From: Roy Marples <roy@marples.name>
Date: Mon, 22 Oct 2007 16:03:48 +0000 (+0000)
Subject: Don't release a link local address.
X-Git-Tag: v3.2.3~172
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b7dbb220432d9221a959fcddc0a806474d3b08f;p=thirdparty%2Fdhcpcd.git

Don't release a link local address.
---

diff --git a/ChangeLog b/ChangeLog
index 6d2d69d4..b933aff2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,4 @@
+Don't release a link local address.
 Use sysconf to detect if we have a working monotonic clock.
 Only request NTP, NIS, etc if we have compiled that feature in.
 dhcpcd --version now shows what compile time options were used.
diff --git a/client.c b/client.c
index 549a6735..33e29979 100644
--- a/client.c
+++ b/client.c
@@ -470,11 +470,13 @@ int dhcp_run (const options_t *options, int *pidfd)
 						|| state == STATE_REBINDING)
 					{
 						logger (LOG_INFO, "received SIGHUP, releasing lease");
-						SOCKET_MODE (SOCKET_OPEN);
-						xid = random ();
-						if ((open_socket (iface, false)) >= 0)
-							SEND_MESSAGE (DHCP_RELEASE);
-						SOCKET_MODE (SOCKET_CLOSED);
+						if (! IN_LINKLOCAL (dhcp->address.s_addr)) {
+							SOCKET_MODE (SOCKET_OPEN);
+							xid = random ();
+							if ((open_socket (iface, false)) >= 0)
+								SEND_MESSAGE (DHCP_RELEASE);
+							SOCKET_MODE (SOCKET_CLOSED);
+						}
 						unlink (iface->infofile);
 					}
 					else