Re: [PATCH 2/3] iio: mxs-lradc: fix invalid channel number detection

From: Alexandre Belloni
Date: Mon Jan 13 2014 - 18:43:26 EST


On 13/01/2014 21:25, Marek Vasut wrote:
> On Monday, January 13, 2014 at 05:02:02 PM, Alexandre Belloni wrote:
>> 16 would be accepted as a channel number but it is invalid. It doesn't
>> really have any effect as mxs_lradc_read_raw is called from a "controlled"
>> environment so it it only gets values going from 0 to 15.
>>
>> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
>
> Why don't you remove the check entirely then ?
>

I'm not quite sure the inkernel API is sanitizing the input correctly
but maybe I didn't check enough. Maybe Jonathan can comment ?

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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