From 49a59779f539506c8c904c27fefc5122e9b0a56d Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelberg@google.com>
Date: Sun, 15 Jul 2018 18:33:11 +0200
Subject: [PATCH] =?UTF-8?q?dhcp4d:=20don=E2=80=99t=20offer=20expired=20lea?=
 =?UTF-8?q?ses?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 internal/dhcp4d/dhcp4d.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/dhcp4d/dhcp4d.go b/internal/dhcp4d/dhcp4d.go
index 5ab55e0..857d1ce 100644
--- a/internal/dhcp4d/dhcp4d.go
+++ b/internal/dhcp4d/dhcp4d.go
@@ -213,7 +213,7 @@ func (h *Handler) serveDHCP(p dhcp4.Packet, msgType dhcp4.MessageType, options d
 		}
 
 		// offer previous lease for this HardwareAddr, if any
-		if lease, ok := h.leasesHW[hwAddr]; ok {
+		if lease, ok := h.leasesHW[hwAddr]; ok && !lease.Expired(h.timeNow()) {
 			free = lease.Num
 		}