int i;
 
        dprintk("Stopping isoc\n");
-       for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
+       for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
                if (!irqs_disabled())
                        usb_kill_urb(dev->adev.urb[i]);
                else
                dev->adev.transfer_buffer[i] = NULL;
        }
 
-       dev->isoc_ctl.num_bufs = 0;
        return 0;
 }
 
 
        dprintk("Starting isoc transfers\n");
 
-       dev->isoc_ctl.num_bufs = 0;
-
        for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
                struct urb *urb;
                int j, k;
        for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
                errCode = usb_submit_urb(dev->adev.urb[i], GFP_ATOMIC);
                if (errCode) {
-                       if (dev->isoc_ctl.num_bufs == 0) {
-                               usb_free_urb(dev->adev.urb[i]);
-                               dev->adev.urb[i] = NULL;
-                               kfree(dev->adev.transfer_buffer[i]);
-                               dev->adev.transfer_buffer[i] = NULL;
-                       } else
-                               em28xx_isoc_audio_deinit(dev);
+                       em28xx_isoc_audio_deinit(dev);
 
                        return errCode;
                }
-               mutex_lock(&dev->lock);
-               dev->isoc_ctl.num_bufs++;
-               mutex_unlock(&dev->lock);
        }
 
        return 0;