dev_attr_extension 1774 drivers/hid/hid-wiimote-core.c device_remove_file(&wdata->hdev->dev, &dev_attr_extension); dev_attr_extension 1818 drivers/hid/hid-wiimote-core.c ret = device_create_file(&hdev->dev, &dev_attr_extension); dev_attr_extension 1846 drivers/hid/hid-wiimote-core.c device_remove_file(&wdata->hdev->dev, &dev_attr_extension);