# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1661073587 -7200
# Node ID 8f739dd15d7f6d32fb296a3a5871fa6e59deb248
# Parent  a8b6584d24eced806f6c91ac33f8a602ba1ec750
FIX: Use "||" instead of "|" when handling an error case

diff -r a8b6584d24ec -r 8f739dd15d7f sbin/fjail
--- a/sbin/fjail	Sun Aug 21 11:06:19 2022 +0200
+++ b/sbin/fjail	Sun Aug 21 11:19:47 2022 +0200
@@ -451,7 +451,7 @@
         { echo "ERROR: no dataset given" >&2; return 2; }
 
     # Just determine whether the given dataset name exists
-    _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" | return 1
+    _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || { echo "ERROR: dataset not found" >&2; return 1; }
 
     mount -t zfs -p | \
         grep -E "^${_dsname}(/|\s)" | \