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>
This commit is contained in:
Mark Brown 2012-01-10 15:09:45 -08:00 committed by Linus Torvalds
parent 3b080945aa
commit 1713cb9d60

View file

@ -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;
}