PnpDeleteLockedDeviceNodes

__int64 __fastcall PnpDeleteLockedDeviceNodes(
        _DEVICE_OBJECT *DeviceObject,
        _RELATION_LIST *DeviceRelations,
        _PNP_DEVICE_DELETE_TYPE OperationCode,
        int ProcessDeviceRelations,
        unsigned int Problem,
        int ProblemStatus,
        _PNP_VETO_TYPE *VetoType,
        _UNICODE_STRING *VetoName){
  unsigned int v8; 
  char v9; 
  _DEVICE_OBJECT *v12; 
  unsigned int v13; 
  __int64 v14; 
  ULONG_PTR v15; 
  unsigned int v16; 
  int v17; 
  __int64 v19; 
  _DEVICE_OBJECT_LIST *DeviceObjectList; 
  INT64 v21; 
  _DEVICE_NODE *v22; 
  int a2[2]; 
  __int64 a3; 
  int a4; 
  char v27; 
  v27 = ProcessDeviceRelations;
  v8 = 0;
  v9 = ProcessDeviceRelations;
  v12 = DeviceObject;
  v13 = 0;
  a3 = 0i64;
  a4 = 0;
  if( DeviceRelations->Sorted )
  {
    *(_QWORD *)a2 = 1i64;
    while( 1 )
    {
      do
      {
        if( !IopEnumerateRelations((unsigned int **)DeviceRelations, a2, &a3, &a4, 0i64) )
          return v13;
      }
      while( !a4 && !v9 );
      v14 = a3;
      v15 = a3 ? *(_QWORD *)(*(_QWORD *)(a3 + 312) + 40i64) : 0i64;
      if( Problem == 54 )
        break;
      if( (_DEVICE_OBJECT *)a3 == v12 )
      {
        v16 = Problem;
LABEL_10:
        v8 = ProblemStatus;
        goto LABEL_11;
      }
      if( a4 != 1 || (v16 = 51, OperationCode == CancelRemoveDevice) )
        v16 = 0;
LABEL_11:
      if( (unsigned int)(OperationCode - 2) <= 1 )
      {
        PiUpdateGuestAssignedState(v15, 0);
        if( OperationCode == RemoveDevice && (*(_DWORD *)(v15 + 704) & 2) != 0 )
        {
          v8 = 0;
LABEL_27:
          v12 = DeviceObject;
          goto LABEL_16;
        }
      }
      v17 = PnpDeleteLockedDeviceNode((_DEVICE_NODE *)v15, OperationCode, v16, v8, VetoType, VetoName);
      v8 = 0;
      v13 = v17;
      if( OperationCode == QueryRemoveDevice && Problem == 54 && v17 == -1073740537 )
      {
        if( PipIsDeviceInDeviceObjectList(
               (INT64 *)DeviceRelations->DeviceObjectList,
               *(_QWORD *)(*(_QWORD *)(v15 + 16) + 32i64),
               0i64) )
        {
          *(_DWORD *)(v19 + 704) |= 2u;
        }
        v13 = 0;
        goto LABEL_27;
      }
      v12 = DeviceObject;
      if( v17 < 0 )
      {
        if( (*(_DWORD *)(v15 + 704) & 4) == 0 )
          KeBugCheckEx(0xCAu, 0xDui64, v15, 4ui64, 0i64);
        PoFxIdleDevice(*(DEVICE_OBJECT **)(v15 + 32));
        *(_DWORD *)(v15 + 704) &= ~4u;
        if( a2[0] == 1 && a2[1] )
        {
          DeviceObjectList = DeviceRelations->DeviceObjectList;
          a2[0] = 2;
          a2[1] = DeviceObjectList->Count - a2[1];
        }
        else
        {
          *(_QWORD *)a2 = 3i64;
        }
        while( IopEnumerateRelations((unsigned int **)DeviceRelations, a2, &a3, 0i64, 0i64) )
        {
          if( v14 != a3 )
          {
            if( a3 )
              v22 = *(_DEVICE_NODE **)(*(_QWORD *)(a3 + 312) + 40i64);
            else
              v22 = 0i64;
            PnpDeleteLockedDeviceNode(v22, CancelRemoveDevice, 0i64, v21, VetoType, VetoName);
          }
        }
        return(unsigned int)-2147483608;
      }
LABEL_16:
      v9 = v27;
    }
    v16 = 54;
    goto LABEL_10;
  }
  return(unsigned int)-1073741823;
}

Referenced by: