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- Users are not allowed to set null desktops. Fixes bug 6759.

svn path=/trunk/; revision=56676
This commit is contained in:
James Tabor 2012-05-29 21:34:06 +00:00
parent 4f76ca4995
commit 4b39ab3f4a
1 changed files with 6 additions and 2 deletions
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8
reactos/win32ss/user/ntuser/desktop.c
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@ -1889,11 +1889,15 @@ IntSetThreadDesktop(IN HDESK hDesktop,
BOOL APIENTRY BOOL APIENTRY
NtUserSetThreadDesktop(HDESK hDesktop) NtUserSetThreadDesktop(HDESK hDesktop)
{ {
BOOL ret; BOOL ret = FALSE;
UserEnterExclusive(); UserEnterExclusive();
ret = IntSetThreadDesktop(hDesktop, FALSE); // FIXME: IntSetThreadDesktop validates the desktop handle, it should happen
// here too and set the NT error level. Q. Is it necessary to have the validation
// in IntSetThreadDesktop? Is it needed there too?
if (hDesktop || (!hDesktop && CsrProcess == PsGetCurrentProcess()))
ret = IntSetThreadDesktop(hDesktop, FALSE);
UserLeave(); UserLeave();