@@ -7,6 +7,7 @@
* Author: Jacek Anaszewski <j.anaszewski@samsung.com>
*/
+#include <linux/cleanup.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/led-class-flash.h>
@@ -215,7 +216,6 @@ static int aat1290_led_parse_dt(struct aat1290_led *led,
struct device_node **sub_node)
{
struct device *dev = &led->pdev->dev;
- struct device_node *child_node;
#if IS_ENABLED(CONFIG_V4L2_FLASH_LED_CLASS)
struct pinctrl *pinctrl;
#endif
@@ -246,7 +246,8 @@ static int aat1290_led_parse_dt(struct aat1290_led *led,
}
#endif
- child_node = of_get_next_available_child(dev_of_node(dev), NULL);
+ struct device_node *child_node __free(device_node) =
+ of_get_next_available_child(dev_of_node(dev), NULL);
if (!child_node) {
dev_err(dev, "No DT child node found for connected LED.\n");
return -EINVAL;
@@ -267,7 +268,7 @@ static int aat1290_led_parse_dt(struct aat1290_led *led,
if (ret < 0) {
dev_err(dev,
"flash-max-microamp DT property missing\n");
- goto err_parse_dt;
+ return ret;
}
ret = of_property_read_u32(child_node, "flash-max-timeout-us",
@@ -275,15 +276,12 @@ static int aat1290_led_parse_dt(struct aat1290_led *led,
if (ret < 0) {
dev_err(dev,
"flash-max-timeout-us DT property missing\n");
- goto err_parse_dt;
+ return ret;
}
*sub_node = child_node;
-err_parse_dt:
- of_node_put(child_node);
-
- return ret;
+ return 0;
}
static void aat1290_led_validate_mm_current(struct aat1290_led *led,
Obtain the device node reference with scoped/cleanup.h to reduce error handling and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- drivers/leds/flash/leds-aat1290.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-)