IopDecrementDeviceObjectHandleCount

VOID __stdcall IopDecrementDeviceObjectHandleCount(_DEVICE_OBJECT *DeviceObject){
  IopDecrementDeviceObjectRef(DeviceObject, 0, 0);
}

Referenced by:

IopRemoveDevice
PiIrpQueryRemoveDevice
PnpSurpriseRemoveLockedDeviceNode