[src/trunk]: src/sys/netipsec Fix the computation. Normally that's harmless s...

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

details:   https://anonhg.NetBSD.org/src/rev/126ad5714588
branches:  trunk
changeset: 321308:126ad5714588
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Mar 10 17:48:32 2018 +0000

description:
Fix the computation. Normally that's harmless since ip6_output recomputes
ip6_plen.

diffstat:

 sys/netipsec/xform_ipcomp.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r e608cc551416 -r 126ad5714588 sys/netipsec/xform_ipcomp.c
--- a/sys/netipsec/xform_ipcomp.c       Sat Mar 10 09:44:47 2018 +0000
+++ b/sys/netipsec/xform_ipcomp.c       Sat Mar 10 17:48:32 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: xform_ipcomp.c,v 1.59 2018/02/16 09:24:55 maxv Exp $   */
+/*     $NetBSD: xform_ipcomp.c,v 1.60 2018/03/10 17:48:32 maxv Exp $   */
 /*     $FreeBSD: src/sys/netipsec/xform_ipcomp.c,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $       */
 /* $OpenBSD: ip_ipcomp.c,v 1.1 2001/07/05 12:08:52 jjbg Exp $ */
 
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xform_ipcomp.c,v 1.59 2018/02/16 09:24:55 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xform_ipcomp.c,v 1.60 2018/03/10 17:48:32 maxv Exp $");
 
 /* IP payload compression protocol (IPComp), see RFC 2393 */
 #if defined(_KERNEL_OPT)
@@ -614,7 +614,7 @@
 #ifdef INET6
                case AF_INET6:
                        mtod(m, struct ip6_hdr *)->ip6_plen =
-                           htons(m->m_pkthdr.len) - sizeof(struct ip6_hdr);
+                           htons(m->m_pkthdr.len - sizeof(struct ip6_hdr));
                        break;
 #endif
                default: