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 d9a19c5..f852d86 100644 (file)
--- 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))