From: Sean Anderson <sean.anderson@seco.com>
Date: Thu, 8 Apr 2021 21:15:00 +0000 (-0400)
Subject: dm: core: Fix uninitialized return value from dm_scan_fdt_node
X-Git-Tag: v2025.01-rc5-pxa1908~1890^2~7
X-Git-Url: http://git.dujemihanovic.xyz/img/html/static/%7B%7B?a=commitdiff_plain;h=6784cb35f52b1f742a4b56cc6b5697b6ca784598;p=u-boot.git

dm: core: Fix uninitialized return value from dm_scan_fdt_node

If there are no nodes or if all nodes are disabled, this function would
return err without setting it first. Fix this by initializing err to
zero.

Fixes: 94f7afdf7e ("dm: core: Ignore disabled devices when binding")

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/drivers/core/root.c b/drivers/core/root.c
index d9a19c5e6b..f852d867db 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -265,7 +265,7 @@ int dm_scan_plat(bool pre_reloc_only)
 static int dm_scan_fdt_node(struct udevice *parent, ofnode parent_node,
 			    bool pre_reloc_only)
 {
-	int ret = 0, err;
+	int ret = 0, err = 0;
 	ofnode node;
 
 	if (!ofnode_valid(parent_node))