From 367b29c50f9fad1d0b358fdf09ffe10ffff9942f Mon Sep 17 00:00:00 2001
From: Daniel Steglich <steglich@datasystems24.de>
Date: Tue, 6 Sep 2016 08:24:14 +0000
Subject: [PATCH] dynamicdns: Fix file creation with update URL

The wget command to push the current IP via update URL will download the
update URL document without deleting the HTML document afterwards. This
will cause the script to flood "/root/" folder.
---
 actions/dynamicdns | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/actions/dynamicdns b/actions/dynamicdns
index f69bbfddf..ea482b31c 100755
--- a/actions/dynamicdns
+++ b/actions/dynamicdns
@@ -311,7 +311,7 @@ doUpdate()
         if [ "${ignoreCertError}" = "enabled" ];then
             WGETOPTIONS="${WGETOPTIONS} --no-check-certificate "
         fi
-        local cmd="${WGET} ${WGETOPTIONS} ${updateurl}"
+        local cmd="${WGET} -O /dev/null ${WGETOPTIONS} ${updateurl}"
         $cmd
         # ToDo: check the returning text from WEB Server. User need to give expected string.
         if [ ${?} -eq 0 ];then