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[WIN32K]

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Fix a bug, where a failure to allocate the kernel mode WINDOW_OBJECT would cause a page fault, because the WND was still allocated, but never initialized, and Wnd->rpdesktop was then dereferenced to free the WND again.

svn path=/trunk/; revision=48785
This commit is contained in:
Timo Kreuzer 2010-09-17 01:34:50 +00:00
parent 30fad2a263
commit 253e949e7a
1 changed files with 5 additions and 1 deletions
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6
reactos/subsystems/win32/win32k/ntuser/window.c
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@ -1661,10 +1661,14 @@ PWINDOW_OBJECT FASTCALL IntCreateWindow(CREATESTRUCTW* Cs,
(PHANDLE)&hWnd, (PHANDLE)&hWnd,
otWindow, otWindow,
sizeof(WINDOW_OBJECT)); sizeof(WINDOW_OBJECT));
if (!Window)
{
goto AllocError;
}
Wnd = DesktopHeapAlloc(pti->rpdesk, sizeof(WND) + Class->cbwndExtra); Wnd = DesktopHeapAlloc(pti->rpdesk, sizeof(WND) + Class->cbwndExtra);
if(!Window || !Wnd) if (!Wnd)
{ {
goto AllocError; goto AllocError;
} }