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security,rcu: Convert call_rcu(whitelist_item_free) to kfree_rcu()

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

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: James Morris <jmorris@namei.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-15 18:07:57 +08:00 committed by Paul E. McKenney
parent b119cbab3a
commit 6034f7e603
1 changed files with 1 additions and 9 deletions
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10
security/device_cgroup.c
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@ -125,14 +125,6 @@ static int dev_whitelist_add(struct dev_cgroup *dev_cgroup,
return 0;
}
static void whitelist_item_free(struct rcu_head *rcu)
{
struct dev_whitelist_item *item;
item = container_of(rcu, struct dev_whitelist_item, rcu);
kfree(item);
}
/*
* called under devcgroup_mutex
*/
@ -155,7 +147,7 @@ remove:
walk->access &= ~wh->access;
if (!walk->access) {
list_del_rcu(&walk->list);
call_rcu(&walk->rcu, whitelist_item_free);
kfree_rcu(walk, rcu);
}
}
}