+USBDevice *usb_device_by_id(const char* id)
+{
+ USBBus *bus;
+ DeviceState *qdev;
+ USBDevice *dev;
+
+ QTAILQ_FOREACH(bus,&busses, next) {
+ qdev = qdev_find_recursive(&bus->qbus, id);
+ if (qdev != NULL) {
+ dev = DO_UPCAST(USBDevice, qdev, qdev);
+ return dev;
+ }
+ }
You don't need qdev_find_recursive here. Have a look at the usb_info() code to see how to loop over all usb devices. Then compare id with USBDevice->qdev.id.
cheers, Gerd
