linux-kernel - Re: [PATCH][next] can: etas_es58x: Fix missing null check on netdev pointer

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Message-ID: <20210415114711.fqxj2j744fmqw6pb@pengutronix.de>
Date:   Thu, 15 Apr 2021 13:47:11 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Vincent MAILHOL <mailhol.vincent@...adoo.fr>
Cc:     Colin King <colin.king@...onical.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Arunachalam Santhanam <arunachalam.santhanam@...bosch.com>,
        linux-can <linux-can@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>, kernel-janitors@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][next] can: etas_es58x: Fix missing null check on netdev
 pointer

On 15.04.2021 20:42:36, Vincent MAILHOL wrote:
> On Thu. 15 Apr 2021 at 18:04, Marc Kleine-Budde <mkl@...gutronix.de> wrote:
> > On 15.04.2021 09:47:23, Colin King wrote:
> > > From: Colin Ian King <colin.king@...onical.com>
> > >
> > > There is an assignment to *netdev that is can potentially be null but the
>                                            ^^
> Typo: that is can -> that can

Fixed.

> > > null check is checking netdev and not *netdev as intended. Fix this by
> > > adding in the missing * operator.
> > >
> > > Addresses-Coverity: ("Dereference before null check")
> > > Fixes: 8537257874e9 ("can: etas_es58x: add core support for ETAS ES58X CAN USB interfaces")
> > > Signed-off-by: Colin Ian King <colin.king@...onical.com>
> 
> Acked-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>

Added to the patch.

Tnx,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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