irqstats: rework previous commit to make shellcheck happy

Tested on dash/bash/busybox.
2020-10-09 15:32:36 +03:00 · 2020-10-09 15:32:36 +03:00 · b2ca6a4b8a
parent 4c53449fa3
commit b2ca6a4b8a
1 changed files with 3 additions and 1 deletions
--- a/plugins/irqstats
+++ b/plugins/irqstats
@ -29,7 +29,9 @@ fetch_irqstats() {
    VALUE=0
    for VAL in $VALS;
    do
-      VALUE=$((VALUE + $VAL))
+      if [ "$VAL" -eq "$VAL" ] 2> /dev/null; then
+        VALUE=$((VALUE + VAL))
+      fi
    done
    echo "i$ID.value $VALUE"
  done