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Enric Balletbo i Serra 4039b5dd0f PM / devfreq: Fix static checker warning in try_then_request_governor 
[ Upstream commit b53b012805 ]

The patch 23c7b54ca1: "PM / devfreq: Fix devfreq_add_device() when
drivers are built as modules." leads to the following static checker
warning:

    drivers/devfreq/devfreq.c:1043 governor_store()
    warn: 'governor' can also be NULL

The reason is that the try_then_request_governor() function returns both
error pointers and NULL. It should just return error pointers, so fix
this by returning a ERR_PTR to the error intead of returning NULL.

Fixes: 23c7b54ca1 ("PM / devfreq: Fix devfreq_add_device() when drivers are built as modules.")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
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 08:21:07 +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: Fix static checker warning in try_then_request_governor 2019-11-24 08:21:07 +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