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path: root/drivers/thermal/gov_bang_bang.c
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Diffstat (limited to 'drivers/thermal/gov_bang_bang.c')
-rw-r--r--drivers/thermal/gov_bang_bang.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index fc52016d4e85..bb118a152cbb 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -71,7 +71,9 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
dev_dbg(&instance->cdev->device, "target=%d\n",
(int)instance->target);
+ mutex_lock(&instance->cdev->lock);
instance->cdev->updated = false; /* cdev needs update */
+ mutex_unlock(&instance->cdev->lock);
}
mutex_unlock(&tz->lock);
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