150     QTAILQ_HEAD(, USBHostIsoXfer)    inflight;
503     bool inflight = (r->p && r->p->state == USB_PACKET_ASYNC);  in usb_host_req_abort()  local
505     if (inflight) {  in usb_host_req_abort()
534     QTAILQ_REMOVE(&xfer->ring->inflight, xfer, next);  in usb_host_req_complete_iso()
535     if (QTAILQ_EMPTY(&xfer->ring->inflight)) {  in usb_host_req_complete_iso()
558     QTAILQ_INIT(&ring->inflight);  in usb_host_iso_alloc()
606 static void usb_host_iso_free_xfer(USBHostIsoXfer *xfer, bool inflight)  in usb_host_iso_free_xfer()  argument
608     if (inflight) {  in usb_host_iso_free_xfer()
621     while ((xfer = QTAILQ_FIRST(&ring->inflight)) != NULL) {  in usb_host_iso_free()
622         QTAILQ_REMOVE(&ring->inflight, xfer, next);  in usb_host_iso_free()
707         if (QTAILQ_EMPTY(&ring->inflight)) {  in usb_host_iso_data_in()
710         QTAILQ_INSERT_TAIL(&ring->inflight, xfer, next);  in usb_host_iso_data_in()
748     if (QTAILQ_EMPTY(&ring->inflight)) {  in usb_host_iso_data_out()
769         if (QTAILQ_EMPTY(&ring->inflight)) {  in usb_host_iso_data_out()
772         QTAILQ_INSERT_TAIL(&ring->inflight, xfer, next);  in usb_host_iso_data_out()