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authorHeiner Kallweit <hkallweit1@gmail.com>2016-09-14 14:55:43 -0400
committerJacek Anaszewski <j.anaszewski@samsung.com>2016-09-15 10:49:43 -0400
commit74b69e5246d13840963b7b23e21dbab541cb26d2 (patch)
tree1b1d3c6db1a207331486d1e8bc4452ffcfa9bf24 /drivers/leds/leds-gpio.c
parentbc2c0dd85a0a31505ca2f92bef891ddac9126725 (diff)
leds: gpio: fix and simplify error handling in gpio_leds_create
Simplify the error handling and add a missing call to fwnode_handle_put when checking led.name. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds/leds-gpio.c')
-rw-r--r--drivers/leds/leds-gpio.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index ab273f85ac3c..d400dcaf4d29 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)
177 led.gpiod = devm_get_gpiod_from_child(dev, NULL, child); 177 led.gpiod = devm_get_gpiod_from_child(dev, NULL, child);
178 if (IS_ERR(led.gpiod)) { 178 if (IS_ERR(led.gpiod)) {
179 fwnode_handle_put(child); 179 fwnode_handle_put(child);
180 ret = PTR_ERR(led.gpiod); 180 return ERR_CAST(led.gpiod);
181 goto err;
182 } 181 }
183 182
184 ret = fwnode_property_read_string(child, "label", &led.name); 183 ret = fwnode_property_read_string(child, "label", &led.name);
185 if (ret && IS_ENABLED(CONFIG_OF) && np) 184 if (ret && IS_ENABLED(CONFIG_OF) && np)
186 led.name = np->name; 185 led.name = np->name;
187 if (!led.name) { 186 if (!led.name) {
188 ret = -EINVAL; 187 fwnode_handle_put(child);
189 goto err; 188 return ERR_PTR(-EINVAL);
190 } 189 }
191 190
192 fwnode_property_read_string(child, "linux,default-trigger", 191 fwnode_property_read_string(child, "linux,default-trigger",
@@ -210,16 +209,13 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
210 ret = create_gpio_led(&led, led_dat, dev, NULL); 209 ret = create_gpio_led(&led, led_dat, dev, NULL);
211 if (ret < 0) { 210 if (ret < 0) {
212 fwnode_handle_put(child); 211 fwnode_handle_put(child);
213 goto err; 212 return ERR_PTR(ret);
214 } 213 }
215 led_dat->cdev.dev->of_node = np; 214 led_dat->cdev.dev->of_node = np;
216 priv->num_leds++; 215 priv->num_leds++;
217 } 216 }
218 217
219 return priv; 218 return priv;
220
221err:
222 return ERR_PTR(ret);
223} 219}
224 220
225static const struct of_device_id of_gpio_leds_match[] = { 221static const struct of_device_id of_gpio_leds_match[] = {