CmGetDeviceSoftwareKey

__int64 __fastcall CmGetDeviceSoftwareKey(__int64 a1, const WCHAR *a2, wchar_t *a3, __int64 a4, char a5){
  int DeviceRegProp; 
  _ETHREAD *CurrentThread; 
  int v11; 
  __int64 v12; 
  __int64 v13; 
  __int64 v14; 
  int v15; 
  __int64 v16; 
  __int64 v17; 
  __int64 dwFlags; 
  UINT64 dwFlagsa; 
  int v20; 
  int v21; 
  HANDLE v22; 
  HANDLE Handle; 
  struct _UNICODE_STRING DestinationString; 
  __int16 v25[12]; 
  WCHAR v26[40]; 
  v20 = 88;
  v22 = 0i64;
  Handle = 0i64;
  v21 = 0;
  DestinationString = 0i64;
  DeviceRegProp = CmGetDeviceRegProp(a1, a2, 0i64, 10, (__int64)&v21, (__int64)a3, (__int64)&v20, 0);
  if( DeviceRegProp == -1073741275 )
  {
    if( a5 == 1 )
    {
      CurrentThread = (_ETHREAD *)KeGetCurrentThread();
      --*((_WORD *)CurrentThread + 242);
      ExAcquireResourceExclusiveLite(*(ERESOURCE **)(a1 + 240), 1u);
      v21 = 0;
      v20 = 88;
      DeviceRegProp = CmGetDeviceRegProp(a1, a2, 0i64, 10, (__int64)&v21, (__int64)a3, (__int64)&v20, 0);
      if( DeviceRegProp == -1073741275 )
      {
        v20 = 78;
        v21 = 0;
        v11 = CmGetDeviceRegProp(a1, a2, 0i64, 9, (__int64)&v21, (__int64)v26, (__int64)&v20, 0);
        DeviceRegProp = v11;
        if( v11 == -1073741275 )
        {
          DeviceRegProp = -1073741772;
        }
        else if( v11 >= 0 )
        {
          v26[38] = 0;
          DeviceRegProp = CmOpenInstallerClassRegKey(a1, v26, v12, v13, 131103, 0, (__int64)&v22, 0i64);
          if( DeviceRegProp >= 0 )
          {
            DeviceRegProp = CmCreateOrdinalInstanceKey(a1, (__int64)v22, (wchar_t *)v25, v14, dwFlags, &Handle);
            if( DeviceRegProp >= 0 )
            {
              LODWORD(dwFlagsa) = 2048;
              RtlStringCchPrintfExW(a3, 0x2Cui64, 0i64, 0i64, dwFlagsa, L"%s\\%s", v26, v25);
              DeviceRegProp = v15;
              if( v15 >= 0 )
              {
                DeviceRegProp = RtlInitUnicodeStringEx(&DestinationString, a3);
                if( DeviceRegProp >= 0 )
                {
                  DeviceRegProp = CmSetDeviceRegProp(
                                    a1,
                                    a2,
                                    0i64,
                                    0xAu,
                                    1u,
                                    (__int64)DestinationString.Buffer,
                                    DestinationString.MaximumLength,
                                    0);
                  if( DeviceRegProp < 0 )
                  {
                    v16 = *(_QWORD *)(a1 + 224);
                    if( v16 )
                      v17 = *(_QWORD *)(v16 + 8);
                    else
                      v17 = 0i64;
                    RegRtlDeleteKeyTransacted((char *)v22, (const WCHAR *)v25, v17);
                  }
                }
              }
            }
          }
        }
      }
      ExReleaseResourceLite(*(PERESOURCE *)(a1 + 240));
      KeLeaveCriticalRegion();
      if( Handle )
        ZwClose(Handle);
    }
    else
    {
      DeviceRegProp = -1073741772;
    }
  }
  if( v22 )
    ZwClose(v22);
  return(unsigned int)DeviceRegProp;
}

Referenced by: