hwmon: (amc6821) 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>
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9cc7dcc523
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f9286434ea
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@ -862,12 +862,10 @@ static int amc6821_probe(
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struct amc6821_data *data;
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int err;
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data = kzalloc(sizeof(struct amc6821_data), GFP_KERNEL);
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if (!data) {
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dev_err(&client->dev, "out of memory.\n");
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data = devm_kzalloc(&client->dev, sizeof(struct amc6821_data),
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GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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}
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i2c_set_clientdata(client, data);
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mutex_init(&data->update_lock);
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@ -877,11 +875,11 @@ static int amc6821_probe(
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*/
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err = amc6821_init_client(client);
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if (err)
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goto err_free;
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return err;
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err = sysfs_create_group(&client->dev.kobj, &amc6821_attr_grp);
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if (err)
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goto err_free;
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return err;
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data->hwmon_dev = hwmon_device_register(&client->dev);
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if (!IS_ERR(data->hwmon_dev))
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@ -890,8 +888,6 @@ static int amc6821_probe(
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err = PTR_ERR(data->hwmon_dev);
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dev_err(&client->dev, "error registering hwmon device.\n");
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sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp);
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err_free:
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kfree(data);
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return err;
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}
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@ -902,8 +898,6 @@ static int amc6821_remove(struct i2c_client *client)
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hwmon_device_unregister(data->hwmon_dev);
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sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp);
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kfree(data);
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return 0;
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}
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