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Date: Mon, 17 Aug 2026 02:37:40 +0100
From: Jonathan Cameron <jic23@kernel.org>
To: Mehdi Djait <mehdi.djait@linux.intel.com>
Cc: Matti Vaittinen <mazziesaccount@gmail.com>, Matti Vaittinen
 <matti.vaittinen@fi.rohmeurope.com>, Matti Vaittinen
 <matti.vaittinen@linux.dev>, David Lechner <dlechner@baylibre.com>, Nuno
 =?UTF-8?B?U8Oh?= <nuno.sa@analog.com>, Andy Shevchenko <andy@kernel.org>,
 Javier Carrasco <javier.carrasco.cruz@gmail.com>, Mehdi Djait
 <mehdi.djait.k@gmail.com>, linux-iio@vger.kernel.org,
 linux-kernel@vger.kernel.org, Kalle Niemi <kaleposti@gmail.com>, Topi
 =?UTF-8?B?U29ua2Fqw6Rydmk=?= <sonkajarvi@hotmail.com>
Subject: Re: [PATCH 10/12] iio: accel: kionix-kx022a: Fix array boundary
 check
Message-ID: <20260817023740.1b07559f@jic23-huawei>
In-Reply-To: <anxb3anPmo3zjIV5@mdjait-mobl>
References: <cover.1786347811.git.mazziesaccount@gmail.com>
	<159f1048852afc74cfc2d219298a5a6f9d70cbb4.1786347811.git.mazziesaccount@gmail.com>
	<anxb3anPmo3zjIV5@mdjait-mobl>
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On Wed, 12 Aug 2026 13:43:35 +0200
Mehdi Djait <mehdi.djait@linux.intel.com> wrote:

> Hi Matti,
> 
> Thank you for that patch!
> 
> On Mon, Aug 10, 2026 at 10:54:32AM +0300, Matti Vaittinen wrote:
> > From: Matti Vaittinen <mazziesaccount@gmail.com>
> > 
> > The driver performs a sanity check for an array size, when converting a
> > register value to an array index. The check incorrectly accepts the
> > sizeof(array) as a last index, when last valid index should be
> > sizeof(array) - 1.
> > 
> > Fix the check by bailing out when index >= sizeof(array).
> >    
> 
> Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Applied thanks,

Jonathan

> 
> > Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
> > Fixes: 7c1d1677b322 ("iio: accel: Support Kionix/ROHM KX022A accelerometer")  
> 
> --
> Kind Regards
> Mehdi Djait