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net_sched: act: refactor cleanup ops

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For bindcnt and refcnt etc., they are common for all actions,
not need to repeat such operations for their own, they can be unified
now. Actions just need to do its specific cleanup if needed.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong
2014-02-11 17:07:32 -08:00
committed by David S. Miller
parent 86062033fe
commit a5b5c958ff
11 changed files with 22 additions and 64 deletions
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17
net/sched/act_simple.c
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@@ -47,21 +47,10 @@ static int tcf_simp(struct sk_buff *skb, const struct tc_action *a,
return d->tcf_action;
}
static int tcf_simp_release(struct tc_action *a, int bind)
static void tcf_simp_release(struct tc_action *a, int bind)
{
struct tcf_defact *d = to_defact(a);
int ret = 0;
if (d) {
if (bind)
d->tcf_bindcnt--;
d->tcf_refcnt--;
if (d->tcf_bindcnt <= 0 && d->tcf_refcnt <= 0) {
kfree(d->tcfd_defdata);
tcf_hash_destroy(a);
ret = 1;
}
}
return ret;
kfree(d->tcfd_defdata);
}
static int alloc_defdata(struct tcf_defact *d, char *defdata)
@@ -132,7 +121,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
if (bind)
return 0;
tcf_simp_release(a, bind);
tcf_hash_release(a, bind);
if (!ovr)
return -EEXIST;