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rtc: rtc-pcf8563: use devm_*() functions

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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>
This commit is contained in:
Jingoo Han 2013-04-29 16:20:49 -07:00 committed by Linus Torvalds
parent 76753caf70
commit d6fbdc34c2
1 changed files with 7 additions and 21 deletions
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28
drivers/rtc/rtc-pcf8563.c
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@ -245,14 +245,13 @@ static int pcf8563_probe(struct i2c_client *client,
{
struct pcf8563 *pcf8563;
int err = 0;
dev_dbg(&client->dev, "%s\n", __func__);
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
return -ENODEV;
pcf8563 = kzalloc(sizeof(struct pcf8563), GFP_KERNEL);
pcf8563 = devm_kzalloc(&client->dev, sizeof(struct pcf8563),
GFP_KERNEL);
if (!pcf8563)
return -ENOMEM;
@ -260,31 +259,18 @@ static int pcf8563_probe(struct i2c_client *client,
i2c_set_clientdata(client, pcf8563);
pcf8563->rtc = rtc_device_register(pcf8563_driver.driver.name,
&client->dev, &pcf8563_rtc_ops, THIS_MODULE);
pcf8563->rtc = devm_rtc_device_register(&client->dev,
pcf8563_driver.driver.name,
&pcf8563_rtc_ops, THIS_MODULE);
if (IS_ERR(pcf8563->rtc)) {
err = PTR_ERR(pcf8563->rtc);
goto exit_kfree;
}
if (IS_ERR(pcf8563->rtc))
return PTR_ERR(pcf8563->rtc);
return 0;
exit_kfree:
kfree(pcf8563);
return err;
}
static int pcf8563_remove(struct i2c_client *client)
{
struct pcf8563 *pcf8563 = i2c_get_clientdata(client);
if (pcf8563->rtc)
rtc_device_unregister(pcf8563->rtc);
kfree(pcf8563);
return 0;
}