From 92c4354ff9d76bcad165e4c6294bf32b1d29271b Mon Sep 17 00:00:00 2001
From: Tim Hunt <T.J.Hunt@open.ac.uk>
Date: Wed, 23 Feb 2011 11:42:37 +0000
Subject: [PATCH] MDL-26576 avoid notices one quizzes with no overall feedback.

---
 mod/quiz/locallib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mod/quiz/locallib.php b/mod/quiz/locallib.php
index 06914cdfdad..b66c4260b70 100644
--- a/mod/quiz/locallib.php
+++ b/mod/quiz/locallib.php
@@ -463,7 +463,7 @@ function quiz_feedback_for_grade($grade, $quiz, $context, $cm=null) {
     $feedback = $DB->get_record_select('quiz_feedback', "quizid = ? AND mingrade <= ? AND $grade < maxgrade", array($quiz->id, $grade));
 
     if (empty($feedback->feedbacktext)) {
-        $feedback->feedbacktext = '';
+        return '';
     }
 
     // Clean the text, ready for display.