From 315cb8e719ae9eed7f1e4d546b15133eef8c9766 Mon Sep 17 00:00:00 2001
From: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Date: Thu, 8 Mar 2012 21:48:45 +0100
Subject: [PATCH] Fix segfault in jack_connect

When jack_connect is called without any argument, it causes a segfault
in

                snprintf( portA, sizeof(portA), "%s", argv[argc-1] );
                snprintf( portB, sizeof(portB), "%s", argv[argc-2] );

Reported in http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=662199
---
 connect.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/connect.c b/connect.c
index 7ddc7ba..327a91c 100644
--- a/connect.c
+++ b/connect.c
@@ -121,7 +121,10 @@ main (int argc, char *argv[])
 		return 1;
 	}
 	
-	if (argc < 3) show_usage(my_name);
+	if (argc < 3) {
+		show_usage(my_name);
+		return 1;
+	}
 
 	/* try to become a client of the JACK server */