linux-kernel - [PATCH] leds: leds-hp6xx: Use devm_led_classdev

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Date:	Sun,  6 Sep 2015 01:23:37 +0530
From:	Muhammad Falak R Wani <falakreyaz@...il.com>
To:	Bryan Wu <cooloney@...il.com>, Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>,
	linux-leds@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Muhammad Falak R Wani <falakreyaz@...il.com>
Subject: [PATCH] leds: leds-hp6xx: Use devm_led_classdev_register

Use resource-managed function devm_led_classdev_register
instead of led_classdev_register to simplify error path.
An unnecessary check of ret is replaced with a direct return
Also, remove redundant hp6xxled_remove.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com>
---
 drivers/leds/leds-hp6xx.c | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index 0b84c01..3b38ff0 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -59,28 +59,15 @@ static int hp6xxled_probe(struct platform_device *pdev)
 {
 	int ret;
 
-	ret = led_classdev_register(&pdev->dev, &hp6xx_red_led);
+	ret = devm_led_classdev_register(&pdev->dev, &hp6xx_red_led);
 	if (ret < 0)
 		return ret;
 
-	ret = led_classdev_register(&pdev->dev, &hp6xx_green_led);
-	if (ret < 0)
-		led_classdev_unregister(&hp6xx_red_led);
-
-	return ret;
-}
-
-static int hp6xxled_remove(struct platform_device *pdev)
-{
-	led_classdev_unregister(&hp6xx_red_led);
-	led_classdev_unregister(&hp6xx_green_led);
-
-	return 0;
+	return  devm_led_classdev_register(&pdev->dev, &hp6xx_green_led);
 }
 
 static struct platform_driver hp6xxled_driver = {
 	.probe		= hp6xxled_probe,
-	.remove		= hp6xxled_remove,
 	.driver		= {
 		.name		= "hp6xx-led",
 	},
-- 
1.9.1

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