Commit 2a444cf7 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

rtc: rtc-ds2404: 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 1ce95ba7

drivers/rtc/rtc-ds2404.c

+3 −9
Original line number Diff line number Diff line
@@ -228,7 +228,7 @@ static int rtc_probe(struct platform_device *pdev) 
	struct ds2404 *chip;

	int retval = -EBUSY;



	chip = kzalloc(sizeof(struct ds2404), GFP_KERNEL);

	chip = devm_kzalloc(&pdev->dev, sizeof(struct ds2404), GFP_KERNEL);

	if (!chip)

		return -ENOMEM;
@@ -244,8 +244,8 @@ static int rtc_probe(struct platform_device *pdev) 


	platform_set_drvdata(pdev, chip);



	chip->rtc = rtc_device_register("ds2404",

				&pdev->dev, &ds2404_rtc_ops, THIS_MODULE);

	chip->rtc = devm_rtc_device_register(&pdev->dev, "ds2404",

					&ds2404_rtc_ops, THIS_MODULE);

	if (IS_ERR(chip->rtc)) {

		retval = PTR_ERR(chip->rtc);

		goto err_io;
@@ -257,20 +257,14 @@ static int rtc_probe(struct platform_device *pdev) 
err_io:

	chip->ops->unmap_io(chip);

err_chip:

	kfree(chip);

	return retval;

}



static int rtc_remove(struct platform_device *dev)

{

	struct ds2404 *chip = platform_get_drvdata(dev);

	struct rtc_device *rtc = chip->rtc;



	if (rtc)

		rtc_device_unregister(rtc);



	chip->ops->unmap_io(chip);

	kfree(chip);



	return 0;

}