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Vincent Donnefort f6ec4fccbf PM / devfreq: stopping the governor before device_unregister() 
[ Upstream commit 2f061fd0c2 ]

device_release() is freeing the resources before calling the device
specific release callback which is, in the case of devfreq, stopping
the governor.

It is a problem as some governors are using the device resources. e.g.
simpleondemand which is using the devfreq deferrable monitoring work. If it
is not stopped before the resources are freed, it might lead to a use after
free.

Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>
Reviewed-by: John Einar Reitan <john.reitan@arm.com>
[cw00.choi: Fix merge conflict]
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-11-24 08:19:36 +01:00
..
event PM / devfreq: exynos-ppmu: Delete an error message for a failed memory allocation in exynos_ppmu_probe() 2018-07-18 13:56:46 +09:00
devfreq-event.c PM / devfreq: Convert to using %pOF instead of full_name 2017-08-28 09:15:33 +09:00
devfreq.c PM / devfreq: stopping the governor before device_unregister() 2019-11-24 08:19:36 +01:00
exynos-bus.c PM / devfreq: exynos-bus: Correct clock enable sequence 2019-10-05 13:09:48 +02:00
governor.h PM / devfreq: Move private devfreq_update_stats() into devfreq 2017-08-28 10:22:27 +09:00
governor_passive.c PM / devfreq: passive: fix compiler warning 2019-10-05 13:09:59 +02:00
governor_performance.c PM / devfreq: Define the constant governor name 2017-10-26 17:08:40 +09:00
governor_powersave.c PM / devfreq: Define the constant governor name 2017-10-26 17:08:40 +09:00
governor_simpleondemand.c PM / devfreq: Define the constant governor name 2017-10-26 17:08:40 +09:00
governor_userspace.c PM / devfreq: Define the constant governor name 2017-10-26 17:08:40 +09:00
Kconfig PM / devfreq: Add dependency on PM_OPP 2017-08-28 10:23:57 +09:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rk3399_dmc.c PM / devfreq: rk3399_dmc: Fix duplicated opp table on reload. 2018-07-18 13:58:39 +09:00
tegra-devfreq.c PM / devfreq: tegra: Fix kHz to Hz conversion 2019-10-11 18:20:46 +02:00