From 1ce95ba7441240fef3becbf0d5be98141c45f0a5 Mon Sep 17 00:00:00 2001
From: Jingoo Han <jg1.han@samsung.com>
Date: Mon, 29 Apr 2013 16:20:39 -0700
Subject: [PATCH] rtc: rtc-ds1390: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/rtc/rtc-ds1390.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index 11b70763bb53b..289af419dff46 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -131,7 +131,7 @@ static int ds1390_probe(struct spi_device *spi)
spi->bits_per_word = 8;
spi_setup(spi);
- chip = kzalloc(sizeof *chip, GFP_KERNEL);
+ chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL);
if (!chip) {
dev_err(&spi->dev, "unable to allocate device memory\n");
return -ENOMEM;
@@ -141,16 +141,14 @@ static int ds1390_probe(struct spi_device *spi)
res = ds1390_get_reg(&spi->dev, DS1390_REG_SECONDS, &tmp);
if (res != 0) {
dev_err(&spi->dev, "unable to read device\n");
- kfree(chip);
return res;
}
- chip->rtc = rtc_device_register("ds1390",
- &spi->dev, &ds1390_rtc_ops, THIS_MODULE);
+ chip->rtc = devm_rtc_device_register(&spi->dev, "ds1390",
+ &ds1390_rtc_ops, THIS_MODULE);
if (IS_ERR(chip->rtc)) {
dev_err(&spi->dev, "unable to register device\n");
res = PTR_ERR(chip->rtc);
- kfree(chip);
}
return res;
@@ -158,11 +156,6 @@ static int ds1390_probe(struct spi_device *spi)
static int ds1390_remove(struct spi_device *spi)
{
- struct ds1390 *chip = spi_get_drvdata(spi);
-
- rtc_device_unregister(chip->rtc);
- kfree(chip);
-
return 0;
}
--
2.30.2