From 41aef1056e4dc5afb142f58848b0bc96dac5b42a Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Fri, 12 May 2017 10:20:50 +0200
Subject: [PATCH] mvc: another of those crashes

---
 .../OPNsense/Diagnostics/Api/SystemhealthController.php     | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/Api/SystemhealthController.php b/src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/Api/SystemhealthController.php
index 5479c8c87..3c1f9345b 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/Api/SystemhealthController.php
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/Api/SystemhealthController.php
@@ -1,7 +1,7 @@
 <?php
+
 /**
  *    Copyright (C) 2015 Deciso B.V. - J. Schellevis
- *
  *    All rights reserved.
  *
  *    Redistribution and use in source and binary forms, with or without
@@ -24,10 +24,8 @@
  *    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  *    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  *    POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
-
 namespace OPNsense\Diagnostics\Api;
 
 use \OPNsense\Base\ApiControllerBase;
@@ -599,7 +597,7 @@ class SystemhealthController extends ApiControllerBase
         // collect interface names
         $intfmap = array();
         $config = Config::getInstance()->object();
-        if ($config->interfaces != null) {
+        if ($config->interfaces->count() > 0) {
             foreach ($config->interfaces->children() as $key => $node) {
                 $intfmap[(string)$key] = array("descr" => !empty((string)$node->descr) ? (string)$node->descr : $key);
             }