linux-kernel - Re: [PATCH 10/16] drivers/net/wireless/wl12xx: Use available error codes

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Message-ID: <1282023741.1773.9.camel@powerslave>
Date:	Tue, 17 Aug 2010 08:42:21 +0300
From:	Luciano Coelho <luciano.coelho@...ia.com>
To:	ext Julia Lawall <julia@...u.dk>
Cc:	"John W. Linville" <linville@...driver.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH 10/16] drivers/net/wireless/wl12xx: Use available error
 codes

On Mon, 2010-08-16 at 18:27 +0200, ext Julia Lawall wrote:
> From: Julia Lawall <julia@...u.dk>
> 
> Error codes are stored in ret, but the return value is always 0.  Return
> ret instead.
> 
> The semantic match that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @r@
> local idexpression x;
> constant C;
> @@
> 
> if (...) { ...
>   x = -C
>   ... when != x
> (
>   return <+...x...+>;
> |
>   return NULL;
> |
>   return;
> |
> * return ...;
> )
> }
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>
> 
> ---


This was indeed a bug.  Thanks!

Acked-by: Luciano Coelho <luciano.coelho@...ia.com>

-- 
Cheers,
Luca.

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