diff mbox series

[03/10] Input: sun4i-lradc-keys - switch to for_each_child_of_node_scoped

Message ID 20241010-input_automate_of_node_put-v1-3-ebc62138fbf8@gmail.com
State Accepted
Commit 0ec6f58b63ae17774b10aa41ee86b6a387b60038
Headers show
Series input: automate of_node_put() calls for device_node | expand

Commit Message

Javier Carrasco Oct. 10, 2024, 9:25 p.m. UTC 
Use the scoped variant of the macro to simplify the code and error
handling. This makes the error handling more robust by ensuring that
the child node is always freed.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
---
 drivers/input/keyboard/sun4i-lradc-keys.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c b/drivers/input/keyboard/sun4i-lradc-keys.c
index f304cab0ebdb..f1e269605f05 100644
--- a/drivers/input/keyboard/sun4i-lradc-keys.c
+++ b/drivers/input/keyboard/sun4i-lradc-keys.c
@@ -202,7 +202,7 @@  static void sun4i_lradc_close(struct input_dev *dev)
 static int sun4i_lradc_load_dt_keymap(struct device *dev,
 				      struct sun4i_lradc_data *lradc)
 {
-	struct device_node *np, *pp;
+	struct device_node *np;
 	int i;
 	int error;
 
@@ -223,28 +223,25 @@  static int sun4i_lradc_load_dt_keymap(struct device *dev,
 		return -ENOMEM;
 
 	i = 0;
-	for_each_child_of_node(np, pp) {
+	for_each_child_of_node_scoped(np, pp) {
 		struct sun4i_lradc_keymap *map = &lradc->chan0_map[i];
 		u32 channel;
 
 		error = of_property_read_u32(pp, "channel", &channel);
 		if (error || channel != 0) {
 			dev_err(dev, "%pOFn: Inval channel prop\n", pp);
-			of_node_put(pp);
 			return -EINVAL;
 		}
 
 		error = of_property_read_u32(pp, "voltage", &map->voltage);
 		if (error) {
 			dev_err(dev, "%pOFn: Inval voltage prop\n", pp);
-			of_node_put(pp);
 			return -EINVAL;
 		}
 
 		error = of_property_read_u32(pp, "linux,code", &map->keycode);
 		if (error) {
 			dev_err(dev, "%pOFn: Inval linux,code prop\n", pp);
-			of_node_put(pp);
 			return -EINVAL;
 		}