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uhci: invalidate queue on device address changes 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-02-05 14:54:14 +01:00
parent f6969b9fef
commit c348e48175
1 changed files with 2 additions and 0 deletions
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2
hw/usb/hcd-uhci.c
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@ -252,9 +252,11 @@ static bool uhci_queue_verify(UHCIQueue *queue, uint32_t qh_addr, UHCI_TD *td,
uint32_t td_addr, bool queuing)
{
UHCIAsync *first = QTAILQ_FIRST(&queue->asyncs);
uint32_t queue_token_addr = (queue->token >> 8) & 0x7f;
return queue->qh_addr == qh_addr &&
queue->token == uhci_queue_token(td) &&
queue_token_addr == queue->ep->dev->addr &&
(queuing || !(td->ctrl & TD_CTRL_ACTIVE) || first == NULL ||
first->td_addr == td_addr);
}