From: Hans de Goede <hdego...@redhat.com> This can happen with usb-redir live-migration when the packet gets re-queued after the migration and the original queuing from the migration source side has already finished.
Signed-off-by: Hans de Goede <hdego...@redhat.com> Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- hw/usb/core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/hw/usb/core.c b/hw/usb/core.c index fe431d0..b9f1f7a 100644 --- a/hw/usb/core.c +++ b/hw/usb/core.c @@ -398,7 +398,7 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p) * When pipelining is enabled usb-devices must always return async, * otherwise packets can complete out of order! */ - assert(!p->ep->pipeline); + assert(!p->ep->pipeline || QTAILQ_EMPTY(&p->ep->queue)); if (ret != USB_RET_NAK) { p->result = ret; usb_packet_set_state(p, USB_PACKET_COMPLETE); -- 1.7.1