linux-kernel - Re: [PATCH] arch/sh: Replace an explicit computation by the use of the container

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Message-ID: <20091209034453.GB28280@linux-sh.org>
Date:	Wed, 9 Dec 2009 12:44:54 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Nicolas Palix <npalix@...u.dk>
Cc:	kernel-janitors@...r.kernel.org,
	Stuart Menefy <stuart.menefy@...com>, linux-sh@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arch/sh: Replace an explicit computation by the use of the container_of macro

On Mon, Dec 07, 2009 at 10:46:26AM +0100, Nicolas Palix wrote:
> From 945e75c0e3202ab4cd0b8f185ea4be5609806edb Mon Sep 17 00:00:00 2001
> From: Nicolas Palix <npalix@...u.dk>
> Date: Mon, 7 Dec 2009 10:38:55 +0100
> 
> The macro container_of from kernel.h performs the same
> pointer arithmetic operation.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> type T;
> expression mptr;
> expression member;
> @@
> 
> - (void *)((char *)mptr - offsetof(T, member))
> + container_of(mptr, T, member)
> // </smpl>
> 
> Signed-off-by: Nicolas Palix <npalix@...u.dk>

Applied, thanks.
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