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 c34d9c8..9a4e8c4 100644 (file)
--- a/lustre-iokit/obdfilter-survey/libecho
+++ b/lustre-iokit/obdfilter-survey/libecho
@@ -217,7 +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