(legacy) fix uninitialized in rc.dyndns.update

a0ecd6a2 · Ad Schellevis · bdfbe06f · a0ecd6a2
Commit a0ecd6a2 authored Jul 09, 2015 by Ad Schellevis
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rc.dyndns.update src/etc/rc.dyndns.update +5 -1

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--- a/src/etc/rc.dyndns.update
+++ b/src/etc/rc.dyndns.update
@@ -34,7 +34,11 @@ require_once("filter.inc");
 /* Interface IP address has changed */
-$argument = trim($argv[1], " \n");
+if (isset($argv[1])) {
+	$argument = trim($argv[1], " \n");
+} else {
+	$argument = null;
+}
 if(empty($argument)) {
 	services_dyndns_configure();