From f377141912594f87144d6d7f7fdd279a101d8e6c Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter@cs.unisa.edu.au>
Date: Thu, 24 Apr 2008 13:30:28 +0930
Subject: [PATCH] Xi: don't attempt to send to a NULL window.

Only applicable when the server comes down/restarts. In this case,
WindowTable[i] may be NULL. Let's not try to send an event then.
---
 Xi/exevents.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Xi/exevents.c b/Xi/exevents.c
index fb84bef6f..641bead33 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -1279,6 +1279,8 @@ SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent * ev, int count)
 
     for (i = 0; i < screenInfo.numScreens; i++) {
         pWin = WindowTable[i];
+        if (!pWin)
+            continue;
         (void)DeliverEventsToWindow(pWin, ev, count, mask, NullGrab, dev->id);
         p1 = pWin->firstChild;
         FindInterestedChildren(dev, p1, mask, ev, count);