ExCallCallBack

NTSTATUS __stdcall ExCallCallBack(_EX_CALLBACK *CallBack, VOID *Argument1, VOID *Argument2){
  _EX_RUNDOWN_REF *v6; 
  _EX_RUNDOWN_REF *v7; 
  NTSTATUS v8; 

  v6 = ExReferenceCallBackBlock((INT64 *)CallBack);
  v7 = v6;
  if( !v6 )
    return -1073741811;
  v8 = ((__int64(__fastcall *)(unsigned __int64, VOID *, VOID *))v6[1].Count)(v6[2].Count, Argument1, Argument2);
  ExDereferenceCallBackBlock(CallBack, v7);
  return v8;
}

Referenced by:

NtFindAtom
PsInvokeWin32Callout