linux

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Tetsuo Handa ed4d6126ff can: j1939: j1939_local_ecu_get(): undo increment when j1939_local_ecu_get() fails

[ Upstream commit 06e02da29f ]

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: 9d71dd0c70 ("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>
Link: https://patch.msgid.link/e7f80046-4ff7-4ce2-8ad8-7c3c678a42c9@I-love.SAKURA.ne.jp
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-10-02 13:34:29 +02:00

j1939

can: j1939: j1939_local_ecu_get(): undo increment when j1939_local_ecu_get() fails

2025-10-02 13:34:29 +02:00

af_can.c

can: statistics: use atomic access in hot path

2025-04-10 14:29:42 +02:00

af_can.h

can: statistics: use atomic access in hot path

2025-04-10 14:29:42 +02:00

bcm.c

can: bcm: add missing rcu read protection for procfs content