From 2056c5853175e6ad0e041ff3776e10d9e612b521 Mon Sep 17 00:00:00 2001
From: Jonny007-MKD <nospam@jonny007-mkd.de>
Date: Sun, 23 Feb 2020 15:05:42 +0100
Subject: check_dns: Fix memory leak


diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 0c10f09..2f944f9 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -271,7 +271,7 @@ main (int argc, char **argv)
       result = STATE_CRITICAL;
       xasprintf(&msg, _("Domain '%s' was found by the server: '%s'\n"), query_address, address);
     } else {
-      if (address == NULL) free(address);
+      if (address != NULL) free(address);
       address = "NXDOMAIN";
     }
   }
-- 
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