From ce5a5f93990647de85e535734ee6bb430ad591cb Mon Sep 17 00:00:00 2001
From: Jeremy Huddleston <jeremyhu@freedesktop.org>
Date: Mon, 21 Apr 2008 20:08:05 -0700
Subject: [PATCH] Fixed dixLookupClient to work with client=NullClient as it
 did in the 1.3 branch (cherry picked from commit
 e41ccc64702f856e5e09dfa652fe73c14b8a0225)

---
 dix/dixutils.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dix/dixutils.c b/dix/dixutils.c
index aaf510623..22935cead 100644
--- a/dix/dixutils.c
+++ b/dix/dixutils.c
@@ -270,7 +270,8 @@ dixLookupClient(ClientPtr *pClient, XID rid, ClientPtr client, Mask access)
     *pClient = clients[clientIndex];
     return Success;
 bad:
-    client->errorValue = rid;
+    if(client)
+        client->errorValue = rid;
     *pClient = NULL;
     return rc;
 }