linux-kernel - Re: [PATCH] soc: imx: imx8m-blk-ctrl: off by one in imx8m_blk_ctrl

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Message-ID: <20211015031021.GC22881@dragon>
Date:   Fri, 15 Oct 2021 11:10:22 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Peng Fan <peng.fan@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] soc: imx: imx8m-blk-ctrl: off by one in
 imx8m_blk_ctrl_xlate()

On Mon, Oct 11, 2021 at 03:36:38PM +0300, Dan Carpenter wrote:
> The > comparison should be >= to prevent reading one element beyond the
> end of the array.  The onecell_data->domains[] array is allocated in
> imx8m_blk_ctrl_probe() and it has "onecell_data->num_domains" elements.
> 
> Fixes: 5b340e7813d4 ("soc: imx: add i.MX8M blk-ctrl driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Applied, thanks!