From: Francis Dupont <fdupont@isc.org>
Date: Wed, 25 Sep 2013 08:22:43 +0000 (+0200)
Subject: set SO_REUSEPORT only for multicast
X-Git-Tag: v4_3_0a1~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eff1c7d8310be9b96ef2fce3f338f8decda6c5ce;p=thirdparty%2Fdhcp.git

set SO_REUSEPORT only for multicast
---

diff --git a/common/socket.c b/common/socket.c
index 64f531462..8a9ebea5f 100644
--- a/common/socket.c
+++ b/common/socket.c
@@ -223,7 +223,7 @@ if_register_socket(struct interface_info *info, int family,
 	 * DHCPv4 sockets; we can't yet support BSD sockets well, much
 	 * less multiple sockets.
 	 */
-	if (local_family == AF_INET6) {
+	if ((local_family == AF_INET6) && *do_multicast) {
 		flag = 1;
 		if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT,
 			       (char *)&flag, sizeof(flag)) < 0) {