From 71b94726d9661d2f51afe4bd72539de656dcd0a3 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Mon, 6 Mar 2006 15:10:59 +0100
Subject: [PATCH] server: Avoid crash in set_thread_desktop if the thread
 doesn't have a queue.

---
 server/winstation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/winstation.c b/server/winstation.c
index 30cbe18350f..da24be4378e 100644
--- a/server/winstation.c
+++ b/server/winstation.c
@@ -477,7 +477,7 @@ DECL_HANDLER(set_thread_desktop)
     else
         current->desktop = req->handle;  /* FIXME: should we close the old one? */
 
-    if (old_desktop != new_desktop) detach_thread_input( current );
+    if (old_desktop != new_desktop && current->queue) detach_thread_input( current );
 
     if (old_desktop) release_object( old_desktop );
     release_object( new_desktop );