hddtemp_update() return 1 if there is no data

1 files changed, 6 insertions, 1 deletions

diff --git a/charts.d/hddtemp.chart.sh b/charts.d/hddtemp.chart.sh
index 91bac6cff5..fea9f8018c 100755
--- a/charts.d/hddtemp.chart.sh
+++ b/charts.d/hddtemp.chart.sh
@@ -43,10 +43,15 @@ hddtemp_update() {
 #	local all=( `nc $hddtemp_host $hddtemp_port | awk 'BEGIN { FS="|" };{i=4; while (i <= NF) {print $i+0;i+=5;};}'` )
 	OLD_IFS=$IFS
 	set -f
-	IFS="|" all=( $(nc $hddtemp_host $hddtemp_port) )
+	IFS="|" all=( $(nc $hddtemp_host $hddtemp_port 2>/dev/null) )
 	set +f
 	IFS=$OLD_IFS
 
+	# check if there is some data
+	if [ -z "${all[3]}" ]; then 
+		return 1
+	fi
+
 	# write the result of the work.
 	echo "BEGIN hddtemp.temperature $1"
 	end=${#hddtemp_disks[@]}