diff options
| -rw-r--r-- | hw/usb/hcd-ehci.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 0d315971a9..04301ce173 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -461,6 +461,7 @@ static bool ehci_verify_qtd(EHCIPacket *p, EHCIqtd *qtd) (p->queue->async && !NLPTR_TBIT(p->qtd.next) && (p->qtd.next != qtd->next)) || (!NLPTR_TBIT(p->qtd.altnext) && (p->qtd.altnext != qtd->altnext)) || + p->qtd.token != qtd->token || p->qtd.bufptr[0] != qtd->bufptr[0]) { return false; } else { @@ -1793,7 +1794,9 @@ static int ehci_state_fetchqtd(EHCIQueue *q) if (p != NULL) { if (!ehci_verify_qtd(p, &qtd)) { ehci_cancel_queue(q); - ehci_trace_guest_bug(q->ehci, "guest updated active QH or qTD"); + if (qtd.token & QTD_TOKEN_ACTIVE) { + ehci_trace_guest_bug(q->ehci, "guest updated active qTD"); + } p = NULL; } else { p->qtd = qtd; @@ -1802,11 +1805,6 @@ static int ehci_state_fetchqtd(EHCIQueue *q) } if (!(qtd.token & QTD_TOKEN_ACTIVE)) { - if (p != NULL) { - /* transfer canceled by guest (clear active) */ - ehci_cancel_queue(q); - p = NULL; - } ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); } else if (p != NULL) { switch (p->async) { |