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

The rcu callback tcf_common_free_rcu() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(tcf_common_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>

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 14b42f4ad791eaf9191adb67e2b6d62d994c4e84..a606025814a1a99650d0793c4f3db468b829aaca 100644 (file)
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -26,11 +26,6 @@
 #include <net/act_api.h>
 #include <net/netlink.h>
 
-static void tcf_common_free_rcu(struct rcu_head *head)
-{
-       kfree(container_of(head, struct tcf_common, tcfc_rcu));
-}
-
 void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
 {
        unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
@@ -47,7 +42,7 @@ void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
                         * gen_estimator est_timer() might access p->tcfc_lock
                         * or bstats, wait a RCU grace period before freeing p
                         */
-                       call_rcu(&p->tcfc_rcu, tcf_common_free_rcu);
+                       kfree_rcu(p, tcfc_rcu);
                        return;
                }
        }