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authorJavier Carrasco <javier.carrasco.cruz@gmail.com>2024-10-20 07:01:07 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2024-10-20 07:21:38 +0300
commit0ec6f58b63ae17774b10aa41ee86b6a387b60038 (patch)
tree4721bb64b96ea3e280f80179e0155b4e3c0013fc /drivers/input
parent2e6980c16993d21ff6dc9c338a33920f10d22395 (diff)
downloadlinux-0ec6f58b63ae17774b10aa41ee86b6a387b60038.tar.xz
Input: sun4i-lradc-keys - switch to for_each_child_of_node_scoped
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> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Link: https://lore.kernel.org/r/20241010-input_automate_of_node_put-v1-3-ebc62138fbf8@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/keyboard/sun4i-lradc-keys.c7
1 files changed, 2 insertions, 5 deletions
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;
}