From 66a5b767b1b533f6ce508a125404a2d8e3353c41 Mon Sep 17 00:00:00 2001
From: Phil Davis <phil@jankaritech.com>
Date: Tue, 25 Apr 2017 18:22:22 +0545
Subject: Avoid invalid arg error when saving WoL widget

when there are no WoL entries
---
 src/usr/local/www/widgets/widgets/wake_on_lan.widget.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/usr/local')

diff --git a/src/usr/local/www/widgets/widgets/wake_on_lan.widget.php b/src/usr/local/www/widgets/widgets/wake_on_lan.widget.php
index a6a10a5..7f8982f 100644
--- a/src/usr/local/www/widgets/widgets/wake_on_lan.widget.php
+++ b/src/usr/local/www/widgets/widgets/wake_on_lan.widget.php
@@ -42,8 +42,10 @@ if ($_POST['widgetkey']) {
 
 	$validNames = array();
 
-	foreach ($config['wol']['wolentry'] as $wolent) {
-		array_push($validNames, get_wolent_key($wolent));
+	if (is_array($config['wol']['wolentry'])) {
+		foreach ($config['wol']['wolentry'] as $wolent) {
+			array_push($validNames, get_wolent_key($wolent));
+		}
 	}
 
 	if (is_array($_POST['show'])) {
-- 
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