From 22dc2ca6759cf3958f9e8dfbda21247fd56e7d00 Mon Sep 17 00:00:00 2001
From: Leigh B Stoller <stoller@flux.utah.edu>
Date: Tue, 31 Dec 2013 12:17:21 -0700
Subject: [PATCH] Minor fix.

---
 tbsetup/libtestbed.pm.in | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tbsetup/libtestbed.pm.in b/tbsetup/libtestbed.pm.in
index e1c9a120b..7b2e18461 100644
--- a/tbsetup/libtestbed.pm.in
+++ b/tbsetup/libtestbed.pm.in
@@ -450,6 +450,8 @@ sub TBMakeLogname($)
 sub TBGenSecretKey()
 {
     my $key=`/bin/dd if=/dev/urandom count=128 bs=1 2> /dev/null | /sbin/md5`;
+    return undef
+	if ($?);
     chomp($key);
     return $key;
 }
-- 
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