CmDeleteInstallerClassWorker

NTSTATUS __stdcall CmDeleteInstallerClassWorker(HPNPCTX *hPnpCtx, WCHAR *ClassGuid, UINT64 Flags){
  NTSTATUS v3; 
  NTSTATUS MatchingFilteredDeviceList; 
  UINT64 v7; 
  __int64 *v8; 
  unsigned int v9; 
  _CM_KEY_TYPE v10; 
  NTSTATUS v11; 
  _DEVPROPKEY *PoolWithTag; 
  NTSTATUS InstallerClassMappedPropertyKeys; 
  UINT64 v14; 
  unsigned int v15; 
  unsigned __int64 v16; 
  __int64 v17; 
  NTSTATUS v18; 
  _CM_OBJECT_TYPE v19; 
  UINT8 PropertyKeys; 
  UINT8 PropertyKeysa; 
  UINT64 BufferLength; 
  UINT8 *BufferLengtha; 
  UINT64 PropertySize; 
  VOID *v26; 
  WCHAR *v27; 
  UINT64 PropertyCount; 
  __int64 v29; 
  UINT64 v30; 

  v3 = 0;
  HIDWORD(PropertyCount) = 0;
  if( (_WORD)Flags )
    return -1073741811;
  MatchingFilteredDeviceList = CmGetMatchingFilteredDeviceList(
                                 hPnpCtx,
                                 ClassGuid,
                                 CM_DEVICE_LIST_FILTER_CLASS,
                                 0i64,
                                 0i64,
                                 0i64,
                                 CM_OBJECT_TYPE_NONE,
                                 (char *)&PropertyCount + 4,
                                 v26,
                                 v27,
                                 PropertyCount,
                                 (UINT64 *)v29,
                                 v30);
  if( MatchingFilteredDeviceList == -1073741789 )
    return -1073741535;
  if( MatchingFilteredDeviceList )
    return MatchingFilteredDeviceList;
  v29 = 0x22000000320i64;
  v8 = &v29;
  v9 = 0;
  LODWORD(v30) = 288;
  while( 1 )
  {
    v10 = *(_DWORD *)v8;
    if( !*(_DWORD *)v8 || (v10 & 0xFFFFFCDF) != 0 )
      v11 = -1073741811;
    else
      v11 = CmDeleteCommonClassRegKey(hPnpCtx, ClassGuid, v10, v7, PropertyKeys);
    if( v11 && v11 != -1073741772 && v11 != -1073741811 && v11 != -1073741637 )
      break;
    ++v9;
    v8 = (__int64 *)((char *)v8 + 4);
    if( v9 >= 3 )
      goto LABEL_19;
  }
  v3 = v11;
  if( v11 < 0 )
    return v3;
LABEL_19:
  PoolWithTag = 0i64;
  LODWORD(PropertyCount) = 0;
  LOBYTE(v7) = 1;
  LODWORD(BufferLength) = 0;
  InstallerClassMappedPropertyKeys = CmGetInstallerClassMappedPropertyKeys(
                                       hPnpCtx,
                                       ClassGuid,
                                       0i64,
                                       v7,
                                       0i64,
                                       BufferLength,
                                       &PropertyCount);
  if( InstallerClassMappedPropertyKeys == -1073741789 )
  {
    while( 1 )
    {
      v15 = PropertyCount;
      v16 = 20i64 * (unsigned int)PropertyCount;
      if( v16 > 0xFFFFFFFF )
        break;
      if( PoolWithTag )
        ExFreePoolWithTag(PoolWithTag, 0);
      PoolWithTag = (_DEVPROPKEY *)ExAllocatePoolWithTag(1ui64, (unsigned int)v16, 1380994640i64);
      if( !PoolWithTag )
      {
        InstallerClassMappedPropertyKeys = -1073741801;
        goto LABEL_26;
      }
      LOBYTE(v14) = 1;
      LODWORD(BufferLengtha) = v15;
      InstallerClassMappedPropertyKeys = CmGetInstallerClassMappedPropertyKeys(
                                           hPnpCtx,
                                           ClassGuid,
                                           0i64,
                                           v14,
                                           PoolWithTag,
                                           (UINT64)BufferLengtha,
                                           &PropertyCount);
      if( InstallerClassMappedPropertyKeys != -1073741789 )
        goto LABEL_25;
    }
    InstallerClassMappedPropertyKeys = -1073741811;
LABEL_28:
    v3 = InstallerClassMappedPropertyKeys;
    goto LABEL_45;
  }
LABEL_25:
  v15 = PropertyCount;
LABEL_26:
  if( InstallerClassMappedPropertyKeys && InstallerClassMappedPropertyKeys != -1073741275 )
    goto LABEL_28;
  v17 = 0i64;
  if( v15 )
  {
    while( 1 )
    {
      LODWORD(PropertySize) = 0;
      LODWORD(BufferLengtha) = 0;
      v18 = CmSetInstallerClassMappedProperty(
              hPnpCtx,
              ClassGuid,
              0i64,
              0i64,
              &PoolWithTag[v17],
              BufferLengtha,
              0i64,
              PropertySize);
      if( v18 )
      {
        if( v18 != -1073741275 && v18 != -1073741790 && v18 != -1073741802 && v18 != -1073741637 )
          break;
      }
      v17 = (unsigned int)(v17 + 1);
      if( (unsigned int)v17 >= v15 )
        goto LABEL_40;
    }
    v3 = v18;
  }
LABEL_40:
  if( v3 < 0 )
    goto LABEL_45;
  InstallerClassMappedPropertyKeys = CmDeleteCommonClassRegKey(
                                       hPnpCtx,
                                       ClassGuid,
                                       CM_KEY_TYPE_DEVICE_INSTALLER_CLASS,
                                       v14,
                                       PropertyKeysa);
  if( InstallerClassMappedPropertyKeys )
  {
    if( InstallerClassMappedPropertyKeys != -1073741772 && InstallerClassMappedPropertyKeys != -1073741811 )
      goto LABEL_28;
  }
  CmRaiseDeleteEvent(hPnpCtx, ClassGuid, CM_OBJECT_TYPE_DEVICE_INSTALLER_CLASS, v19);
LABEL_45:
  if( PoolWithTag )
    ExFreePoolWithTag(PoolWithTag, 0);
  return v3;
}

Referenced by: