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- Fix for race condition that should never happen.

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svn path=/trunk/; revision=8491
This commit is contained in:
Filip Navara 2004-02-29 17:43:41 +00:00
parent bc297296d2
commit 7bb59c906f
1 changed files with 2 additions and 2 deletions
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4
reactos/subsys/win32k/ntuser/vis.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: vis.c,v 1.21 2004/02/26 22:23:54 weiden Exp $
* $Id: vis.c,v 1.22 2004/02/29 17:43:41 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -87,7 +87,7 @@ VIS_ComputeVisibleRegion(
{
IntLockRelatives(CurrentWindow);
CurrentSibling = CurrentWindow->FirstChild;
while (CurrentSibling != PreviousWindow)
while (CurrentSibling != NULL && CurrentSibling != PreviousWindow)
{
if (CurrentSibling->Style & WS_VISIBLE)
{