linux-kernel - [PATCH 2/2] leds: Convert wm8350 driver to devm

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Date:	Thu, 15 Dec 2011 02:24:08 +0800
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Richard Purdie <rpurdie@...ys.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 2/2] leds: Convert wm8350 driver to devm_kzalloc()

Saves a small amount of code and systematically eliminates leaks.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/leds/leds-wm8350.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 390c0f6..918d4ba 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -227,7 +227,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
 		goto err_isink;
 	}
 
-	led = kzalloc(sizeof(*led), GFP_KERNEL);
+	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
 	if (led == NULL) {
 		ret = -ENOMEM;
 		goto err_dcdc;
@@ -259,12 +259,10 @@ static int wm8350_led_probe(struct platform_device *pdev)
 
 	ret = led_classdev_register(&pdev->dev, &led->cdev);
 	if (ret < 0)
-		goto err_led;
+		goto err_dcdc;
 
 	return 0;
 
- err_led:
-	kfree(led);
  err_dcdc:
 	regulator_put(dcdc);
  err_isink:
@@ -281,7 +279,6 @@ static int wm8350_led_remove(struct platform_device *pdev)
 	wm8350_led_disable(led);
 	regulator_put(led->dcdc);
 	regulator_put(led->isink);
-	kfree(led);
 	return 0;
 }
 
-- 
1.7.7.3

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