static void ehci_free_packet(EHCIPacket *p) { trace_usb_ehci_packet_action(p->queue, p, "free"); if (p->async == EHCI_ASYNC_INFLIGHT) { usb_cancel_packet(&p->packet); usb_packet_unmap(&p->packet, &p->sgl); qemu_sglist_destroy(&p->sgl); QTAILQ_REMOVE(&p->queue->packets, p, next); usb_packet_cleanup(&p->packet); g_free(p);