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| author | Hans de Goede <hdegoede@redhat.com> | 2012-10-24 18:31:17 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-10-25 09:08:12 +0200 |
| commit | 420ca987d5d14fabacdec86c568832d6b0056ca3 (patch) | |
| tree | 8aeee63b577a453b99c94c70af5543f0ae381cc8 /hw/usb/hcd-uhci.c | |
| parent | 8c75a899f85dda9f8305d25f0cc453a79115fd90 (diff) | |
| download | qemu-420ca987d5d14fabacdec86c568832d6b0056ca3.tar.gz | |
uhci: When the guest marks a pending td non-active, cancel the queue
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-uhci.c')
| -rw-r--r-- | hw/usb/hcd-uhci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index c4f2f98f17..592ad8d3e7 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -821,6 +821,10 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr, /* Is active ? */ if (!(td->ctrl & TD_CTRL_ACTIVE)) { + if (async) { + /* Guest marked a pending td non-active, cancel the queue */ + uhci_queue_free(async->queue, "pending td non-active"); + } /* * ehci11d spec page 22: "Even if the Active bit in the TD is already * cleared when the TD is fetched ... an IOC interrupt is generated" |