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

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Message-ID: <1351501746.8221.12.camel@cr0>
Date:	Mon, 29 Oct 2012 17:09:06 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] ipv4: avoid a test in ip_rt_put()

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>

Thanks!

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