static void __do_poll(struct vub300_mmc_host *vub300)
 {
        /* cmd_mutex is held by vub300_pollwork_thread */
-       long commretval;
+       unsigned long commretval;
        mod_timer(&vub300->inactivity_timer, jiffies + HZ);
        init_completion(&vub300->irqpoll_complete);
        send_irqpoll(vub300);
                vub300->usb_timed_out = 1;
                usb_kill_urb(vub300->command_out_urb);
                usb_kill_urb(vub300->command_res_urb);
-       } else if (commretval < 0) {
-               vub300_queue_poll_work(vub300, 1);
        } else { /* commretval > 0 */
                __vub300_irqpoll_response(vub300);
        }