AcoSail/kernel_optimize_test
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[ARP]: Move inet_addr_type call after simple error checks in arp_contructor.

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The neighbour entry will be destroyed in the case of error, so it is
pointless to perform constly routing table lookup in this case.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-01-14 22:56:01 -08:00 committed by David S. Miller
parent a308da1627
commit a79878f00d
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/arp.c
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@ -235,8 +235,6 @@ static int arp_constructor(struct neighbour *neigh)
struct in_device *in_dev;
struct neigh_parms *parms;
neigh->type = inet_addr_type(&init_net, addr);
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
if (in_dev == NULL) {
@ -244,6 +242,8 @@ static int arp_constructor(struct neighbour *neigh)
return -EINVAL;
}
neigh->type = inet_addr_type(&init_net, addr);
parms = in_dev->arp_parms;
__neigh_parms_put(neigh->parms);
neigh->parms = neigh_parms_clone(parms);