From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 10 Jan 2012 23:09:45 +0000 (-0800)
Subject: leds: convert wm831x status driver to devm_kzalloc()
X-Git-Tag: upstream/snapshot3+hdmi~8381^2~47
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1713cb9d6069fac581fcea928f65ca6ca7c9facf;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

leds: convert wm831x status driver to devm_kzalloc()

Saves a small amount of code and systematically eliminates leaks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c
index 444a68d..74a24cf 100644
--- a/drivers/leds/leds-wm831x-status.c
+++ b/drivers/leds/leds-wm831x-status.c
@@ -237,7 +237,8 @@ static int wm831x_status_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	drvdata = kzalloc(sizeof(struct wm831x_status), GFP_KERNEL);
+	drvdata = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_status),
+			       GFP_KERNEL);
 	if (!drvdata)
 		return -ENOMEM;
 	dev_set_drvdata(&pdev->dev, drvdata);
@@ -300,7 +301,6 @@ static int wm831x_status_probe(struct platform_device *pdev)
 
 err_led:
 	led_classdev_unregister(&drvdata->cdev);
-	kfree(drvdata);
 err:
 	return ret;
 }
@@ -311,7 +311,6 @@ static int wm831x_status_remove(struct platform_device *pdev)
 
 	device_remove_file(drvdata->cdev.dev, &dev_attr_src);
 	led_classdev_unregister(&drvdata->cdev);
-	kfree(drvdata);
 
 	return 0;
 }