linux-kernel - Re: [PATCH] staging: speakup: fix misuse of kstrtol() in handle

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Message-ID: <20140409113904.GE4912@mwanda>
Date:	Wed, 9 Apr 2014 14:39:04 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Daeseok Youn <daeseok.youn@...il.com>
Cc:	gregkh@...uxfoundation.org, sachin.kamat@...aro.org,
	devel@...verdev.osuosl.org, grygorii.strashko@...com,
	lisa@...apiadmin.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: speakup: fix misuse of kstrtol() in
 handle_goto()

On Wed, Apr 09, 2014 at 07:45:46PM +0900, Daeseok Youn wrote:
> 
> A string of goto_buf has a number followed by x or y.
> e.g. "3x" means move 3 lines down.
> The kstrtol() returns an error(-EINVAL) with this string so
> go_pos has unsigned a value of that error.
> And also "*cp" has not expected value.
> 

Good catch.  This was introduced when we changed the simple_strtoul() to
kstrtol().

Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>

Did you find this bug by testing or through reading the code?

regards,
dan carpenter

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