Frank Li e68efb90e8 i3c: fix refcount inconsistency in i3c_master_register ...

[ Upstream commit 9d4f219807 ]

In `i3c_master_register`, a possible refcount inconsistency has been
identified, causing possible resource leak.

Function `of_node_get` increases the refcount of `parent->of_node`. If
function `i3c_bus_init` fails, the function returns immediately without
a corresponding decrease, resulting in an inconsistent refcounter.

Move call i3c_bus_init() after device_initialize() to let callback
i3c_masterdev_release() release of_node.

Reported-by: Shuhao Fu <sfual@cse.ust.hk>
Closes: https://lore.kernel.org/linux-i3c/aO2tjp_FsV_WohPG@osx.local/T/#m2c05a982beeb14e7bf039c1d8db856734bf234c7
Fixes: 3a379bbcea ("i3c: Add core I3C infrastructure")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251016143814.2551256-1-Frank.Li@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2026-01-19 13:11:29 +01:00

..

master

i3c: master: cdns: Update maximum prescaler value for i2c clock

2024-02-23 08:42:13 +01:00

device.c

…

internals.h

i3c: add missing include to internal header

2025-08-28 16:22:46 +02:00

Kconfig

…

Makefile

…

master.c

i3c: fix refcount inconsistency in i3c_master_register

2026-01-19 13:11:29 +01:00