[PATCH v2 7/7] leds: gpio: fix and simplify error handling in gpio_leds_create

From: Heiner Kallweit
Date: Wed Sep 14 2016 - 14:56:21 EST


Simplify the error handling and add a missing call to fwnode_handle_put
when checking led.name.

Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
v2:
- rebased due to removal of patch 2 of the original series
---
drivers/leds/leds-gpio.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index ab273f8..d400dca 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -177,16 +177,15 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
led.gpiod = devm_get_gpiod_from_child(dev, NULL, child);
if (IS_ERR(led.gpiod)) {
fwnode_handle_put(child);
- ret = PTR_ERR(led.gpiod);
- goto err;
+ return ERR_CAST(led.gpiod);
}

ret = fwnode_property_read_string(child, "label", &led.name);
if (ret && IS_ENABLED(CONFIG_OF) && np)
led.name = np->name;
if (!led.name) {
- ret = -EINVAL;
- goto err;
+ fwnode_handle_put(child);
+ return ERR_PTR(-EINVAL);
}

fwnode_property_read_string(child, "linux,default-trigger",
@@ -210,16 +209,13 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
ret = create_gpio_led(&led, led_dat, dev, NULL);
if (ret < 0) {
fwnode_handle_put(child);
- goto err;
+ return ERR_PTR(ret);
}
led_dat->cdev.dev->of_node = np;
priv->num_leds++;
}

return priv;
-
-err:
- return ERR_PTR(ret);
}

static const struct of_device_id of_gpio_leds_match[] = {
--
2.9.2