From b54faf222c02537b2bb5bf94da96f29d82cf6525 Mon Sep 17 00:00:00 2001
From: Matthew Perry <mperry@ecotrust.org>
Date: Thu, 10 Jan 2013 10:45:02 -0800
Subject: [PATCH] guard against null tileInfo

---
 lib/OpenLayers/Layer/UTFGrid.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/OpenLayers/Layer/UTFGrid.js b/lib/OpenLayers/Layer/UTFGrid.js
index 587047b1ba..c4534a06c7 100644
--- a/lib/OpenLayers/Layer/UTFGrid.js
+++ b/lib/OpenLayers/Layer/UTFGrid.js
@@ -148,7 +148,7 @@ OpenLayers.Layer.UTFGrid = OpenLayers.Class(OpenLayers.Layer.XYZ, {
     getFeatureInfo: function(location) {
         var info = null;
         var tileInfo = this.getTileData(location);
-        if (tileInfo.tile) {
+        if (tileInfo && tileInfo.tile) {
             info = tileInfo.tile.getFeatureInfo(tileInfo.i, tileInfo.j);
         }
         return info;