From 3b9d52397293c4c3db86b9a0f25496769676801f Mon Sep 17 00:00:00 2001
From: Dan Marsden <dan@danmarsden.com>
Date: Tue, 17 Sep 2019 10:01:54 +1200
Subject: [PATCH] Fix #427 - correct some bad sql.

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

diff --git a/locallib.php b/locallib.php
index 619fe27..b7d4979 100644
--- a/locallib.php
+++ b/locallib.php
@@ -458,7 +458,7 @@ function attendance_can_student_mark($sess, $log = true) {
             $record = $DB->get_record_select('attendance_log', $sql, $params);
         } else {
             // Assume ATTENDANCE_SHAREDIP_FORCED.
-            $sql = 'sessionid = ? AND studentid <> ? ipaddress = ?';
+            $sql = 'sessionid = ? AND studentid <> ? AND ipaddress = ?';
             $params = array($sess->id, $USER->id, getremoteaddr());
             $record = $DB->get_record_select('attendance_log', $sql, $params);
         }