[ros-diffs] [fireball] 34525: Yuriy Sidorov <jura at cp-lab.com> - Fix BSOD in NtUserWaitForInputIdle because KeWaitForMultipleObjects expects actual pointers to objects, not handles. - Fix failure branches to have UserLeave and/or object dereference where needed. See issue #3522 for more details.
fireball at svn.reactos.org
fireball at svn.reactos.org
Tue Jul 15 16:00:37 CEST 2008
Author: fireball
Date: Tue Jul 15 09:00:37 2008
New Revision: 34525
URL: http://svn.reactos.org/svn/reactos?rev=34525&view=rev
Log:
Yuriy Sidorov <jura at cp-lab.com>
- Fix BSOD in NtUserWaitForInputIdle because KeWaitForMultipleObjects expects actual pointers to objects, not handles.
- Fix failure branches to have UserLeave and/or object dereference where needed.
See issue #3522 for more details.
Modified:
trunk/reactos/subsystems/win32/win32k/ntuser/message.c
Modified: trunk/reactos/subsystems/win32/win32k/ntuser/message.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntuser/message.c?rev=34525&r1=34524&r2=34525&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/message.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/message.c [iso-8859-1] Tue Jul 15 09:00:37 2008
@@ -1898,6 +1898,7 @@
if (!NT_SUCCESS(Status))
{
+ UserLeave();
SetLastNtError(Status);
return WAIT_FAILED;
}
@@ -1906,16 +1907,22 @@
if (!W32Process)
{
ObDereferenceObject(Process);
+ UserLeave();
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return WAIT_FAILED;
}
EngCreateEvent((PEVENT *)&W32Process->InputIdleEvent);
- Handles[0] = hProcess;
+ Handles[0] = Process;
Handles[1] = W32Process->InputIdleEvent;
- if (!Handles[1]) return STATUS_SUCCESS; /* no event to wait on */
+ if (!Handles[1])
+ {
+ ObDereferenceObject(Process);
+ UserLeave();
+ return STATUS_SUCCESS; /* no event to wait on */
+ }
StartTime = ((ULONGLONG)SharedUserData->TickCountLowDeprecated *
SharedUserData->TickCountMultiplier / 16777216);
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