rtc: rtc-fm3130: 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>

diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index 4d4ad3fcb5e95761b0538a24c69b2ee380da40e4..2835fb6c1965a7d1acbaba149f1a387aed9904ce 100644 (file)
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -358,7 +358,7 @@ static int fm3130_probe(struct i2c_client *client,
                        I2C_FUNC_I2C | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
                return -EIO;
 
-       fm3130 = kzalloc(sizeof(struct fm3130), GFP_KERNEL);
+       fm3130 = devm_kzalloc(&client->dev, sizeof(struct fm3130), GFP_KERNEL);
 
        if (!fm3130)
                return -ENOMEM;
@@ -507,7 +507,7 @@ bad_clock:
 
        /* We won't bail out here because we just got invalid data.
           Time setting from u-boot doesn't work anyway */
-       fm3130->rtc = rtc_device_register(client->name, &client->dev,
+       fm3130->rtc = devm_rtc_device_register(&client->dev, client->name,
                                &fm3130_rtc_ops, THIS_MODULE);
        if (IS_ERR(fm3130->rtc)) {
                err = PTR_ERR(fm3130->rtc);
@@ -517,16 +517,11 @@ bad_clock:
        }
        return 0;
 exit_free:
-       kfree(fm3130);
        return err;
 }
 
 static int fm3130_remove(struct i2c_client *client)
 {
-       struct fm3130 *fm3130 = i2c_get_clientdata(client);
-
-       rtc_device_unregister(fm3130->rtc);
-       kfree(fm3130);
        return 0;
 }