IopCombineLegacyResources

_CM_RESOURCE_LIST *__stdcall IopCombineLegacyResources(_DEVICE_NODE *DeviceNode){
  _CM_RESOURCE_LIST *v1; 
  unsigned int v2; 
  _DEVICE_NODE *v3; 
  _DEVICE_NODE *NextResourceDeviceNode; 
  _CM_RESOURCE_LIST *ResourceList; 
  VOID **PoolWithTag; 
  char *v7; 
  _CM_RESOURCE_LIST *v8; 
  int v9; 
  __int64 v10; 

  v1 = 0i64;
  v2 = 0;
  v3 = DeviceNode;
  NextResourceDeviceNode = DeviceNode;
  if( DeviceNode )
  {
    do
    {
      ResourceList = NextResourceDeviceNode->ResourceList;
      if( ResourceList )
        v2 += PnpDetermineResourceListSize(ResourceList);
      NextResourceDeviceNode = NextResourceDeviceNode->OverUsed2.NextResourceDeviceNode;
    }
    while( NextResourceDeviceNode );
    if( v2 )
    {
      PoolWithTag = ExAllocatePoolWithTag(1ui64, v2, 538996816i64);
      v1 = (_CM_RESOURCE_LIST *)PoolWithTag;
      if( PoolWithTag )
      {
        *(_DWORD *)PoolWithTag = 0;
        v7 = (char *)PoolWithTag + 4;
        do
        {
          v8 = v3->ResourceList;
          if( v8 )
          {
            v9 = PnpDetermineResourceListSize(&v3->ResourceList->Count);
            if( v9 )
            {
              v10 = (unsigned int)(v9 - 4);
              memmove(v7, v8->List, v9 - 4);
              v7 += v10;
              v1->Count += v3->ResourceList->Count;
            }
          }
          v3 = v3->OverUsed2.NextResourceDeviceNode;
        }
        while( v3 );
      }
    }
  }
  return v1;
}

Referenced by: