regulator: ad5398 - fix a memory leak

In current implementation, the address return from regulator_register()
is different from the address for regulator_unregister().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Axel Lin 2010-09-01 10:29:18 +08:00 committed by Liam Girdwood
parent 606b2f490f
commit 58d463eec8

View File

@ -25,7 +25,7 @@ struct ad5398_chip_info {
unsigned int current_level;
unsigned int current_mask;
unsigned int current_offset;
struct regulator_dev rdev;
struct regulator_dev *rdev;
};
static int ad5398_calc_current(struct ad5398_chip_info *chip,
@ -211,7 +211,6 @@ MODULE_DEVICE_TABLE(i2c, ad5398_id);
static int __devinit ad5398_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regulator_dev *rdev;
struct regulator_init_data *init_data = client->dev.platform_data;
struct ad5398_chip_info *chip;
const struct ad5398_current_data_format *df =
@ -233,9 +232,10 @@ static int __devinit ad5398_probe(struct i2c_client *client,
chip->current_offset = df->current_offset;
chip->current_mask = (chip->current_level - 1) << chip->current_offset;
rdev = regulator_register(&ad5398_reg, &client->dev, init_data, chip);
if (IS_ERR(rdev)) {
ret = PTR_ERR(rdev);
chip->rdev = regulator_register(&ad5398_reg, &client->dev,
init_data, chip);
if (IS_ERR(chip->rdev)) {
ret = PTR_ERR(chip->rdev);
dev_err(&client->dev, "failed to register %s %s\n",
id->name, ad5398_reg.name);
goto err;
@ -254,7 +254,7 @@ static int __devexit ad5398_remove(struct i2c_client *client)
{
struct ad5398_chip_info *chip = i2c_get_clientdata(client);
regulator_unregister(&chip->rdev);
regulator_unregister(chip->rdev);
kfree(chip);
i2c_set_clientdata(client, NULL);