LU-1254 iokit: should not use single '[]'

[fs/lustre-release.git] / lustre-iokit / obdfilter-survey / libecho

diff --git a/lustre-iokit/obdfilter-survey/libecho b/lustre-iokit/obdfilter-survey/libecho
index edd61e2..9a4e8c4 100644 (file)
--- a/lustre-iokit/obdfilter-survey/libecho
+++ b/lustre-iokit/obdfilter-survey/libecho
@@ -26,6 +26,8 @@
 # Copyright  2008 Sun Microsystems, Inc. All rights reserved
 # Use is subject to license terms.
 #
+# Copyright (c) 2012, Whamcloud, Inc.
+#
 # This file is part of Lustre, http://www.lustre.org/
 # Lustre is a trademark of Sun Microsystems, Inc.
 #
@@ -215,7 +217,7 @@ cleanup () {
     shift
     for ((i = 0; i < $ndevs; i++)); do
         host=${host_names[$i]}
-        if [ -n ${do_teardown_ec[$i]} ]; then
+        if [[ -n "${do_teardown_ec[$i]}" ]]; then
             teardown_ec_devno $host ${client_names[$i]}
         fi
     done