linux-kernel - Re: [PATCH] staging: crystalhd: fix signed bug

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Date:	Tue, 28 Sep 2010 15:01:26 -0400
From:	Jarod Wilson <jarod@...hat.com>
To:	Vasiliy Kulikov <segooon@...il.com>
Cc:	kernel-janitors@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Manu Abraham <abraham.manu@...il.com>,
	Scott Davilla <davilla@....com>,
	Lars Lindley <lindley@...ote.org>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: crystalhd: fix signed bug

On Sun, Sep 12, 2010 at 10:56:51PM +0400, Vasiliy Kulikov wrote:
> chd_dec_major is unsigned, so check chd_dec_major < 0 doesn't make sense.
> Since it is used as signed, declare it as int.
> 
> Signed-off-by: Vasiliy Kulikov <segooon@...il.com>

Indeed, Bad Things here when we try to store the ret from register_chrdev
in an unsigned int and test it for < 0...

Acked-by: Jarod Wilson <jarod@...hat.com>

-- 
Jarod Wilson
jarod@...hat.com

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