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net_sched: act: use tcf_hash_release() in net/sched/act_police.c 

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
WANG Cong 2014-01-15 15:23:26 -08:00 committed by David S. Miller
parent 0aebd2d9ab
commit fb1d598d48
1 changed files with 3 additions and 27 deletions
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30
net/sched/act_police.c
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@ -104,20 +104,6 @@ nla_put_failure:
goto done;
}
static void tcf_police_destroy(struct tcf_police *p)
{
spin_lock_bh(&police_hash_info.lock);
hlist_del(&p->tcf_head);
spin_unlock_bh(&police_hash_info.lock);
gen_kill_estimator(&p->tcf_bstats,
&p->tcf_rate_est);
/*
* gen_estimator est_timer() might access p->tcf_lock
* or bstats, wait a RCU grace period before freeing p
*/
kfree_rcu(p, tcf_rcu);
}
static const struct nla_policy police_policy[TCA_POLICE_MAX + 1] = {
[TCA_POLICE_RATE] = { .len = TC_RTAB_SIZE },
[TCA_POLICE_PEAKRATE] = { .len = TC_RTAB_SIZE },
@ -272,19 +258,9 @@ failure:
static int tcf_act_police_cleanup(struct tc_action *a, int bind)
{
struct tcf_police *p = a->priv;
int ret = 0;
if (p != NULL) {
if (bind)
p->tcf_bindcnt--;
p->tcf_refcnt--;
if (p->tcf_refcnt <= 0 && !p->tcf_bindcnt) {
tcf_police_destroy(p);
ret = 1;
}
}
return ret;
if (p)
return tcf_hash_release(&p->common, bind, &police_hash_info);
return 0;
}
static int tcf_act_police(struct sk_buff *skb, const struct tc_action *a,