tests/srp/rc: Do not pass an empty string to dd

Instead of passing an empty string as argument to dd, do not pass any
argument when not using direct I/O.

Fixes: 577caa7d2b4a ("Fix unquoted integer shellcheck errors")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>

diff --git a/tests/srp/rc b/tests/srp/rc
index 7fdea2d1dccc8b2467a3e8a5788bb5a56e1ed7ae..e19bf79aff6ea1cd3374145553bca594ca6c9d25 100755 (executable)
--- a/tests/srp/rc
+++ b/tests/srp/rc
@@ -516,12 +516,12 @@ start_lio_srpt() {
        i=0
        for r in "${vdev_path[@]}"; do
                if [ -b "$(readlink -f "$r")" ]; then
-                       oflag=oflag=direct
+                       oflag=(oflag=direct)
                else
-                       oflag=
+                       oflag=()
                fi
                echo -n "Zero-initializing $r ... " >>"$FULL"
-               dd if=/dev/zero of="${r}" bs=1M count=$((ramdisk_size>>20)) "$oflag" >/dev/null 2>&1 || return $?
+               dd if=/dev/zero of="${r}" bs=1M count=$((ramdisk_size>>20)) "${oflag[@]}" >/dev/null 2>&1 || return $?
                echo "done" >>"$FULL"
                mkdir -p "$(mountpoint $i)" || return $?
                ((i++))