hwmon: (emc2103) Convert to use devm_ functions

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

Cc: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
index 7bb8e88..77f434c 100644 (file)
--- a/drivers/hwmon/emc2103.c
+++ b/drivers/hwmon/emc2103.c
@@ -590,7 +590,8 @@ emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id)
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                return -EIO;
 
-       data = kzalloc(sizeof(struct emc2103_data), GFP_KERNEL);
+       data = devm_kzalloc(&client->dev, sizeof(struct emc2103_data),
+                           GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
@@ -608,7 +609,7 @@ emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id)
                if (status < 0) {
                        dev_dbg(&client->dev, "reg 0x%02x, err %d\n", REG_CONF1,
                                status);
-                       goto exit_free;
+                       return status;
                }
 
                /* detect current state of hardware */
@@ -631,7 +632,7 @@ emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id)
        /* Register sysfs hooks */
        status = sysfs_create_group(&client->dev.kobj, &emc2103_group);
        if (status)
-               goto exit_free;
+               return status;
 
        if (data->temp_count >= 3) {
                status = sysfs_create_group(&client->dev.kobj,
@@ -666,8 +667,6 @@ exit_remove_temp3:
                sysfs_remove_group(&client->dev.kobj, &emc2103_temp3_group);
 exit_remove:
        sysfs_remove_group(&client->dev.kobj, &emc2103_group);
-exit_free:
-       kfree(data);
        return status;
 }
 
@@ -685,7 +684,6 @@ static int emc2103_remove(struct i2c_client *client)
 
        sysfs_remove_group(&client->dev.kobj, &emc2103_group);
 
-       kfree(data);
        return 0;
 }