From 6815ac19bfd8e945894d6d37ef5f0d51523aa8d4 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Mon, 9 Jul 2018 17:46:12 -0400
Subject: eliminate warning (don't numerically compare the empty string)

---
 src/initrd/mdadm-dup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/initrd')

diff --git a/src/initrd/mdadm-dup.sh b/src/initrd/mdadm-dup.sh
index 70163a5..8ec302d 100644
--- a/src/initrd/mdadm-dup.sh
+++ b/src/initrd/mdadm-dup.sh
@@ -28,7 +28,7 @@ dm_snapshot()
     else rw_dev=$(LoSetup -f --show "$rw_file") || return
     fi
 
-    if [ "$cutoff_size" -a "$cutoff_size" -gt 0 ]; then
+    if [ "$cutoff_size" ] && [ "$cutoff_size" -gt 0 ]; then
         size=$cutoff_size
     else
         size=$(blockdev --getsz "$ro_dev") || return
-- 
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