kfree(i2c_get_clientdata(client));
kfree(data);
static int lm80_detach_client(struct i2c_client *client){	int err;	if ((err = i2c_detach_client(client))) {		dev_err(&client->dev, "Client deregistration failed, "			"client not detached.\n");		return err;	}	kfree(i2c_get_clientdata(client));	return 0;}