hwmon: (lm75) Convert to use devm_ functions

Convert to use devm_ functions to reduce code size and simplify the code.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index a83f206..291edff 100644 (file)
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -156,7 +156,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
                        I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
                return -EIO;
 
-       data = kzalloc(sizeof(struct lm75_data), GFP_KERNEL);
+       data = devm_kzalloc(&client->dev, sizeof(struct lm75_data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
@@ -174,7 +174,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
        status = lm75_read_value(client, LM75_REG_CONF);
        if (status < 0) {
                dev_dbg(&client->dev, "Can't read config? %d\n", status);
-               goto exit_free;
+               return status;
        }
        data->orig_conf = status;
        new = status & ~clr_mask;
@@ -186,7 +186,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
        /* Register sysfs hooks */
        status = sysfs_create_group(&client->dev.kobj, &lm75_group);
        if (status)
-               goto exit_free;
+               return status;
 
        data->hwmon_dev = hwmon_device_register(&client->dev);
        if (IS_ERR(data->hwmon_dev)) {
@@ -201,8 +201,6 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 exit_remove:
        sysfs_remove_group(&client->dev.kobj, &lm75_group);
-exit_free:
-       kfree(data);
        return status;
 }
 
@@ -213,7 +211,6 @@ static int lm75_remove(struct i2c_client *client)
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &lm75_group);
        lm75_write_value(client, LM75_REG_CONF, data->orig_conf);
-       kfree(data);
        return 0;
 }