PnpInvalidateRelationsInList

__int64 __fastcall PnpInvalidateRelationsInList(
        _RELATION_LIST *List,
        PNP_DEVICE_DELETE_TYPE OperationCode,
        char a3,
        char a4){
  _FILE_OBJECT *RelationList; 
  _DEVICE_OBJECT_LIST *DeviceObjectList; 
  unsigned int i; 
  __int64 v11; 
  _DEVICE_TAGGED_FOR_REMOVAL v12; 
  _DEVICE_OBJECT *j; 
  __int64 v14; 
  _DEVOBJ_EXTENSION *DeviceObjectExtension; 
  _DWORD *DeviceNode; 
  __int64 v18; 
  int v19; 
  int v20; 
  _DEVICE_RELATION_LEVEL RelationLevel; 
  _DEVICE_TAGGED_FOR_REMOVAL Tagged; 
  _RELATION_LIST_MARKER Marker; 
  _DEVICE_OBJECT *DeviceObject[2]; 

  DeviceObject[0] = 0i64;
  Tagged = DEVICE_UNTAGGED;
  RelationLevel = RELATION_LEVEL_REMOVE_EJECT;
  RelationList = (_FILE_OBJECT *)IopAllocateRelationList(OperationCode);
  if( !RelationList )
    return 3221225626i64;
  DeviceObjectList = List->DeviceObjectList;
  for( i = 0; i < List->DeviceObjectList->Count; DeviceObjectList = List->DeviceObjectList )
  {
    v11 = i++;
    DeviceObjectList->Devices[v11].Flags &= ~1u;
  }
  DeviceObjectList->TagCount = 0;
  Marker = 0i64;
LABEL_5:
  while( IopEnumerateRelations(List, &Marker, DeviceObject, &RelationLevel, &Tagged) )
  {
    if( (!a3 || RelationLevel == RELATION_LEVEL_REMOVE_EJECT) && Tagged == DEVICE_UNTAGGED )
    {
      for( j = DeviceObject[0]; ; j = *(_DEVICE_OBJECT **)(v18 + 32) )
      {
        if( IopSetRelationsTag(List, j, v12) )
        {
LABEL_11:
          if( j )
            IopAddRelationToList(RelationList, (_SHARE_ACCESS *)j);
          goto LABEL_5;
        }
        DeviceObjectExtension = j->DeviceObjectExtension;
        DeviceNode = DeviceObjectExtension->DeviceNode;
        if( a4 )
        {
          PipClearDevNodeFlags((_DEVICE_NODE *)DeviceObjectExtension->DeviceNode, 0x80000ui64);
          v19 = DeviceNode[99];
          if( (v19 & 0x10) != 0 )
          {
            if( (v19 & 0x2000) != 0 && DeviceNode[101] == 47 )
            {
              v20 = 3;
            }
            else
            {
              if( OperationCode != EjectDevice )
                goto LABEL_17;
              v20 = 12;
            }
            PnpRequestDeviceAction(j, v20, 1, 0i64, 0i64, 0i64, 0i64);
          }
        }
LABEL_17:
        v18 = *((_QWORD *)DeviceNode + 2);
        if( !v18 )
        {
          j = 0i64;
          goto LABEL_11;
        }
      }
    }
  }
  Marker = 0i64;
  while( IopEnumerateRelations((_RELATION_LIST *)RelationList, &Marker, DeviceObject, 0i64, 0i64) )
    PnpRequestDeviceAction(DeviceObject[0], 9, 0, v14, 0i64, 0i64, 0i64);
  IopFreeRelationList((_RELATION_LIST *)RelationList);
  return 0i64;
}

Referenced by: