PnpGetRelatedTargetDevice

__int64 __fastcall PnpGetRelatedTargetDevice(_FILE_OBJECT *FileObject, _QWORD *a2, INT64 a3){
  UINT8 v5; 
  _DEVICE_OBJECT *v6; 
  _DEVICE_OBJECT *v7; 
  __int64 v8; 
  __int64 result; 
  unsigned int v10; 
  __int64 v11; 
  __int64 v12; 
  _IO_STACK_LOCATION TopStackLocation; 
  PVOID P; 

  P = 0i64;
  *a2 = 0i64;
  v5 = KeAcquireQueuedSpinLock(10i64, (INT64)a2, a3);
  LODWORD(v6) = IoGetRelatedDeviceObject((INT64)FileObject);
  v7 = v6;
  KeReleaseQueuedSpinLock(LockQueueIoDatabaseLock, v5);
  if( !v7 )
    return 3221225486i64;
  memset(&TopStackLocation, 0i64, sizeof(TopStackLocation));
  *(_WORD *)&TopStackLocation.MajorFunction = 1819;
  LODWORD(TopStackLocation.Parameters.SecurityContext) = 4;
  TopStackLocation.DeviceObject = v7;
  TopStackLocation.FileObject = FileObject;
  result = PnpSendIrp(v7, &TopStackLocation, v8, 0i64, (UINT64 *)&P);
  v10 = result;
  if( (int)result < 0 )
    return result;
  if( !P )
    return 3221225486i64;
  v11 = *(_DWORD *)P == 1 ? *((_QWORD *)P + 1) : 0i64;
  ExFreePoolWithTag(P, 0);
  if( !v11 )
    return 3221225486i64;
  v12 = *(_QWORD *)(*(_QWORD *)(v11 + 312) + 40i64);
  if( !v12 )
    return 3221225486i64;
  *a2 = v12;
  return v10;
}

Referenced by: