[src/trunk]: src/sys/netiso clear m_pkthdr for M_PKTHDR mbuf, so that we do n...

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

details:   https://anonhg.NetBSD.org/src/rev/45bc01d16ebb
branches:  trunk
changeset: 482910:45bc01d16ebb
user:      itojun <itojun%NetBSD.org@localhost>
date:      Fri Feb 25 03:41:54 2000 +0000

description:
clear m_pkthdr for M_PKTHDR mbuf, so that we do not get panic with
old data in pointer fields.  NOTE: we'll extend m_pkthdr field soon.

why does the code allocate mbuf by its own?

diffstat:

 sys/netiso/tp_emit.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r bc2780ff07c2 -r 45bc01d16ebb sys/netiso/tp_emit.c
--- a/sys/netiso/tp_emit.c      Fri Feb 25 03:39:13 2000 +0000
+++ b/sys/netiso/tp_emit.c      Fri Feb 25 03:41:54 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tp_emit.c,v 1.11 1999/03/04 02:40:20 mjacob Exp $      */
+/*     $NetBSD: tp_emit.c,v 1.12 2000/02/25 03:41:54 itojun Exp $      */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -198,6 +198,7 @@
                        m->m_nextpkt = MNULL;
                        m->m_data = m->m_pktdat;
                        m->m_flags = M_PKTHDR;
+                       bzero(&m->m_pkthdr, sizeof(m->m_pkthdr));
                }
        } else {
                MGETHDR(m, M_DONTWAIT, TPMT_TPHDR);