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hwmon: (max16065) Convert to use devm_kzalloc

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Marginally less code and eliminate the possibility of memory leaks.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-02-22 08:56:46 -08:00 committed by Guenter Roeck
parent b8a5a7cebd
commit 918ddef35f
1 changed files with 7 additions and 16 deletions
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23
drivers/hwmon/max16065.c
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@ -554,7 +554,7 @@ static int max16065_probe(struct i2c_client *client,
| I2C_FUNC_SMBUS_READ_WORD_DATA))
return -ENODEV;
data = kzalloc(sizeof(*data), GFP_KERNEL);
data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (unlikely(!data))
return -ENOMEM;
@ -567,20 +567,16 @@ static int max16065_probe(struct i2c_client *client,
if (have_secondary) {
val = i2c_smbus_read_byte_data(client, MAX16065_SW_ENABLE);
if (unlikely(val < 0)) {
ret = val;
goto out_free;
}
if (unlikely(val < 0))
return val;
secondary_is_max = val & MAX16065_WARNING_OV;
}
/* Read scale registers, convert to range */
for (i = 0; i < DIV_ROUND_UP(data->num_adc, 4); i++) {
val = i2c_smbus_read_byte_data(client, MAX16065_SCALE(i));
if (unlikely(val < 0)) {
ret = val;
goto out_free;
}
if (unlikely(val < 0))
return val;
for (j = 0; j < 4 && i * 4 + j < data->num_adc; j++) {
data->range[i * 4 + j] =
max16065_adc_range[(val >> (j * 2)) & 0x3];
@ -595,10 +591,8 @@ static int max16065_probe(struct i2c_client *client,
for (j = 0; j < data->num_adc; j++) {
val = i2c_smbus_read_byte_data(client,
MAX16065_LIMIT(i, j));
if (unlikely(val < 0)) {
ret = val;
goto out_free;
}
if (unlikely(val < 0))
return val;
data->limit[i][j] = LIMIT_TO_MV(val, data->range[j]);
}
}
@ -661,8 +655,6 @@ static int max16065_probe(struct i2c_client *client,
out:
max16065_cleanup(client);
out_free:
kfree(data);
return ret;
}
@ -672,7 +664,6 @@ static int max16065_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
max16065_cleanup(client);
kfree(data);
return 0;
}