From ea17a9c8f254790ba2d287ebca8892506acd8e88 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Sun, 27 Sep 2009 09:49:06 +0000
Subject: [PATCH] MDL-19718 fixed critical race condition when deleting posts -
 credit goes to Ashley Holman; backported from MOODLE_19_STABLE

---
 mod/forum/lib.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index bd9423e42a7..b2763d9b415 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -2615,7 +2615,12 @@ function forum_file_area_name($post) {
 }
 
 function forum_file_area($post) {
-    return make_upload_directory( forum_file_area_name($post) );
+    $path = forum_file_area_name($post);
+    if ($path) {
+        return make_upload_directory($path);
+    } else {
+        return false;
+    }
 }
 
 function forum_delete_old_attachments($post, $exception="") {