From b5315cea860a3a7a99f61472e50603aebbbb6139 Mon Sep 17 00:00:00 2001
From: Daniel Berteaud <daniel@firewall-services.com>
Date: Sat, 21 Sep 2019 16:33:28 +0200
Subject: [PATCH] Check $sanoidmon is defined before checking its value

---
 zabbix_scripts/check_zfs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zabbix_scripts/check_zfs b/zabbix_scripts/check_zfs
index 071bfee..d333ff8 100644
--- a/zabbix_scripts/check_zfs
+++ b/zabbix_scripts/check_zfs
@@ -27,10 +27,10 @@ if (not $zpool or not $zfs){
   print 'ZBX_NOTSUPPOTED';
   exit 0;
 }
-if ($sanoidmon and not $sanoid){
+if (defined $sanoidmon and not $sanoid){
   die 'ZBX_NOTSUPPOTED';
 }
-if (not grep { $_ eq $sanoidmon } qw(snapshot capacity health)){
+if (defined $sanoidmon and not grep { $_ eq $sanoidmon } qw(snapshot capacity health)){
   die 'ZBX_NOTSUPPOTED';
 }