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Code

netfilter: h323: Use mod_timer instead of set_expect_timeout

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Simplify the code without any side effect. The set_expect_timeout is
used to modify the timer expired time.  It tries to delete timer, and
add it again.  So we could use mod_timer directly.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao Feng 2016-07-22 12:59:15 +08:00 committed by Pablo Neira Ayuso
parent 857ed310c0
commit 96d1327ac2
1 changed files with 1 additions and 14 deletions
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15
net/netfilter/nf_conntrack_h323_main.c
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@ -1272,19 +1272,6 @@ static struct nf_conntrack_expect *find_expect(struct nf_conn *ct,
return NULL; return NULL;
} }
/****************************************************************************/
static int set_expect_timeout(struct nf_conntrack_expect *exp,
unsigned int timeout)
{
if (!exp || !del_timer(&exp->timeout))
return 0;
exp->timeout.expires = jiffies + timeout * HZ;
add_timer(&exp->timeout);
return 1;
}
/****************************************************************************/ /****************************************************************************/
static int expect_q931(struct sk_buff *skb, struct nf_conn *ct, static int expect_q931(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo, enum ip_conntrack_info ctinfo,
@ -1486,7 +1473,7 @@ static int process_rcf(struct sk_buff *skb, struct nf_conn *ct,
"timeout to %u seconds for", "timeout to %u seconds for",
info->timeout); info->timeout);
nf_ct_dump_tuple(&exp->tuple); nf_ct_dump_tuple(&exp->tuple);
set_expect_timeout(exp, info->timeout); mod_timer(&exp->timeout, jiffies + info->timeout * HZ);
} }
spin_unlock_bh(&nf_conntrack_expect_lock); spin_unlock_bh(&nf_conntrack_expect_lock);
} }