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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Robin van der Gracht <robin@protonic.nl>,
	kernel@pengutronix.de, Oliver Hartkopp <socketcan@hartkopp.net>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Maxime Jayat <maxime.jayat@mobile-devices.fr>,
	Elenita Hinds <ecathinds@gmail.com>,
	Bastian Stender <bst@pengutronix.de>,
	linux-can@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] can: j1939: undo increment when j1939_local_ecu_get() fails
Date: Fri, 5 Sep 2025 10:31:15 +0200	[thread overview]
Message-ID: <aLqf0-WGRA8-Qb15@pengutronix.de> (raw)
In-Reply-To: <e7f80046-4ff7-4ce2-8ad8-7c3c678a42c9@I-love.SAKURA.ne.jp>

On Sun, Aug 24, 2025 at 07:27:40PM +0900, Tetsuo Handa wrote:
> Since j1939_sk_bind() and j1939_sk_release() call j1939_local_ecu_put()
> when J1939_SOCK_BOUND was already set, but the error handling path for
> j1939_sk_bind() will not set J1939_SOCK_BOUND when j1939_local_ecu_get()
> fails, j1939_local_ecu_get() needs to undo priv->ents[sa].nusers++ when
> j1939_local_ecu_get() returns an error.
> 
> Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>                                                                                                             
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>

Thank you!
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  reply	other threads:[~2025-09-05  8:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-24 10:27 [PATCH] can: j1939: undo increment when j1939_local_ecu_get() fails Tetsuo Handa
2025-09-05  8:31 ` Oleksij Rempel [this message]
2025-09-07  7:42   ` Tetsuo Handa
2025-09-08  4:57     ` Oleksij Rempel
2025-09-09 11:54 ` Marc Kleine-Budde

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