of: resolver: Simplify with scoped for each OF child loop

Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240826062408.2406734-4-ruanjinjie@huawei.comSigned-off-by: Rob Herring (Arm) <robh@kernel.org>

drivers/of/resolver.c

@@ -150,7 +150,7 @@ static int node_name_cmp(const struct device_node *dn1,
 static int adjust_local_phandle_references(struct device_node *local_fixups,
 		struct device_node *overlay, int phandle_delta)
 {
-	struct device_node *child, *overlay_child;
+	struct device_node *overlay_child;
 	struct property *prop_fix, *prop;
 	int err, i, count;
 	unsigned int off;
@@ -194,7 +194,7 @@ static int adjust_local_phandle_references(struct device_node *local_fixups,
 	 * The roots of the subtrees are the overlay's __local_fixups__ node
 	 * and the overlay's root node.
 	 */
-	for_each_child_of_node(local_fixups, child) {
+	for_each_child_of_node_scoped(local_fixups, child) {
 
 		for_each_child_of_node(overlay, overlay_child)
 			if (!node_name_cmp(child, overlay_child)) {
@@ -202,17 +202,13 @@ static int adjust_local_phandle_references(struct device_node *local_fixups,
 				break;
 			}
 
-		if (!overlay_child) {
-			of_node_put(child);
+		if (!overlay_child)
 			return -EINVAL;
-		}
 
 		err = adjust_local_phandle_references(child, overlay_child,
 				phandle_delta);
-		if (err) {
-			of_node_put(child);
+		if (err)
 			return err;
-		}
 	}
 
 	return 0;