Re: [ros-dev] [ros-diffs] [jimtabor] 44902: [Win32k] - Patch by Dan Kegel: Fix minor read buffer overrun in CombineRgn. http://bugs.winehq.org/show_bug.cgi?id=20851 - When locking and unlocking regions, use probe to check attribute space first before read or write access.

[Timo Kreuzer]

Why the KeEnterCriticalRegion?

jimtabor(a)svn.reactos.org wrote:
>   -             if (pAttr) FreeObjectAttr(pAttr);
>  +             if (pAttr)
>  +             {
>  +                KeEnterCriticalRegion();
>  +                FreeObjectAttr(pAttr);
>  +                KeLeaveCriticalRegion();
>  +             }
>                break;
>