batman,rcu: convert call_rcu(gw_node_free_rcu) to kfree_rcu

The RCU callback gw_node_free_rcu() just calls kfree(), so we can use
kfree_rcu() instead of call_rcu().

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Marek Lindner <[email protected]>
Cc: Simon Wunderlich <[email protected]>
Acked-by: David S. Miller <[email protected]>
Reviewed-by: Josh Triplett <[email protected]>
Acked-by: Sven Eckelmann <[email protected]>

diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 3cc43558cf9cbb0958d55f4f6ed236f9c3873322..150b6ce23df38d124d6d8cdef9f0f6d904f8f45f 100644 (file)
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -28,18 +28,10 @@
 #include <linux/udp.h>
 #include <linux/if_vlan.h>
 
-static void gw_node_free_rcu(struct rcu_head *rcu)
-{
-       struct gw_node *gw_node;
-
-       gw_node = container_of(rcu, struct gw_node, rcu);
-       kfree(gw_node);
-}
-
 static void gw_node_free_ref(struct gw_node *gw_node)
 {
        if (atomic_dec_and_test(&gw_node->refcount))
-               call_rcu(&gw_node->rcu, gw_node_free_rcu);
+               kfree_rcu(gw_node, rcu);
 }
 
 void *gw_get_selected(struct bat_priv *bat_priv)