diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 74a67e0019a2d246820ccb2858399bca193ff789..fbbd4ed2edf288318f8d165760c91ee420f1812c 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -451,7 +451,7 @@ int dev_pm_qos_add_ancestor_request(struct device *dev,
 	if (ancestor)
 		error = dev_pm_qos_add_request(ancestor, req, value);
 
-	if (error)
+	if (error < 0)
 		req->dev = NULL;
 
 	return error;