From 725282febf2dc67ce97dd37ac4453b974bb33b2e Mon Sep 17 00:00:00 2001
From: Alex 'AdUser' Z <ad_user@runbox.com>
Date: Wed, 21 Sep 2016 15:51:01 +1000
Subject: [PATCH] * fix double free in filter's flush()

---
 src/filters/pcre.c | 1 +
 src/filters/preg.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/filters/pcre.c b/src/filters/pcre.c
index eda91a5..01846e3 100644
--- a/src/filters/pcre.c
+++ b/src/filters/pcre.c
@@ -194,6 +194,7 @@ flush(cfg_t *cfg) {
     pcre_free(r->regex);
     free(r);
   }
+  cfg->regexps = NULL;
 }
 
 void
diff --git a/src/filters/preg.c b/src/filters/preg.c
index 98afbb3..ad9fb91 100644
--- a/src/filters/preg.c
+++ b/src/filters/preg.c
@@ -159,6 +159,7 @@ flush(cfg_t *cfg) {
     regfree(&r->regex);
     free(r);
   }
+  cfg->regexps = NULL;
 }
 
 void