diff mbox series

[3/3] gpio: acpi: switch to device_for_each_child_node_scoped()

Message ID 20240928-gpio_device_for_each_child_node_scoped-v1-3-c20eff315f4f@gmail.com
State New
Headers show
Series [1/3] gpio: dwapb: switch to device_for_each_child_node_scoped() | expand

Commit Message

Javier Carrasco Sept. 28, 2024, 7:47 p.m. UTC 
Switch to device_for_each_child_node_scoped() to simplify the code by
removing the need for a call to fwnode_handle_put() in the error path.

This also prevents possible memory leaks if new error paths are added
without the required call to fwnode_handle_put().

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
---
 drivers/gpio/gpiolib-acpi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 78ecd56123a3..1f9fe50bba00 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1315,9 +1315,8 @@  acpi_gpiochip_parse_own_gpio(struct acpi_gpio_chip *achip,
 static void acpi_gpiochip_scan_gpios(struct acpi_gpio_chip *achip)
 {
 	struct gpio_chip *chip = achip->chip;
-	struct fwnode_handle *fwnode;
 
-	device_for_each_child_node(chip->parent, fwnode) {
+	device_for_each_child_node_scoped(chip->parent, fwnode) {
 		unsigned long lflags;
 		enum gpiod_flags dflags;
 		struct gpio_desc *desc;
@@ -1335,7 +1334,6 @@  static void acpi_gpiochip_scan_gpios(struct acpi_gpio_chip *achip)
 		ret = gpiod_hog(desc, name, lflags, dflags);
 		if (ret) {
 			dev_err(chip->parent, "Failed to hog GPIO\n");
-			fwnode_handle_put(fwnode);
 			return;
 		}
 	}