From 6fad4c49f17f154b49846d379e347897b747f793 Mon Sep 17 00:00:00 2001
From: Anselm R Garbe <garbeam@gmail.com>
Date: Fri, 18 Jul 2008 20:18:45 +0100
Subject: [PATCH] potential crash fix if xinerama behaves broken, though I
 doubt it

---
 dwm.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dwm.c b/dwm.c
index 34bcd99..52bb9f1 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1562,8 +1562,7 @@ updategeom(void) {
 	XineramaScreenInfo *info = NULL;
 
 	/* window area geometry */
-	if(XineramaIsActive(dpy)) {
-		info = XineramaQueryScreens(dpy, &n);
+	if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) { 
 		if(n > 1) {
 			int di, x, y;
 			unsigned int dui;
-- 
1.7.10.4