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authorJingoo Han <jg1.han@samsung.com>2013-04-30 03:20:50 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 05:28:38 +0400
commit4ad21183da64a27fbe4bb547ae385ad1ff912690 (patch)
treeaadcf9b4598eec1ce4ae4fe6a554a0a5a20266ab /drivers/rtc/rtc-pcf8583.c
parentd6fbdc34c2eb7ad1309eaf83ead60dabf6e85352 (diff)
downloadlinux-4ad21183da64a27fbe4bb547ae385ad1ff912690.tar.xz
rtc: rtc-pcf8583: 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>
Diffstat (limited to 'drivers/rtc/rtc-pcf8583.c')
-rw-r--r--drivers/rtc/rtc-pcf8583.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index 5f97c61247d5..95886dcf4a39 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -268,39 +268,29 @@ static int pcf8583_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct pcf8583 *pcf8583;
- int err;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
return -ENODEV;
- pcf8583 = kzalloc(sizeof(struct pcf8583), GFP_KERNEL);
+ pcf8583 = devm_kzalloc(&client->dev, sizeof(struct pcf8583),
+ GFP_KERNEL);
if (!pcf8583)
return -ENOMEM;
i2c_set_clientdata(client, pcf8583);
- pcf8583->rtc = rtc_device_register(pcf8583_driver.driver.name,
- &client->dev, &pcf8583_rtc_ops, THIS_MODULE);
+ pcf8583->rtc = devm_rtc_device_register(&client->dev,
+ pcf8583_driver.driver.name,
+ &pcf8583_rtc_ops, THIS_MODULE);
- if (IS_ERR(pcf8583->rtc)) {
- err = PTR_ERR(pcf8583->rtc);
- goto exit_kfree;
- }
+ if (IS_ERR(pcf8583->rtc))
+ return PTR_ERR(pcf8583->rtc);
return 0;
-
-exit_kfree:
- kfree(pcf8583);
- return err;
}
static int pcf8583_remove(struct i2c_client *client)
{
- struct pcf8583 *pcf8583 = i2c_get_clientdata(client);
-
- if (pcf8583->rtc)
- rtc_device_unregister(pcf8583->rtc);
- kfree(pcf8583);
return 0;
}