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From: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
To: netfilter-devel@lists.netfilter.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 2.6.20 14/14] nfnetlink_log: micro-optimization: inst->skb != NULL in __nfulnl_send()
Date: Mon, 12 Feb 2007 21:23:19 +0100 [thread overview]
Message-ID: <20070212202319.GE28704@rere.qmqm.pl> (raw)
In-Reply-To: <20070212202052.GA28704@rere.qmqm.pl>
No other function calls __nfulnl_send() with inst->skb == NULL than nfulnl_timer().
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
--- linux-2.6.20/net/netfilter/nfnetlink_log.c.12 2007-02-12 17:58:01.000000000 +0100
+++ linux-2.6.20/net/netfilter/nfnetlink_log.c 2007-02-12 17:58:56.000000000 +0100
@@ -375,9 +375,6 @@ __nfulnl_send(struct nfulnl_instance *in
{
int status;
- if (!inst->skb)
- return 0;
-
if (inst->qlen > 1)
inst->lastnlh->nlmsg_type = NLMSG_DONE;
@@ -403,7 +400,8 @@ static void nfulnl_timer(unsigned long d
spin_lock_bh(&inst->lock);
if (timer_pending(&inst->timer)) /* is it always true or false here? */
del_timer(&inst->timer);
- __nfulnl_send(inst);
+ if (inst->skb)
+ __nfulnl_send(inst);
spin_unlock_bh(&inst->lock);
instance_put(inst);
}
next prev parent reply other threads:[~2007-02-12 20:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-12 0:37 [PATCH 2.6.20 00/10] nfnetlink_log: patch series introduction Michał Mirosław
2007-02-12 20:20 ` [PATCH 2.6.20 +0/14] nfnetlink_log: patch series season 2 Michał Mirosław
2007-02-12 20:22 ` [PATCH 2.6.20 11/14] nfnetlink_log: iterator functions need iter_state * only Michał Mirosław
2007-02-13 12:51 ` Patrick McHardy
2007-02-12 20:22 ` [PATCH 2.6.20 12/14] nfnetlink_log: possible NULL pointer dereference in nfulnl_recv_config() Michał Mirosław
2007-02-13 12:55 ` Patrick McHardy
2007-02-12 20:22 ` [PATCH 2.6.20 13/14] nfnetlink_log: fix reference counting Michał Mirosław
2007-02-13 12:58 ` Patrick McHardy
2007-02-14 11:38 ` Michał Mirosław
2007-02-12 20:23 ` Michał Mirosław [this message]
2007-02-14 11:57 ` [PATCH 2.6.20 14/14] nfnetlink_log: micro-optimization: inst->skb != NULL in __nfulnl_send() Michał Mirosław
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