batman,rcu: convert call_rcu(softif_neigh_free_rcu) to kfree_rcu

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

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Marek Lindner <lindner_marek@yahoo.de>
Cc: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Sven Eckelmann <sven@narfation.org>

1 files changed, 1 insertions, 9 deletions

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 824e1f6e50f2..04efe022c13b 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -76,18 +76,10 @@ int my_skb_head_push(struct sk_buff *skb, unsigned int len)
         return 0;
 }
 
-static void softif_neigh_free_rcu(struct rcu_head *rcu)
-{
-        struct softif_neigh *softif_neigh;
-
-        softif_neigh = container_of(rcu, struct softif_neigh, rcu);
-        kfree(softif_neigh);
-}
-
 static void softif_neigh_free_ref(struct softif_neigh *softif_neigh)
 {
         if (atomic_dec_and_test(&softif_neigh->refcount))
-                call_rcu(&softif_neigh->rcu, softif_neigh_free_rcu);
+                kfree_rcu(softif_neigh, rcu);
 }
 
 void softif_neigh_purge(struct bat_priv *bat_priv)