Add udhcpc command-line argument to request rootpath

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18876 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index fbbf0e1..ccdfc38 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -289,7 +289,7 @@ setup_interface() {
                                # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
                                local dhcpopts
                                [ ."$proto1" != ."$proto" ] && dhcpopts="-n -q"
-                               $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &}
+                               $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -O rootpath -R &}
                                lock -u "/var/lock/dhcp-$iface"
                        fi
                ;;