From: Hans de Goede <hdego...@redhat.com> This way the hcd can re-use the same packet to retry without needing to re-init it.
Signed-off-by: Hans de Goede <hdego...@redhat.com> Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- hw/usb/core.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/usb/core.c b/hw/usb/core.c index 2da38e7..be6d936 100644 --- a/hw/usb/core.c +++ b/hw/usb/core.c @@ -399,8 +399,10 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p) * otherwise packets can complete out of order! */ assert(!p->ep->pipeline); - p->result = ret; - usb_packet_set_state(p, USB_PACKET_COMPLETE); + if (ret != USB_RET_NAK) { + p->result = ret; + usb_packet_set_state(p, USB_PACKET_COMPLETE); + } } } else { ret = USB_RET_ASYNC; -- 1.7.1