From 6804c994f5a80afea05b60eea3489e7ac53bf0a6 Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Sun, 24 Mar 2013 18:30:19 -0700
Subject: [PATCH] fix missing info error

---
 app/assets/javascripts/discourse/views/topic_view.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/assets/javascripts/discourse/views/topic_view.js b/app/assets/javascripts/discourse/views/topic_view.js
index 47fdad295928a7..14be11789c207a 100644
--- a/app/assets/javascripts/discourse/views/topic_view.js
+++ b/app/assets/javascripts/discourse/views/topic_view.js
@@ -370,6 +370,9 @@ Discourse.TopicView = Discourse.View.extend(Discourse.Scrolling, {
     rows = $('.topic-post');
     info = Discourse.Eyeline.analyze(rows);
 
+    // if we have no rows
+    if(!info) { return; }
+
     // top on screen 
     if(info.top === 0 || info.onScreen[0] === 0 || info.bottom === 0) {
       this.prevPage($(rows[0]));