linux-kernel - [PATCH] leds: leds-hp6xx: Use of devm_classdev

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Date:	Mon, 26 Oct 2015 10:00:28 -0700
From:	Fida Mohammad <fmthoker@...il.com>
To:	Bryan Wu <cooloney@...il.com>, Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>,
	linux-leds@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Cc:	Muhammad Falak <falakreyaz@...il.com>,
	Kristoffer <kristoffer.ericson@...il.com>,
	Fida Mohammad <fmthoker@...il.com>
Subject: [PATCH]  leds: leds-hp6xx: Use of devm_classdev_register

Use resource managed function devm_classdev_register to make
error path simpler. Also removed the redundant remove function.

Signed-off-by: Fida Mohammad <fmthoker@...il.com>
---
 drivers/leds/leds-hp6xx.c | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index 0b84c01..ffb6d5b 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -59,28 +59,17 @@ 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 devm_led_classdev_register(&pdev->dev, &hp6xx_green_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;
-}
 
 static struct platform_driver hp6xxled_driver = {
 	.probe		= hp6xxled_probe,
-	.remove		= hp6xxled_remove,
 	.driver		= {
 		.name		= "hp6xx-led",
 	},
-- 
1.9.1

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