From: Jingoo Han Date: Mon, 29 Apr 2013 23:20:40 +0000 (-0700) Subject: rtc: rtc-ds2404: use devm_*() functions X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2a444cf77cb584485aea4f1ee5538a5dee705e99;p=linux-beck.git rtc: rtc-ds2404: use devm_*() functions Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/rtc/rtc-ds2404.c b/drivers/rtc/rtc-ds2404.c index b04fc4272fb3..2ca5a23aba8a 100644 --- a/drivers/rtc/rtc-ds2404.c +++ b/drivers/rtc/rtc-ds2404.c @@ -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; }