backlight: sky81452-backlight: Remove unnecessary call to of_node_get()

`dev->of_node` already has a reference to the device_node and calling
of_node_get on it is unnecessary. All conresponding calls to
of_node_put are also removed.

Signed-off-by: Shresth Prasad <shresthprasad7@gmail.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240502172121.8695-2-shresthprasad7@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>

Author: Yttrium-32

drivers/video/backlight/sky81452-backlight.c

@@ -182,7 +182,7 @@ static const struct attribute_group sky81452_bl_attr_group = {
 static struct sky81452_bl_platform_data *sky81452_bl_parse_dt(
 							struct device *dev)
 {
-	struct device_node *np = of_node_get(dev->of_node);
+	struct device_node *np = dev->of_node;
 	struct sky81452_bl_platform_data *pdata;
 	int num_entry;
 	unsigned int sources[6];
@@ -194,10 +194,8 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt(
 	}
 
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata) {
-		of_node_put(np);
+	if (!pdata)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	of_property_read_string(np, "name", &pdata->name);
 	pdata->ignore_pwm = of_property_read_bool(np, "skyworks,ignore-pwm");
@@ -217,7 +215,6 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt(
 					num_entry);
 		if (ret < 0) {
 			dev_err(dev, "led-sources node is invalid.\n");
-			of_node_put(np);
 			return ERR_PTR(-EINVAL);
 		}
 
@@ -237,7 +234,6 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt(
 	if (ret < 0)
 		pdata->boost_current_limit = 2750;
 
-	of_node_put(np);
 	return pdata;
 }
 #else