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>
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@ -104,20 +104,6 @@ nla_put_failure:
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goto done;
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}
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static void tcf_police_destroy(struct tcf_police *p)
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{
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spin_lock_bh(&police_hash_info.lock);
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hlist_del(&p->tcf_head);
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spin_unlock_bh(&police_hash_info.lock);
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gen_kill_estimator(&p->tcf_bstats,
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&p->tcf_rate_est);
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/*
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* gen_estimator est_timer() might access p->tcf_lock
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* or bstats, wait a RCU grace period before freeing p
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*/
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kfree_rcu(p, tcf_rcu);
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}
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static const struct nla_policy police_policy[TCA_POLICE_MAX + 1] = {
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[TCA_POLICE_RATE] = { .len = TC_RTAB_SIZE },
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[TCA_POLICE_PEAKRATE] = { .len = TC_RTAB_SIZE },
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@ -272,19 +258,9 @@ failure:
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static int tcf_act_police_cleanup(struct tc_action *a, int bind)
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{
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struct tcf_police *p = a->priv;
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int ret = 0;
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if (p != NULL) {
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if (bind)
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p->tcf_bindcnt--;
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p->tcf_refcnt--;
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if (p->tcf_refcnt <= 0 && !p->tcf_bindcnt) {
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tcf_police_destroy(p);
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ret = 1;
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}
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}
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return ret;
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if (p)
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return tcf_hash_release(&p->common, bind, &police_hash_info);
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return 0;
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}
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static int tcf_act_police(struct sk_buff *skb, const struct tc_action *a,
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