leds: leds-ot200: Use devm_led_classdev_register

Use resource-managed function devm_led_classdev_register
instead of led_classdev_register to make the error path simpler.
The goto is replaced with direct return, unneeded label err is
dropped. Also, remove redundant ot200_led_remove.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>

drivers/leds/leds-ot200.c

@@ -124,9 +124,9 @@ static int ot200_led_probe(struct platform_device *pdev)
 		leds[i].cdev.name = leds[i].name;
 		leds[i].cdev.brightness_set = ot200_led_brightness_set;
 
-		ret = led_classdev_register(&pdev->dev, &leds[i].cdev);
+		ret = devm_led_classdev_register(&pdev->dev, &leds[i].cdev);
 		if (ret < 0)
-			goto err;
+			return ret;
 	}
 
 	leds_front = 0;		/* turn off all front leds */
@@ -135,27 +135,10 @@ static int ot200_led_probe(struct platform_device *pdev)
 	outb(leds_back, 0x5a);
 
 	return 0;
-
-err:
-	for (i = i - 1; i >= 0; i--)
-		led_classdev_unregister(&leds[i].cdev);
-
-	return ret;
-}
-
-static int ot200_led_remove(struct platform_device *pdev)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(leds); i++)
-		led_classdev_unregister(&leds[i].cdev);
-
-	return 0;
 }
 
 static struct platform_driver ot200_led_driver = {
 	.probe		= ot200_led_probe,
-	.remove		= ot200_led_remove,
 	.driver		= {
 		.name	= "leds-ot200",
 	},