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max17042_battery: Use devm_kzalloc() where applicable 

This allows us to simplify probe and exit function.

Signed-off-by: Karol Lewandowski <k.lewandowsk@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Karol Lewandowski 2012-02-22 19:06:20 +01:00 committed by Anton Vorontsov
parent 13e0aa469e
commit 2f3b43423c
1 changed files with 2 additions and 5 deletions
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7
drivers/power/max17042_battery.c
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@ -619,7 +619,7 @@ static int __devinit max17042_probe(struct i2c_client *client,
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA))
return -EIO;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
@ -676,10 +676,8 @@ static int __devinit max17042_probe(struct i2c_client *client,
}
ret = power_supply_register(&client->dev, &chip->battery);
if (ret) {
if (ret)
dev_err(&client->dev, "failed: power supply register\n");
kfree(chip);
}
return ret;
}
@ -688,7 +686,6 @@ static int __devexit max17042_remove(struct i2c_client *client)
struct max17042_chip *chip = i2c_get_clientdata(client);
power_supply_unregister(&chip->battery);
kfree(chip);
return 0;
}