int ret;
struct zc_device *zc;
- zc = kzalloc(sizeof(*zc), GFP_KERNEL);
+ zc = devm_kzalloc(&hdev->dev, sizeof(*zc), GFP_KERNEL);
if (zc == NULL) {
hid_err(hdev, "can't alloc descriptor\n");
return -ENOMEM;
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
- goto err_free;
+ return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
- goto err_free;
+ return ret;
}
return 0;
-err_free:
- kfree(zc);
-
- return ret;
-}
-
-static void zc_remove(struct hid_device *hdev)
-{
- struct zc_device *zc = hid_get_drvdata(hdev);
-
- hid_hw_stop(hdev);
- kfree(zc);
}
static const struct hid_device_id zc_devices[] = {
.input_mapping = zc_input_mapping,
.raw_event = zc_raw_event,
.probe = zc_probe,
- .remove = zc_remove,
};
module_hid_driver(zc_driver);