From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Marek Vasut <marex@denx.de>
Cc: Jonathan Cameron <jic23@kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] iio: mxs-lradc: fix invalid channel number detection
Date: Tue, 14 Jan 2014 00:43:14 +0100 [thread overview]
Message-ID: <52D47A12.7000807@free-electrons.com> (raw)
In-Reply-To: <201401132125.37243.marex@denx.de>
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@free-electrons.com>
>
> 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
next prev parent reply other threads:[~2014-01-13 23:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-13 16:02 [PATCH 0/3] iio: mxs-lradc fixes Alexandre Belloni
2014-01-13 16:02 ` [PATCH 1/3] iio: mxs-lradc: fix buffer overflow Alexandre Belloni
2014-01-18 11:31 ` Jonathan Cameron
2014-01-13 16:02 ` [PATCH 2/3] iio: mxs-lradc: fix invalid channel number detection Alexandre Belloni
2014-01-13 20:25 ` Marek Vasut
2014-01-13 23:43 ` Alexandre Belloni [this message]
2014-01-14 18:52 ` Jonathan Cameron
2014-01-13 16:02 ` [PATCH 3/3] iio: mxs-lradc: remove useless scale_available files Alexandre Belloni
2014-01-18 11:32 ` Jonathan Cameron
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