From: Wei Yongjun Date: Sun, 26 Aug 2012 18:20:45 +0000 (+0000) Subject: openvswitch: using kfree_rcu() to simplify the code X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=80f0fd8a7f18af78dd26bf94230e89c3ae82d4ba;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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. spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun Acked-by: Jesse Gross Signed-off-by: David S. Miller --- diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index b7f38b161909..c7bf2f26525a 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -427,19 +427,11 @@ void ovs_flow_deferred_free(struct sw_flow *flow) call_rcu(&flow->rcu, rcu_free_flow_callback); } -/* RCU callback used by ovs_flow_deferred_free_acts. */ -static void rcu_free_acts_callback(struct rcu_head *rcu) -{ - struct sw_flow_actions *sf_acts = container_of(rcu, - struct sw_flow_actions, rcu); - kfree(sf_acts); -} - /* Schedules 'sf_acts' to be freed after the next RCU grace period. * The caller must hold rcu_read_lock for this to be sensible. */ void ovs_flow_deferred_free_acts(struct sw_flow_actions *sf_acts) { - call_rcu(&sf_acts->rcu, rcu_free_acts_callback); + kfree_rcu(sf_acts, rcu); } static int parse_vlan(struct sk_buff *skb, struct sw_flow_key *key)