manager: fix memory leak in manager_add_filter function

(closes issue ASTERISK-23420)
Reported by: Etienne Lessard
Patches:
    manager_eventfilter_leak uploaded by Etienne Lessard (license 6394)
........

Merged revisions 410609 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 410623 from http://svn.asterisk.org/svn/asterisk/branches/12

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@410624 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/manager.c b/main/manager.c
index fe4e7c3..3c98185 100644 (file)
--- a/main/manager.c
+++ b/main/manager.c
@@ -5150,6 +5150,8 @@ static enum add_filter_result manager_add_filter(const char *filter_pattern, str
                ao2_t_link(whitefilters, new_filter, "link new filter into white user container");
        }
 
+       ao2_ref(new_filter, -1);
+
        return FILTER_SUCCESS;
 }