From b04ffffc063ab05ba4fb08fceae560a30a9463d9 Mon Sep 17 00:00:00 2001
From: Oliver Gorwits <oliver@cpan.org>
Date: Sat, 21 Dec 2019 21:53:50 +0000
Subject: [PATCH] fix #679 unint error

---
 lib/App/Netdisco/Web/Plugin/Device/Ports.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/App/Netdisco/Web/Plugin/Device/Ports.pm b/lib/App/Netdisco/Web/Plugin/Device/Ports.pm
index d4850b5b..e7382921 100644
--- a/lib/App/Netdisco/Web/Plugin/Device/Ports.pm
+++ b/lib/App/Netdisco/Web/Plugin/Device/Ports.pm
@@ -192,7 +192,7 @@ get '/ajax/content/device/ports' => require_login sub {
       }
       else {
         @results = grep {
-            ($_->vlan eq $f)
+            (defined $_->vlan and $_->vlan eq $f)
               or
             (scalar grep {defined and $_ eq $f} @{ $vlans->{$_->port}->{vlan_set} })
         } @results;