From 05ec364b7dad80ea5ace0f1b01ca1dd38fc016df Mon Sep 17 00:00:00 2001
From: Keith Winstein <keithw@mit.edu>
Date: Fri, 9 Nov 2012 11:56:28 -0500
Subject: [PATCH] Verify $port_request defined before scanning it for error
 purposes

---
 scripts/mosh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/mosh b/scripts/mosh
index 737500d..d5ce42c 100755
--- a/scripts/mosh
+++ b/scripts/mosh
@@ -263,7 +263,7 @@ if ( $pid == 0 ) { # child
 	die "Bad MOSH CONNECT string: $_\n";
       }
     } else {
-      if ( $port_request =~ m{:} and m{Bad UDP port} ) {
+      if ( defined $port_request and $port_request =~ m{:} and m{Bad UDP port} ) {
 	$bad_udp_port_warning = 1;
       }
       print "$_\n";