--- drivers/staging/usbip/vhci_hcd.c

+++ drivers/staging/usbip/vhci_hcd.c

@@ -163,6 +163,8 @@ void rh_port_disconnect(int rhport)

* spin_unlock(&vdev->ud.lock); */

spin_unlock_irqrestore(&the_controller->lock, flags);

+

+ usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));

}