Input: adc-keys - use device_for_each_child_node_scoped()

Switch to the _scoped() version introduced in commit 365130fd
("device property: Introduce device_for_each_child_node_scoped()")
to remove the need for manual calling of fwnode_handle_put() in the
paths where the code exits the loop early.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240412-input_device_for_each_child_node_scoped-v1-5-dbad1bc7ea84@gmail.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/keyboard/adc-keys.c

@@ -66,7 +66,6 @@ static void adc_keys_poll(struct input_dev *input)
 static int adc_keys_load_keymap(struct device *dev, struct adc_keys_state *st)
 {
 	struct adc_keys_button *map;
-	struct fwnode_handle *child;
 	int i;
 
 	st->num_keys = device_get_child_node_count(dev);
@@ -80,11 +79,10 @@ static int adc_keys_load_keymap(struct device *dev, struct adc_keys_state *st)
 		return -ENOMEM;
 
 	i = 0;
-	device_for_each_child_node(dev, child) {
+	device_for_each_child_node_scoped(dev, child) {
 		if (fwnode_property_read_u32(child, "press-threshold-microvolt",
 					     &map[i].voltage)) {
 			dev_err(dev, "Key with invalid or missing voltage\n");
-			fwnode_handle_put(child);
 			return -EINVAL;
 		}
 		map[i].voltage /= 1000;
@@ -92,7 +90,6 @@ static int adc_keys_load_keymap(struct device *dev, struct adc_keys_state *st)
 		if (fwnode_property_read_u32(child, "linux,code",
 					     &map[i].keycode)) {
 			dev_err(dev, "Key with invalid or missing linux,code\n");
-			fwnode_handle_put(child);
 			return -EINVAL;
 		}