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Subject[PATCH] regulator: ad5398 - fix a memory leak
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Date
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>
---
drivers/regulator/ad5398.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 15ff61d..a4be416 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -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);

return 0;
--
1.7.2




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