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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 <weiyongjun1@huawei.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2017-11-14 06:27:12 +00:00 committed by David S. Miller
parent 06c2351fde
commit 6dc14dc40a
1 changed files with 1 additions and 8 deletions
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net/openvswitch/meter.c
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@ -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,