diff options
Diffstat (limited to 'hw/usb')
| -rw-r--r-- | hw/usb/hcd-ehci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 9ca7b87..56ab2f4 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -1838,6 +1838,9 @@ static int ehci_state_fetchqtd(EHCIQueue *q) ehci_set_state(q->ehci, q->async, EST_EXECUTING); break; } + } else if (q->dev == NULL) { + ehci_trace_guest_bug(q->ehci, "no device attached to queue"); + ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); } else { p = ehci_alloc_packet(q); p->qtdaddr = q->qtdaddr; |