openvswitch: Using kfree_rcu() to simplify the code

The callback function of call_rcu() just calls a kfree(), so we can use kfree_rcu() instead of call_rcu() + callback function. Signed-off-by: Wei Yongjun <[email protected]> Acked-by: Pravin B Shelar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ambv · Nov 14, 2017 · 6dc14dc · 6dc14dc
1 parent 06c2351
commit 6dc14dc
Showing 1 changed file with 1 addition and 8 deletions.
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
@@ -42,19 +42,12 @@ static const struct nla_policy band_policy[OVS_BAND_ATTR_MAX + 1] = {
 	[OVS_BAND_ATTR_STATS] = { .len = sizeof(struct ovs_flow_stats) },
 };
 
-static void rcu_free_ovs_meter_callback(struct rcu_head *rcu)
-{
-	struct dp_meter *meter = container_of(rcu, struct dp_meter, rcu);
-
-	kfree(meter);
-}
-
 static void ovs_meter_free(struct dp_meter *meter)
 {
 	if (!meter)
 		return;
 
-	call_rcu(&meter->rcu, rcu_free_ovs_meter_callback);
+	kfree_rcu(meter, rcu);
 }
 
 static struct hlist_head *meter_hash_bucket(const struct datapath *dp,