[src/trunk]: src/sys/netinet6 Clear mbuf's csum_flags in ip6flow_fastforward(...

[msaitoh <msaitoh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/70c0fb4371e1
branches:  trunk
changeset: 786936:70c0fb4371e1
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Thu May 23 16:49:46 2013 +0000

description:
Clear mbuf's csum_flags in ip6flow_fastforward(). Fixes PR#47849.

diffstat:

 sys/netinet6/ip6_flow.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r c8ada7e1b3b3 -r 70c0fb4371e1 sys/netinet6/ip6_flow.c
--- a/sys/netinet6/ip6_flow.c   Thu May 23 14:15:52 2013 +0000
+++ b/sys/netinet6/ip6_flow.c   Thu May 23 16:49:46 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip6_flow.c,v 1.20 2012/10/11 20:05:50 christos Exp $   */
+/*     $NetBSD: ip6_flow.c,v 1.21 2013/05/23 16:49:46 msaitoh Exp $    */
 
 /*-
  * Copyright (c) 2007 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_flow.c,v 1.20 2012/10/11 20:05:50 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_flow.c,v 1.21 2013/05/23 16:49:46 msaitoh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -288,6 +288,11 @@
                return 0;
        }
 
+       /*
+        * Clear any in-bound checksum flags for this packet.
+        */
+       m->m_pkthdr.csum_flags = 0;
+
        if (ip6->ip6_hlim <= IPV6_HLIMDEC)
                return 0;