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Commit 4ad21183 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

rtc: rtc-pcf8583: use devm_*() functions 



Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d6fbdc34

drivers/rtc/rtc-pcf8583.c

+7 −17
Original line number Diff line number Diff line
@@ -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;

}