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Commit 6034f7e6 authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Paul E. McKenney
Browse files

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



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: default avatarLai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: default avatarJames Morris <jmorris@namei.org>
Reviewed-by: default avatarJosh Triplett <josh@joshtriplett.org>
parent b119cbab

security/device_cgroup.c

+1 −9
Original line number Original line Diff line number Diff line
@@ -125,14 +125,6 @@ static int dev_whitelist_add(struct dev_cgroup *dev_cgroup, 
	return 0;

	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

 * called under devcgroup_mutex

 */

 */
@@ -155,7 +147,7 @@ remove: 
		walk->access &= ~wh->access;

		walk->access &= ~wh->access;

		if (!walk->access) {

		if (!walk->access) {

			list_del_rcu(&walk->list);

			list_del_rcu(&walk->list);

			call_rcu(&walk->rcu, whitelist_item_free);

			kfree_rcu(walk, rcu);

		}

		}

	}

	}

}

}