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authorGao feng <gaofeng@cn.fujitsu.com>2013-06-20 10:01:32 +0800
committerDavid S. Miller <davem@davemloft.net>2013-06-19 21:13:24 -0700
commitcf89d6b2803ab99ac596f95d585c3057d2be645c (patch)
tree7ec742e7250566bea08e6f06c31cb3d66fd1a794 /net/core/neighbour.c
parent75b2945988274078bccf4c0b84e90c77b4fcaf96 (diff)
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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>
Diffstat (limited to 'net/core/neighbour.c')
-rw-r--r--net/core/neighbour.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index decaa4b..53eab51 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1429,15 +1429,11 @@ 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);