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net,rcu: convert call_rcu(__nf_ct_ext_free_rcu) to kfree_rcu()

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The rcu callback __nf_ct_ext_free_rcu() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(__nf_ct_ext_free_rcu).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-18 12:07:09 +08:00 committed by Paul E. McKenney
parent 04d4dfed8e
commit 1f8d36a186
1 changed files with 1 additions and 7 deletions
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8
net/netfilter/nf_conntrack_extend.c
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@ -68,12 +68,6 @@ nf_ct_ext_create(struct nf_ct_ext **ext, enum nf_ct_ext_id id, gfp_t gfp)
return (void *)(*ext) + off;
}
static void __nf_ct_ext_free_rcu(struct rcu_head *head)
{
struct nf_ct_ext *ext = container_of(head, struct nf_ct_ext, rcu);
kfree(ext);
}
void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
{
struct nf_ct_ext *old, *new;
@ -114,7 +108,7 @@ void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
(void *)old + old->offset[i]);
rcu_read_unlock();
}
call_rcu(&old->rcu, __nf_ct_ext_free_rcu);
kfree_rcu(old, rcu);
ct->ext = new;
}