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

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

1 files changed, 1 insertions, 6 deletions

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 0dcaa903e00e..4c27615340dc 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -332,14 +332,9 @@ static struct dn_ifaddr *dn_dev_alloc_ifa(void)
         return ifa;
 }
 
-static void dn_dev_free_ifa_rcu(struct rcu_head *head)
-{
-        kfree(container_of(head, struct dn_ifaddr, rcu));
-}
-
 static void dn_dev_free_ifa(struct dn_ifaddr *ifa)
 {
-        call_rcu(&ifa->rcu, dn_dev_free_ifa_rcu);
+        kfree_rcu(ifa, rcu);
 }
 
 static void dn_dev_del_ifa(struct dn_dev *dn_db, struct dn_ifaddr __rcu **ifap, int destroy)