From a5329e8499e915d7c88e3852750c325f074ee537 Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Mon, 17 Aug 2009 19:58:52 +0000
Subject: [PATCH] Merged revisions 212627 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/trunk

........
  r212627 | tilghman | 2009-08-17 14:57:42 -0500 (Mon, 17 Aug 2009) | 4 lines

  Check the return value of opendir(3), or we may crash.
  (closes issue #15720)
   Reported by: tobias_e
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@212628 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 apps/app_voicemail.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 3f7f1c2207..c72f5311bf 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -3031,7 +3031,10 @@ static int last_message_index(struct ast_vm_user *vmu, char *dir)
 	* doing a stat repeatedly on a predicted sequence.  I suspect this
 	* is partially due to stat(2) internally doing a readdir(2) itself to
 	* find each file. */
-	msgdir = opendir(dir);
+	if (!(msgdir = opendir(dir))) {
+		return -1;
+	}
+
 	while ((msgdirent = readdir(msgdir))) {
 		if (sscanf(msgdirent->d_name, "msg%30d", &msgdirint) == 1 && msgdirint < MAXMSGLIMIT)
 			map[msgdirint] = 1;