From df8c240c190af94bace52f5a233537cc4ceb4b08 Mon Sep 17 00:00:00 2001
From: tuexen <tuexen@FreeBSD.org>
Date: Mon, 6 Oct 2014 13:16:37 +0000
Subject: [PATCH] MFC r272296: When plen != ulen, it should only be checked
 when this is UDP.

The commit is from kevlo and he agreed that I MFC it as part of the
UDPLite fixes.
---
 sys/netinet6/udp6_usrreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c
index faa6427cf0ae..0d685902bd99 100644
--- a/sys/netinet6/udp6_usrreq.c
+++ b/sys/netinet6/udp6_usrreq.c
@@ -230,7 +230,7 @@ udp6_input(struct mbuf **mp, int *offp, int proto)
 		ulen = plen;
 		cscov_partial = 0;
 	}
-	if (plen != ulen) {
+	if (nxt == IPPROTO_UDP && plen != ulen) {
 		UDPSTAT_INC(udps_badlen);
 		goto badunlocked;
 	}