From c4474adfd671703968977264a20cc0fe3f6e7e86 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Mon, 28 Aug 2017 09:22:38 +0200
Subject: [PATCH] Fix memleak: free regex when parsing fails

fixes #2541
---
 src/regex.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/regex.c b/src/regex.c
index 296b91dd1..8f039157f 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -38,6 +38,7 @@ struct regex *regex_new(const char *pattern) {
         }
         ELOG("PCRE regular expression compilation failed at %d: %s\n",
              offset, error);
+        regex_free(re);
         return NULL;
     }
     re->extra = pcre_study(re->regex, 0, &error);