From b865c07b69a85d6d4720dc66b8745cf8936bcdbb Mon Sep 17 00:00:00 2001
From: Raymond Wijaya <raymond.wijaya@netspot.com.au>
Date: Wed, 12 Sep 2012 16:33:54 +0800
Subject: [PATCH] MDL-35665: Cherry-pick MDL-35389 : Fix an error when changing
 locked state of a assignment is changed

---
 mod/assign/lib.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mod/assign/lib.php b/mod/assign/lib.php
index 070dc500663..74cfd3bfed6 100644
--- a/mod/assign/lib.php
+++ b/mod/assign/lib.php
@@ -757,7 +757,9 @@ function assign_get_user_grades($assign, $userid=0) {
     global $CFG;
     require_once($CFG->dirroot . '/mod/assign/locallib.php');
 
-    $assignment = new assign(null, null, null);
+    $cm = get_coursemodule_from_instance('assign', $assign->id, 0, false, MUST_EXIST);
+    $context = context_module::instance($cm->id);
+    $assignment = new assign($context, null, null);
     $assignment->set_instance($assign);
     return $assignment->get_user_grades_for_gradebook($userid);
 }