From e833c9eaf498d19a89d3b278ea9e05a37a062a57 Mon Sep 17 00:00:00 2001
From: Thorsten Liebig <Thorsten.Liebig@gmx.de>
Date: Wed, 24 Jul 2013 17:20:25 +0200
Subject: [PATCH] matlab: allow empty ports to be passed through

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
---
 matlab/calcPort.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/matlab/calcPort.m b/matlab/calcPort.m
index 14593c5..1a31698 100644
--- a/matlab/calcPort.m
+++ b/matlab/calcPort.m
@@ -46,6 +46,10 @@ if (iscell(port))
     return;
 end
 
+if isempty(port)
+    return;
+end
+
 if (strcmpi(port.type,'MSL') || strcmpi(port.type,'Coaxial'))
     port = calcTLPort( port, SimDir, f, varargin{:});
     return