dm: core: a trivial clean up

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/root.c b/drivers/core/root.c
index a328a48..47b3acf 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -73,10 +73,8 @@
 		dm_warn("Some drivers were not found\n");
 		ret = 0;
 	}
-	if (ret)
-		return ret;
 
-	return 0;
+	return ret;
 }
 
 #ifdef CONFIG_OF_CONTROL