From e72efa4415427c87093fce0f4d61e32d341d6691 Mon Sep 17 00:00:00 2001
From: Daniel Berteaud <daniel@firewall-services.com>
Date: Tue, 29 May 2018 12:38:25 +0200
Subject: [PATCH] Ensure we always return a value for scan action status errors
 in check_zfs

---
 zabbix_scripts/check_zfs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zabbix_scripts/check_zfs b/zabbix_scripts/check_zfs
index 356ea83..0f7b62f 100644
--- a/zabbix_scripts/check_zfs
+++ b/zabbix_scripts/check_zfs
@@ -96,6 +96,8 @@ sub get_zpool_errors {
     }
     $i++;
   }
+  # Ensure evey item returns something
+  $errors->{$_} ||= '' foreach (qw(scan action status errors));
   return $errors;
 }