From 4b5c80b9a8a4ec40d93121c3be5502e0f9bc631e Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Thu, 9 Feb 2017 22:57:58 +0100
Subject: [PATCH] interfaces: fix wlan probe to not yield an empty interface

---
 src/etc/inc/interfaces.lib.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/etc/inc/interfaces.lib.inc b/src/etc/inc/interfaces.lib.inc
index 1b5e4eb4f..efc1f1322 100644
--- a/src/etc/inc/interfaces.lib.inc
+++ b/src/etc/inc/interfaces.lib.inc
@@ -34,7 +34,7 @@ function legacy_interface_listget($flag = '')
     $ifs = null;
 
     exec($cmd_wlan . ' 2>&1', $out_wlan, $ret_wlan);
-    if (!$ret_wlan && isset($out_wlan[0])) {
+    if (!$ret_wlan && !empty($out_wlan[0])) {
         $ifs_wlan = explode(' ', $out_wlan[0]);
     }