-diff -up dhcp-4.2.4b1/client/dhclient.c.send_release dhcp-4.2.4b1/client/dhclient.c
---- dhcp-4.2.4b1/client/dhclient.c.send_release 2012-04-16 17:48:52.000000000 +0200
-+++ dhcp-4.2.4b1/client/dhclient.c 2012-04-16 17:50:44.357396720 +0200
-@@ -2764,8 +2764,8 @@ void send_release (cpp)
- inet_ntoa (destination.sin_addr),
- ntohs (destination.sin_port), client -> xid);
-
-- if (fallback_interface) {
-- result = send_packet(fallback_interface, NULL, &client->packet,
-+ if (client -> interface) {
-+ result = send_packet(client -> interface, NULL, &client->packet,
- client->packet_length, from, &destination,
- NULL);
- if (result < 0) {
-@@ -2776,7 +2776,7 @@ void send_release (cpp)
- }
- } else {
- /* Send out a packet. */
-- result = send_packet(client->interface, NULL, &client->packet,
-+ result = send_packet(fallback_interface, NULL, &client->packet,
- client->packet_length, from, &destination,
- NULL);
- if (result < 0) {