From fb1d598d482d9fd448ea68895751bdfb8f29ee8e Mon Sep 17 00:00:00 2001 From: WANG Cong Date: Wed, 15 Jan 2014 15:23:26 -0800 Subject: [PATCH] net_sched: act: use tcf_hash_release() in net/sched/act_police.c Cc: Jamal Hadi Salim Cc: David S. Miller Signed-off-by: Cong Wang Acked-by: Jamal Hadi Salim Signed-off-by: David S. Miller --- net/sched/act_police.c | 30 +++--------------------------- 1 file changed, 3 insertions(+), 27 deletions(-) diff --git a/net/sched/act_police.c b/net/sched/act_police.c index a719fdff575e..5ba467b6124a 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -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,