network: support gateway-less network setup

This also discards the explicit deletion of the route in network_down,
as bringing down the interface will take care of this for us.

Addresses FS#24690

Thanks-to: Matthias Dienstbier <matthias_dienstbier@yahoo.de>
Signed-off-by: Dave Reisner <d@falconindy.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/network b/network
index c2ad9ba..38ada9a 100755
--- a/network
+++ b/network
@@ -33,7 +33,7 @@ network_up() {
 			fi
 		done
 		ip addr add $address/$netmask broadcast ${broadcast:-+} dev $interface || return 1
-		ip route add default via $gateway || return 1
+		[[ $gateway ]] && { ip route add default via $gateway || return 1; }
 	else
 		dhcpcd $DHCPCD_ARGS $interface || return 1
 	fi
@@ -43,7 +43,6 @@ network_down() {
 	if [[ -f /var/run/dhcpcd-$interface.pid ]]; then
 		dhcpcd -k $interface || return 1
 	else
-		ip route del default || return 1
 		ip addr flush dev $interface || return 1
 	fi