thermal: Fix locking in cooling device sysfs update cur_state

Browse source

[ Upstream commit 68000a0d98 ]

Sysfs interface to update cooling device cur_state does not
currently holding cooling device lock sometimes leading to
stale values in cur_state if getting updated simultanelously
from user space and thermal framework. Adding the proper locking
code fixes this issue.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Thara Gopinath 2018-11-27 17:43:11 -05:00 • committed by Greg Kroah-Hartman

parent 39b2877916

commit 5b8aafa6ce

1 changed files with 7 additions and 4 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

11

drivers/thermal/thermal_sysfs.c

View file