netdev - Re: [PATCH] netfilter: nf_conntrack

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Message-ID: <492AA287.6020002@trash.net>
Date:	Mon, 24 Nov 2008 13:48:07 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Wu Fengguang <fengguang.wu@...el.com>
CC:	Wang Chen <wangchen@...fujitsu.com>,
	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>
Subject: Re: [PATCH] netfilter: nf_conntrack_sctp: fix build warning

Wu Fengguang wrote:
> On Mon, Nov 24, 2008 at 02:23:16PM +0200, Patrick McHardy wrote:
>> +	/* Avoid bogus warning, gcc doesn't realize do_basic_checks()
>> +	 * guarantees that there is at least one SCTP chunk.
>> +	 */
>> +	if (unlikely(new_state == SCTP_CONNTRACK_MAX))
>> +		goto out;
>> +
> 
> If do_basic_checks() guarantees that, why not Initialize new_state to 0?

Good point. I've replaced the patch by this one:


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