thermal/core/thermal_of: Stop zone device before unregistering it
authorDmitry Osipenko <digetx@gmail.com>
Wed, 16 Jun 2021 19:04:13 +0000 (22:04 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Jul 2021 12:36:17 +0000 (14:36 +0200)
commit9beba1469996b5d8d610633c76514a4997bdc763
tree9411f293b19664c5f109ee59ce1444f3d854cb4f
parent7412c988fe123a064d67778611a5e40fd50bfd20
thermal/core/thermal_of: Stop zone device before unregistering it

[ Upstream commit 5e5c9f9a75fc4532980c2e699caf8a36070a3a2e ]

Zone device is enabled after thermal_zone_of_sensor_register() completion,
but it's not disabled before senor is unregistered, leaving temperature
polling active. This results in accessing a disabled zone device and
produces a warning about this problem. Stop zone device before
unregistering it in order to fix this "use-after-free" problem.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210616190417.32214-3-digetx@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/thermal/thermal_of.c