linux-kernel - Re: [PATCH 4/4] drivers/leds/leds-pca9532.c: delete useless initialization

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Date:	Sat, 6 Aug 2011 00:37:40 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Julia Lawall <julia@...u.dk>
Cc:	Riku Voipio <riku.voipio@....fi>, kernel-janitors@...r.kernel.org,
	Richard Purdie <rpurdie@...ys.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] drivers/leds/leds-pca9532.c: delete useless
 initialization

On Thu, Aug 04, 2011 at 12:29:34PM +0200, Julia Lawall wrote:
> From: Julia Lawall <julia@...u.dk>
> 
> Delete nontrivial initialization that is immediately overwritten by the
> result of an allocation function.
> 
> The semantic match that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> type T;
> identifier i;
> expression e;
> @@
> 
> (
> T i = \(0\|NULL\|ERR_PTR(...)\);
> |
> -T i = e;
> +T i;
> )
> ... when != i
> i = \(kzalloc\|kcalloc\|kmalloc\)(...);
> 
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>

Acked-by: Wolfram Sang <w.sang@...gutronix.de>

BTW LED patches seem to go via akpm these days...

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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