From: Mikhail Galanin <mgalanin@mimecast.com>
Date: Mon, 10 Sep 2018 09:37:59 +0000 (+0100)
Subject: [Test] Mark "connection" resource as freed
X-Git-Tag: 1.8.0~153^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b49102df9dc762d7c2531f06f99a4f31e6e0d43;p=thirdparty%2Frspamd.git

[Test] Mark "connection" resource as freed

mt.disconnect() performs free(). If we call it twice with the same argument, we will get double free()
---

diff --git a/test/functional/lua/miltertest/lib.lua b/test/functional/lua/miltertest/lib.lua
index f7dc3cc79c..e94efd559d 100644
--- a/test/functional/lua/miltertest/lib.lua
+++ b/test/functional/lua/miltertest/lib.lua
@@ -21,7 +21,10 @@ function setup(c_ip, helo, hn)
 end
 
 function teardown()
-  mt.disconnect(conn)
+  if conn then
+    mt.disconnect(conn)
+  end
+  conn = nil
 end
 
 function send_message(body, hdrs, id, sender, rcpts)