diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index b6d3e7db0b0979370ab009ba7f3cbe03f20bb40f..99b2eeedc2387e0af41c519e5751679f368d4842 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -822,7 +822,8 @@ 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) {