From dd48ccc491c3c327bef12e4d07bfa4d4266be3b9 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Mon, 29 Apr 2013 16:20:47 -0700 Subject: [PATCH] rtc: rtc-pcf2123: 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 --- drivers/rtc/rtc-pcf2123.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index 02b742afa761..6a3f329c3df4 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -226,7 +226,8 @@ static int pcf2123_probe(struct spi_device *spi) u8 txbuf[2], rxbuf[2]; int ret, i; - pdata = kzalloc(sizeof(struct pcf2123_plat_data), GFP_KERNEL); + pdata = devm_kzalloc(&spi->dev, sizeof(struct pcf2123_plat_data), + GFP_KERNEL); if (!pdata) return -ENOMEM; spi->dev.platform_data = pdata; @@ -281,7 +282,7 @@ static int pcf2123_probe(struct spi_device *spi) pcf2123_delay_trec(); /* Finalize the initialization */ - rtc = rtc_device_register(pcf2123_driver.driver.name, &spi->dev, + rtc = devm_rtc_device_register(&spi->dev, pcf2123_driver.driver.name, &pcf2123_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { @@ -314,7 +315,6 @@ sysfs_exit: device_remove_file(&spi->dev, &pdata->regs[i].attr); kfree_exit: - kfree(pdata); spi->dev.platform_data = NULL; return ret; } @@ -325,15 +325,10 @@ static int pcf2123_remove(struct spi_device *spi) int i; if (pdata) { - struct rtc_device *rtc = pdata->rtc; - - if (rtc) - rtc_device_unregister(rtc); for (i = 0; i < 16; i++) if (pdata->regs[i].name[0]) device_remove_file(&spi->dev, &pdata->regs[i].attr); - kfree(pdata); } return 0; -- 2.20.1