group_cdev 47 drivers/vfio/vfio.c struct cdev group_cdev; group_cdev 2210 drivers/vfio/vfio.c cdev_init(&vfio.group_cdev, &vfio_group_fops); group_cdev 2211 drivers/vfio/vfio.c ret = cdev_add(&vfio.group_cdev, vfio.group_devt, MINORMASK + 1); group_cdev 2240 drivers/vfio/vfio.c cdev_del(&vfio.group_cdev);