[PATCH tip/core/rcu 4/7] batman,rcu: convert call_rcu(neigh_node_free_rcu) to kfree()

[Paul E. McKenney]

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

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Marek Lindner <lindner_marek@xxxxxxxx>
Cc: Simon Wunderlich <siwu@xxxxxxxxxxxxxxxxxx>
Cc: Sven Eckelmann <sven@xxxxxxxxxxxxx>
---
 net/batman-adv/originator.c |   10 +---------
 1 files changed, 1 insertions(+), 9 deletions(-)

diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 0b91330..ed23a589 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -56,18 +56,10 @@ err:
 	return 0;
 }
 
-static void neigh_node_free_rcu(struct rcu_head *rcu)
-{
-	struct neigh_node *neigh_node;
-
-	neigh_node = container_of(rcu, struct neigh_node, rcu);
-	kfree(neigh_node);
-}
-
 void neigh_node_free_ref(struct neigh_node *neigh_node)
 {
 	if (atomic_dec_and_test(&neigh_node->refcount))
-		call_rcu(&neigh_node->rcu, neigh_node_free_rcu);
+		kfree_rcu(neigh_node, rcu);
 }
 
 struct neigh_node *create_neighbor(struct orig_node *orig_node,
-- 
1.7.3.2

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