From: Steven Barth <steven@midlink.org>
Date: Wed, 13 Aug 2014 14:53:06 +0000 (+0200)
Subject: PD: don't consider deprecated assigned prefixes when calculating avilable PD size
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f41da55f11f06361e23f11a87f179aa56565c106;p=project%2Fodhcpd.git

PD: don't consider deprecated assigned prefixes when calculating avilable PD size
---

diff --git a/src/dhcpv6-ia.c b/src/dhcpv6-ia.c
index 90dcaf5..2fef626 100644
--- a/src/dhcpv6-ia.c
+++ b/src/dhcpv6-ia.c
@@ -595,7 +595,7 @@ static void update(struct interface *iface)
 	int minprefix = -1;
 
 	for (int i = 0; i < len; ++i) {
-		if (addr[i].prefix > minprefix)
+		if (addr[i].preferred > 0 && addr[i].prefix > minprefix)
 			minprefix = addr[i].prefix;
 
 		addr[i].addr.s6_addr32[3] = 0;