From 8798c8cfa888521cc47173bf6db00b5724da4a54 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@neko.keithp.com>
Date: Tue, 30 Jan 2007 19:05:20 -0800
Subject: [PATCH] Allow DDX to not supply a property set notification function.

Check rrOutputSetProperty and only call if it isn't NULL.
---
 randr/rrproperty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/randr/rrproperty.c b/randr/rrproperty.c
index ed01c88c7..03a1b5c94 100644
--- a/randr/rrproperty.c
+++ b/randr/rrproperty.c
@@ -215,7 +215,7 @@ RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
 	output->properties = prop;
     }
 
-    if (!prop->is_pending) {
+    if (!prop->is_pending && pScrPriv->rrOutputSetProperty) {
 	/* What should we do in case of failure? */
 	pScrPriv->rrOutputSetProperty(output->pScreen, output,
 				      prop->propertyName, prop_value);