olsr: hotplug: fix a wrong grep (never successful) in olsrd_interface_already_in_config()

diff --git a/olsrd/files/olsrd.hotplug.sh b/olsrd/files/olsrd.hotplug.sh
index 99e834ea4c622b16e6baaafbbe0152d6b6fc8abc..ee41a2eb57ebe96a6ea2d1d060439d134b421b00 100755 (executable)
--- a/olsrd/files/olsrd.hotplug.sh
+++ b/olsrd/files/olsrd.hotplug.sh
@@ -15,14 +15,14 @@ olsrd_list_configured_interfaces()
                        ;;
                esac
 
-               i=$(( $i + 1 ))
+               i=$(( i + 1 ))
        } done
 }
 
 olsrd_interface_already_in_config()
 {
        # e.g.: 'Interface "eth0.1" "eth0.2" "wlan0"'
-       if grep -s ^'Interface ' '/var/etc/$OLSRD.conf' | grep -q "\"$DEVICE\""; then
+       if grep -s ^'Interface ' "/var/etc/$OLSRD.conf" | grep -q "\"$DEVICE\""; then
                logger -t olsrd_hotplug -p daemon.debug "[OK] already_active: '$INTERFACE' => '$DEVICE'"
                return 0
        else