X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fthermal%2Fstep_wise.c;h=bcef2e7c4ec96f1cfc662019ccf0440d52d26328;hb=2771fc8ed60e43a0148a2f2c672a55b8f565f418;hp=ea9366ad3e6bb285e52e368691a0d495cbb3429f;hpb=dc799d0179baa7f62d2e73a8217a273ca82adbdf;p=deliverable%2Flinux.git

diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
index ea9366ad3e6b..bcef2e7c4ec9 100644
--- a/drivers/thermal/step_wise.c
+++ b/drivers/thermal/step_wise.c
@@ -175,7 +175,9 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
 			update_passive_instance(tz, trip_type, -1);
 
 		instance->initialized = true;
+		mutex_lock(&instance->cdev->lock);
 		instance->cdev->updated = false; /* cdev needs update */
+		mutex_unlock(&instance->cdev->lock);
 	}
 
 	mutex_unlock(&tz->lock);