diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 861c100f9fac..1db04cbcf227 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -788,7 +788,8 @@ struct devfreq *devfreq_add_device(struct device *dev,
 
 	if (devfreq->profile->timer < 0
 		|| devfreq->profile->timer >= DEVFREQ_TIMER_NUM) {
-		goto err_out;
+		mutex_unlock(&devfreq->lock);
+		goto err_dev;
 	}
 
 	if (!devfreq->profile->max_state && !devfreq->profile->freq_table) {