unregister_chrdev(portdev->chr_major, "virtio-portsdev");
+ /*
+ * When yanking out a device, we immediately lose the
+ * (device-side) queues. So there's no point in keeping the
+ * guest side around till we drop our final reference. This
+ * also means that any ports which are in an open state will
+ * have to just stop using the port, as the vqs are going
+ * away.
+ */
if (use_multiport(portdev)) {
struct port_buffer *buf;
unsigned int len;