linux-kernel - Re: [PATCH] can: ctucanfd: Fix an error handling path in ctucan_probe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230515-finisher-plating-8ab57747fea5-mkl@pengutronix.de>
Date:   Mon, 15 May 2023 22:51:58 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Pavel Pisa <pisa@....felk.cvut.cz>,
        Ondrej Ille <ondrej.ille@...il.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Martin Jerabek <martin.jerabek01@...il.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] can: ctucanfd: Fix an error handling path in
 ctucan_probe_common()

On 15.05.2023 22:36:28, Christophe JAILLET wrote:
> If register_candev() fails, a previous netif_napi_add() needs to be undone.
> Add the missing netif_napi_del() in the error handling path.

What about this path:
free_candev(ndev) -> free_netdev() -> netif_napi_del()

| https://elixir.bootlin.com/linux/v6.3.2/source/net/core/dev.c#L10714

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)