From c175767891954bf33fc38705c2e057a223ae6102 Mon Sep 17 00:00:00 2001
From: ume <ume@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Tue, 1 Jul 2014 18:05:38 +0000
Subject: [PATCH] MFS r268053 (MFC r267800): Exclude IPv4 address from doing
 longest match. It prevented DNS based load balancing.

Approved by:	re (delphij)


git-svn-id: svn://svn.freebsd.org/base/releng/9.3@268107 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 lib/libc/net/getaddrinfo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c
index 31e05d29c..5014ccb12 100644
--- a/lib/libc/net/getaddrinfo.c
+++ b/lib/libc/net/getaddrinfo.c
@@ -1007,7 +1007,8 @@ comp_dst(const void *arg1, const void *arg2)
 	 * We compare the match length in a same AF only.
 	 */
 	if (dst1->aio_ai->ai_addr->sa_family ==
-	    dst2->aio_ai->ai_addr->sa_family) {
+	    dst2->aio_ai->ai_addr->sa_family &&
+	    dst1->aio_ai->ai_addr->sa_family != AF_INET) {
 		if (dst1->aio_matchlen > dst2->aio_matchlen) {
 			return(-1);
 		}
-- 
2.42.0