1 files changed, 12 insertions, 1 deletions
diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index a75d588..8fc229f 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -292,8 +292,19 @@ nd6_ifattach(struct ifnet *ifp)
 }
 
 void
-nd6_ifdetach(struct nd_ifinfo *nd)
+nd6_ifdetach(struct ifnet *ifp, struct nd_ifinfo *nd)
 {
+	struct ifaddr *ifa, *next;
+
+	IF_ADDR_RLOCK(ifp);
+	TAILQ_FOREACH_SAFE(ifa, &ifp->if_addrhead, ifa_link, next) {
+		if (ifa->ifa_addr->sa_family != AF_INET6)
+			continue;
+
+		/* stop DAD processing */
+		nd6_dad_stop(ifa);
+	}
+	IF_ADDR_RUNLOCK(ifp);
 
 	free(nd, M_IP6NDP);
 }