netdev - Re: [PATCH net-next] ipv4: avoid a test in ip_rt

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Message-Id: <20121103.150008.1620360914018927907.davem@davemloft.net>
Date:	Sat, 03 Nov 2012 15:00:08 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	amwang@...hat.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ipv4: avoid a test in ip_rt_put()

From: Cong Wang <amwang@...hat.com>
Date: Mon, 29 Oct 2012 17:09:06 +0800

> On Mon, 2012-10-29 at 09:33 +0100, Eric Dumazet wrote:
>> From: Eric Dumazet <edumazet@...gle.com>
>> 
>> We can save a test in ip_rt_put(), considering dst_release() accepts
>> a NULL parameter, and dst is first element in rtable.
>> 
>> Add a BUILD_BUG_ON() to catch any change that could break this
>> assertion.
>> 
>> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>> Cc: Cong Wang <amwang@...hat.com>
> 
> Acked-by: Cong Wang <amwang@...hat.com>

Applied.
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