void usb_packet_set_state(USBPacket *p, USBPacketState state)
{
- USBDevice *dev = p->ep->dev;
- USBBus *bus = usb_bus_from_device(dev);
-
- trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p,
- usb_packet_state_name(p->state),
- usb_packet_state_name(state));
+ if (p->ep) {
+ USBDevice *dev = p->ep->dev;
+ USBBus *bus = usb_bus_from_device(dev);
+ trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p,
+ usb_packet_state_name(p->state),
+ usb_packet_state_name(state));
+ } else {
+ trace_usb_packet_state_change(-1, "", -1, p,
+ usb_packet_state_name(p->state),
+ usb_packet_state_name(state));
+ }
p->state = state;
}