From b7fb54d8aeb1742819cabef81203335d7a8984ed Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Mon, 8 Oct 2012 07:21:32 +0000
Subject: [PATCH] No reason to play with IP header before calling
 sctp_delayed_cksum() with offset beyond the IP header.

---
 sys/netinet/ip_divert.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c
index b366a65b8b7..99d598cc1ee 100644
--- a/sys/netinet/ip_divert.c
+++ b/sys/netinet/ip_divert.c
@@ -215,10 +215,8 @@ divert_packet(struct mbuf *m, int incoming)
 	}
 #ifdef SCTP
 	if (m->m_pkthdr.csum_flags & CSUM_SCTP) {
-		ip->ip_len = ntohs(ip->ip_len);
 		sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2));
 		m->m_pkthdr.csum_flags &= ~CSUM_SCTP;
-		ip->ip_len = htons(ip->ip_len);
 	}
 #endif
 	bzero(&divsrc, sizeof(divsrc));