Re: [PATCH] leds: mt6360: Fix error path in device_for_each_child_node()

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On 23/10/2024 14:06, Zhang Zekun wrote:
When break out from device_for_each_child_node(), the child node
is refcount added, and requires calls to fwnode_handle_put().
Use scoped fwnode_handle_put() to put child node automatically in
error path.

Fixes: 679f8652064b ("leds: Add mt6360 driver")
Signed-off-by: Zhang Zekun <zhangzekun11@xxxxxxxxxx>

Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>

---
  drivers/leds/flash/leds-mt6360.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/leds/flash/leds-mt6360.c b/drivers/leds/flash/leds-mt6360.c
index 4c74f1cf01f0..676236c19ec4 100644
--- a/drivers/leds/flash/leds-mt6360.c
+++ b/drivers/leds/flash/leds-mt6360.c
@@ -784,7 +784,6 @@ static void mt6360_v4l2_flash_release(struct mt6360_priv *priv)
  static int mt6360_led_probe(struct platform_device *pdev)
  {
  	struct mt6360_priv *priv;
-	struct fwnode_handle *child;
  	size_t count;
  	int i = 0, ret;
@@ -811,7 +810,7 @@ static int mt6360_led_probe(struct platform_device *pdev)
  		return -ENODEV;
  	}
- device_for_each_child_node(&pdev->dev, child) {
+	device_for_each_child_node_scoped(&pdev->dev, child) {
  		struct mt6360_led *led = priv->leds + i;
  		struct led_init_data init_data = { .fwnode = child, };
  		u32 reg, led_color;




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