Re: [PATCH v5 0/4] MR4857: gdi32,win32u: Implement D3DKMTEnumAdapters2.

[Zhiyi Zhang (＠zhiyi)]

Zhiyi Zhang (@zhiyi) commented about dlls/win32u/sysparams.c:
> -
>        while (!NtEnumerateKey( device_key, j++, KeyBasicInformation, key2, sizeof(buffer), &size ))
> -
>        {
> -
>            LUID gpu_luid = {0};
> -
> -
>            if (!(gpu_key = reg_open_key( device_key, key2->Name, key2->NameLength )))
> -
>                continue;
> -
> -
>            size = query_reg_value( gpu_key, class_guidW, value, sizeof(buffer) );
> -
>            if (size != sizeof(guid_devclass_displayW)
> -
>                    || wcscmp( (WCHAR *)value->Data, guid_devclass_displayW ))
> -
>            {
> -
>                NtClose( gpu_key );
> -
>                continue;
> -
>            }
> -
> -
>            if (!(gpu = calloc( 1, sizeof(*gpu) )))

You're allocating gpu twice. The first time here and the second time at line 1786.