PVS-Studio warning V607 for DDKSamples

NTSTATUS
UartInitContext(_In_ WDFDEVICE Device)
{
  ....
  pDevExt->WdfDevice;
  ....
}

This suspicious code was found in DDKSamples project by PVS-Studio static code analyzer.
Warning message is:
V607 Ownerless expression 'pDevExt->WdfDevice'. uart16550pc.cpp 58

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/