01-21 00:22:30 -08:00 committed by David S. Miller
parent ef3eb3e59b
commit 62f99efce6
1 changed files with 0 additions and 18 deletions
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18
net/8021q/vlan_dev.c
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@ -181,24 +181,6 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
/* Take off the VLAN header (4 bytes currently) */
skb_pull_rcsum(skb, VLAN_HLEN);
/* Ok, lets check to make sure the device (dev) we
* came in on is what this VLAN is attached to.
*/
if (dev != VLAN_DEV_INFO(skb->dev)->real_dev) {
rcu_read_unlock();
#ifdef VLAN_DEBUG
printk(VLAN_DBG "%s: dropping skb: %p because came in on wrong device, dev: %s real_dev: %s, skb_dev: %s\n",
__FUNCTION__, skb, dev->name,
VLAN_DEV_INFO(skb->dev)->real_dev->name,
skb->dev->name);
#endif
kfree_skb(skb);
stats->rx_errors++;
return -1;
}
/*
* Deal with ingress priority mapping.
*/