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Commit ddb396f1 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

rtc: rtc-rp5c01: use devm_*() functions 



Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4ad21183

drivers/rtc/rtc-rp5c01.c

+8 −18
Original line number Diff line number Diff line
@@ -230,15 +230,13 @@ static int __init rp5c01_rtc_probe(struct platform_device *dev) 
	if (!res)

		return -ENODEV;



	priv = kzalloc(sizeof(*priv), GFP_KERNEL);

	priv = devm_kzalloc(&dev->dev, sizeof(*priv), GFP_KERNEL);

	if (!priv)

		return -ENOMEM;



	priv->regs = ioremap(res->start, resource_size(res));

	if (!priv->regs) {

		error = -ENOMEM;

		goto out_free_priv;

	}

	priv->regs = devm_ioremap(&dev->dev, res->start, resource_size(res));

	if (!priv->regs)

		return -ENOMEM;



	sysfs_bin_attr_init(&priv->nvram_attr);

	priv->nvram_attr.attr.name = "nvram";
@@ -251,27 +249,22 @@ static int __init rp5c01_rtc_probe(struct platform_device *dev) 


	platform_set_drvdata(dev, priv);



	rtc = rtc_device_register("rtc-rp5c01", &dev->dev, &rp5c01_rtc_ops,

	rtc = devm_rtc_device_register(&dev->dev, "rtc-rp5c01", &rp5c01_rtc_ops,

				  THIS_MODULE);

	if (IS_ERR(rtc)) {

		error = PTR_ERR(rtc);

		goto out_unmap;

		goto out;

	}

	priv->rtc = rtc;



	error = sysfs_create_bin_file(&dev->dev.kobj, &priv->nvram_attr);

	if (error)

		goto out_unregister;

		goto out;



	return 0;



out_unregister:

	rtc_device_unregister(rtc);

out_unmap:

out:

	platform_set_drvdata(dev, NULL);

	iounmap(priv->regs);

out_free_priv:

	kfree(priv);

	return error;

}
@@ -280,9 +273,6 @@ static int __exit rp5c01_rtc_remove(struct platform_device *dev) 
	struct rp5c01_priv *priv = platform_get_drvdata(dev);



	sysfs_remove_bin_file(&dev->dev.kobj, &priv->nvram_attr);

	rtc_device_unregister(priv->rtc);

	iounmap(priv->regs);

	kfree(priv);

	return 0;

}