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().