From ab2b99cc4f3d5f26efb9e5174eec3bae2bd296dd Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Mon, 6 Aug 2012 03:25:29 +0000
Subject: [PATCH] [NtUser] - Stop spurious window handle errors.

svn path=/trunk/; revision=57046
---
 reactos/win32ss/user/ntuser/timer.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/reactos/win32ss/user/ntuser/timer.c b/reactos/win32ss/user/ntuser/timer.c
index 2172476d2d1..33ac0614b69 100644
--- a/reactos/win32ss/user/ntuser/timer.c
+++ b/reactos/win32ss/user/ntuser/timer.c
@@ -619,12 +619,12 @@ NtUserSetTimer
    TIMERPROC lpTimerFunc
 )
 {
-   PWND Window;
+   PWND Window = NULL;
    DECLARE_RETURN(UINT_PTR);
 
    TRACE("Enter NtUserSetTimer\n");
    UserEnterExclusive();
-   Window = UserGetWindowObject(hWnd);
+   if (hWnd) Window = UserGetWindowObject(hWnd);
    UserLeave();
 
    RETURN(IntSetTimer(Window, nIDEvent, uElapse, lpTimerFunc, TMRF_TIFROMWND));
@@ -644,12 +644,12 @@ NtUserKillTimer
    UINT_PTR uIDEvent
 )
 {
-   PWND Window;
+   PWND Window = NULL;
    DECLARE_RETURN(BOOL);
 
    TRACE("Enter NtUserKillTimer\n");
    UserEnterExclusive();
-   Window = UserGetWindowObject(hWnd);
+   if (hWnd) Window = UserGetWindowObject(hWnd);
    UserLeave();
 
    RETURN(IntKillTimer(Window, uIDEvent, FALSE));