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leds: Convert S3C24XX LED driver to devm_kzalloc()

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Use the device managed resource API for simplifying
the error/driver remove paths.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Sylwester Nawrocki 2012-06-30 20:30:25 +08:00 committed by Bryan Wu
parent 317dfb148d
commit 7e97b58133
1 changed files with 3 additions and 5 deletions
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8
drivers/leds/leds-s3c24xx.c
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@ -63,7 +63,6 @@ static int s3c24xx_led_remove(struct platform_device *dev)
struct s3c24xx_gpio_led *led = pdev_to_gpio(dev);
led_classdev_unregister(&led->cdev);
kfree(led);
return 0;
}
@ -74,7 +73,8 @@ static int s3c24xx_led_probe(struct platform_device *dev)
struct s3c24xx_gpio_led *led;
int ret;
led = kzalloc(sizeof(struct s3c24xx_gpio_led), GFP_KERNEL);
led = devm_kzalloc(&dev->dev, sizeof(struct s3c24xx_gpio_led),
GFP_KERNEL);
if (led == NULL) {
dev_err(&dev->dev, "No memory for device\n");
return -ENOMEM;
@ -103,10 +103,8 @@ static int s3c24xx_led_probe(struct platform_device *dev)
/* register our new led device */
ret = led_classdev_register(&dev->dev, &led->cdev);
if (ret < 0) {
if (ret < 0)
dev_err(&dev->dev, "led_classdev_register failed\n");
kfree(led);
}
return ret;
}