From 17e18bc6532a0bee2536eb8f47df297f716d21d5 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Sat, 16 Apr 2016 10:22:35 +0000
Subject: [PATCH] [WIN32K:NTUSER] - Don't leak desktop reference in failure
 case of NtUserSwitchDesktop

svn path=/trunk/; revision=71167
---
 reactos/win32ss/user/ntuser/desktop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/reactos/win32ss/user/ntuser/desktop.c b/reactos/win32ss/user/ntuser/desktop.c
index 7cd27d6691f..2985308ac2d 100644
--- a/reactos/win32ss/user/ntuser/desktop.c
+++ b/reactos/win32ss/user/ntuser/desktop.c
@@ -1791,12 +1791,14 @@ NtUserSwitchDesktop(HDESK hdesk)
 
    if (PsGetCurrentProcessSessionId() != pdesk->rpwinstaParent->dwSessionId)
    {
+      ObDereferenceObject(pdesk);
       ERR("NtUserSwitchDesktop called for a desktop of a different session\n");
       RETURN(FALSE);
    }
 
    if(pdesk == gpdeskInputDesktop)
    {
+       ObDereferenceObject(pdesk);
        WARN("NtUserSwitchDesktop called for active desktop\n");
        RETURN(TRUE);
    }