Re: [PATCH v4 0/3] MR6004: comctl32: A NULL string fix.

[Zhiyi Zhang (＠zhiyi)]

Zhiyi Zhang (@zhiyi) commented about dlls/user32/winproc.c:
> DWORD len = wParam * sizeof(WCHAR);
>
> if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
> +            if (!str)

If you check str for NULL before get_buffer() then you don't need to call free_buffer().

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6004#note_75706