=== modified file 'zsh-functions/confz_fs_init'
--- zsh-functions/confz_fs_init	2019-02-13 07:17:48 +0000
+++ zsh-functions/confz_fs_init	2018-10-19 18:06:04 +0000
@@ -337,7 +337,7 @@
 
 # set up /dev/md* device
 confz_mdraid_check() {
-	local line level out seen_level seen_header devices all_empty ret
+	local line level out seen_level seen_header devices all_empty
 	local -a seen_devices devices device_numbers
 	local -A level_map
 
@@ -376,13 +376,8 @@
 	done
 
 	if [[ -b $vars[md_device] ]]; then
-		out=$( mdadm --detail $vars[md_device] )
-		ret=$?
-		case ret in
-			(0) ;;
-			# (1) return 1;;
-			(*) die "$0: mdadm --detail ${(qqq)vars[md_device]} returned $?";;
-		esac
+		out=$( mdadm --detail $vars[md_device] ) || \
+			die "$0: mdadm --detail ${(qqq)vars[md_device]} returned $?"
 		seen_header=0
 		while read line; do
 			if ! (($seen_header)); then