From 7f7d50638184d20777ff970feb4d5f0ae63a414c Mon Sep 17 00:00:00 2001
From: toyomoyo <toyomoyo>
Date: Mon, 30 Oct 2006 03:48:08 +0000
Subject: [PATCH] merged fix for MDL-6895, adding optional param

---
 grade/index.php | 1 +
 grade/lib.php   | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/grade/index.php b/grade/index.php
index 75d87d33b5..13b5e27aaa 100644
--- a/grade/index.php
+++ b/grade/index.php
@@ -7,6 +7,7 @@
     $user     = optional_param('user', -1);
     $group    = optional_param('group', -1);
     $action   = optional_param('action', 'grades');
+    $cview    = optional_param('cview', -1);
 
     if (!$course = get_record('course', 'id', $id)) {
         error('No course ID');
diff --git a/grade/lib.php b/grade/lib.php
index 56662634f3..30c9b7f0a5 100644
--- a/grade/lib.php
+++ b/grade/lib.php
@@ -3019,6 +3019,6 @@ function grade_get_course_students($courseid) {
         notify ('no roles defined in admin->appearance->graderoles');
         return false; // no roles to displayreturn false;  
     }
-    return $students;
+    return isset($students)?$students:'';
 }
 ?>
-- 
2.39.5