PVS-Studio warning V595 for IPP Samples

GSMAMR_CODECFUN(  APIGSMAMR_Status, apiGSMAMREncode,
         (GSMAMREncoder_Obj* encoderObj,const Ipp16s* src,
          GSMAMR_Rate_t rate, Ipp8u* dst, Ipp32s *pVad ))
{
  ...
  Ipp16s *pNewSpeech = encoderObj->stEncState.pSpeechPtrNew;

  if (NULL==encoderObj || NULL==src || NULL ==dst )
    return APIGSMAMR_StsBadArgErr;
  ...
}

This suspicious code was found in IPP Samples project by PVS-Studio static code analyzer.
Warning message is:
V595 The 'encoderObj' pointer was utilized before it was verified against nullptr. Check lines: 296, 298. speech encgsmamr.c 296

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/