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bonding: don't validate arp if we don't have to

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Currently, we validate all the incoming arps if arp_validate not 0.
However, we don't have to validate backup slaves if arp_validate == active
and vice versa, so return early in bond_arp_rcv() in these cases.

It works correctly now because we verify arp_validate in slave_last_rx(),
however we're just doing useless work in bond_arp_rcv().

Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Veaceslav Falico 2013-06-24 11:49:31 +02:00 committed by David S. Miller
parent 0afee4e8b9
commit 2c14610210
1 changed files with 4 additions and 0 deletions
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4
drivers/net/bonding/bond_main.c
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@ -2634,6 +2634,10 @@ static int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond,
return RX_HANDLER_ANOTHER;
read_lock(&bond->lock);
if (!slave_do_arp_validate(bond, slave))
goto out_unlock;
alen = arp_hdr_len(bond->dev);
pr_debug("bond_arp_rcv: bond %s skb->dev %s\n",