From c3372ecbecdab099840cdb2af653e60a3ab9ad56 Mon Sep 17 00:00:00 2001
From: vgross <vgross@openbsd.org>
Date: Thu, 15 Oct 2015 10:27:18 +0000
Subject: [PATCH] in6_pcbconnect() returns EADDRNOTAVAIL when all the ports in
 the range portfirst .. portlast are in use.

ok millert@, mpi@
---
 sys/netinet6/in6_pcb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sys/netinet6/in6_pcb.c b/sys/netinet6/in6_pcb.c
index 67b5384780f..efca7525384 100644
--- a/sys/netinet6/in6_pcb.c
+++ b/sys/netinet6/in6_pcb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: in6_pcb.c,v 1.76 2015/10/09 01:10:27 deraadt Exp $	*/
+/*	$OpenBSD: in6_pcb.c,v 1.77 2015/10/15 10:27:18 vgross Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -450,8 +450,9 @@ in6_pcbconnect(struct inpcb *inp, struct mbuf *nam)
 	KASSERT(IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6) || inp->inp_lport);
 
 	if (IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6)) {
-		if (inp->inp_lport == 0)
-			(void)in6_pcbbind(inp, NULL, curproc);
+		if (inp->inp_lport == 0 &&
+		    in6_pcbbind(inp, NULL, curproc) == EADDRNOTAVAIL)
+			return (EADDRNOTAVAIL);
 		inp->inp_laddr6 = *in6a;
 	}
 	inp->inp_faddr6 = sin6->sin6_addr;
-- 
2.20.1