Minor fix.

22dc2ca6 · Leigh B Stoller · 6d6bca86 · 22dc2ca6
Commit 22dc2ca6 authored Dec 31, 2013 by Leigh B Stoller
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tbsetup/libtestbed.pm.in tbsetup/libtestbed.pm.in +2 -0

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--- 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;
 }