leds: sc27xx: Simplify with scoped for each OF child loop

Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: krzk

drivers/leds/leds-sc27xx-bltc.c

@@ -276,7 +276,7 @@ static int sc27xx_led_register(struct device *dev, struct sc27xx_led_priv *priv)
 static int sc27xx_led_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = dev_of_node(dev), *child;
+	struct device_node *np = dev_of_node(dev);
 	struct sc27xx_led_priv *priv;
 	u32 base, count, reg;
 	int err;
@@ -304,17 +304,13 @@ static int sc27xx_led_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	for_each_available_child_of_node(np, child) {
+	for_each_available_child_of_node_scoped(np, child) {
 		err = of_property_read_u32(child, "reg", &reg);
-		if (err) {
-			of_node_put(child);
+		if (err)
 			return err;
-		}
 
-		if (reg >= SC27XX_LEDS_MAX || priv->leds[reg].active) {
-			of_node_put(child);
+		if (reg >= SC27XX_LEDS_MAX || priv->leds[reg].active)
 			return -EINVAL;
-		}
 
 		priv->leds[reg].fwnode = of_fwnode_handle(child);
 		priv->leds[reg].active = true;