From c08fe74cd0dd363e68b8019cad1f2954817ca4a3 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Wed, 1 May 2013 19:26:06 -0400
Subject: [PATCH] xlib: Don't crash just because the display doesn't expose
 RANDR

If this happens, XRRGetScreenResources will return NULL, so just treat
that like nothing happened.

https://bugzilla.gnome.org/show_bug.cgi?id=699431

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Robert Bragg <robert@linux.intel.com>

(cherry picked from commit 57a79912ac70080a2f9cbe65181a25b00bf1192a)
---
 cogl/cogl-xlib-renderer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cogl/cogl-xlib-renderer.c b/cogl/cogl-xlib-renderer.c
index 92f044daf..3aa70f20b 100644
--- a/cogl/cogl-xlib-renderer.c
+++ b/cogl/cogl-xlib-renderer.c
@@ -239,7 +239,7 @@ update_outputs (CoglRenderer *renderer,
 
   _cogl_xlib_renderer_trap_errors (renderer, &state);
 
-  for (i = 0; i < resources->ncrtc && !error; i++)
+  for (i = 0; resources && i < resources->ncrtc && !error; i++)
     {
       XRRCrtcInfo *crtc_info = NULL;
       XRROutputInfo *output_info = NULL;