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Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/core.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/hw/usb/core.c b/hw/usb/core.c
index a4048fe3e0..9a14a53852 100644
--- a/hw/usb/core.c
+++ b/hw/usb/core.c
@@ -484,12 +484,17 @@ void usb_packet_check_state(USBPacket *p, USBPacketState expected)
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;
}