linux-kernel - Re: [PATCH] lis3: Add axes module parameter for custom axis-mapping

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Message-ID: <4C868FC0.3040602@tremplin-utc.net>
Date:	Tue, 07 Sep 2010 21:17:20 +0200
From:	Éric Piel <Eric.Piel@...mplin-utc.net>
To:	Takashi Iwai <tiwai@...e.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Jean Delvare <khali@...ux-fr.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lis3: Add axes module parameter for custom axis-mapping

Op 07-09-10 18:10, Takashi Iwai schreef:
> At Tue, 07 Sep 2010 17:54:58 +0200,
:
>>>  
>>> +module_param_array_named(axes, lis3_dev.axis_map, int, NULL, 0644);
>>> +MODULE_PARM_DESC(axes, "Axis-mapping for x,y,z directions");
>> But now there is no check at all about the value being between 1 and 3,
>> is there?
>> I think it's still necessary to have a small function which checks for
>> correct values, otherwise the user could read a bit anywhere in the memory.
> 
> Ah, right, it's accessing the array index.  This must be fixed indeed.
> Another revised version below.
> 
It seems to be the same patch as the previous version. You probably
attached the wrong patch.

Cheers,
Eric
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