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neigh: no need to call lookup_neigh_parms in neigh_parms_alloc 

neigh_table.parms always exist and is initialized,kmemdup
can use it to create new neigh_parms, actually lookup_neigh_parms
here will return neigh_table.parms too.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gao feng 2013-06-20 10:01:32 +08:00 committed by syphyr
parent 86fd7540bd
commit ffbd1584af
1 changed files with 2 additions and 6 deletions
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8
net/core/neighbour.c
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@ -1453,15 +1453,11 @@ static inline struct neigh_parms *lookup_neigh_parms(struct neigh_table *tbl,
struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
struct neigh_table *tbl)
{
struct neigh_parms *p, *ref;
struct neigh_parms *p;
struct net *net = dev_net(dev);
const struct net_device_ops *ops = dev->netdev_ops;
ref = lookup_neigh_parms(tbl, net, 0);
if (!ref)
return NULL;
p = kmemdup(ref, sizeof(*p), GFP_KERNEL);
p = kmemdup(&tbl->parms, sizeof(*p), GFP_KERNEL);
if (p) {
p->tbl = tbl;
atomic_set(&p->refcnt, 1);