[src/trunk]: src/sys/dev/ic Apply mbuf initialize function to stack mbuf used...

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

details:   https://anonhg.NetBSD.org/src/rev/0b19ebebea2e
branches:  trunk
changeset: 344787:0b19ebebea2e
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Wed Apr 20 08:53:11 2016 +0000

description:
Apply mbuf initialize function to stack mbuf used as M_PKTHDR.

It is required to prevent unexpected behavior in future works abount m_pkthdr.

diffstat:

 sys/dev/ic/dp8390.c |  13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diffs (34 lines):

diff -r b61b57b5549e -r 0b19ebebea2e sys/dev/ic/dp8390.c
--- a/sys/dev/ic/dp8390.c       Wed Apr 20 08:53:01 2016 +0000
+++ b/sys/dev/ic/dp8390.c       Wed Apr 20 08:53:11 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dp8390.c,v 1.83 2016/02/09 08:32:10 ozaki-r Exp $      */
+/*     $NetBSD: dp8390.c,v 1.84 2016/04/20 08:53:11 knakahara Exp $    */
 
 /*
  * Device driver for National Semiconductor DS8390/WD83C690 based ethernet
@@ -14,7 +14,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dp8390.c,v 1.83 2016/02/09 08:32:10 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dp8390.c,v 1.84 2016/04/20 08:53:11 knakahara Exp $");
 
 #include "opt_ipkdb.h"
 #include "opt_inet.h"
@@ -1492,11 +1492,10 @@
        bus_space_handle_t regh = sc->sc_regh;
        struct mbuf mb;
 
-       mb.m_next = NULL;
-       mb.m_pkthdr.len = mb.m_len = l;
-       mb.m_data = buf;
-       mb.m_flags = M_EXT | M_PKTHDR;
-       mb.m_type = MT_DATA;
+       mbuf_hdr_init(&mb, MT_DATA, NULL, buf, l);
+       mbuf_pkthdr_init(&mb);
+       mb.m_pkthdr.len = l;
+       mb.m_flags |= M_EXT;
 
        l = sc->write_mbuf(sc, &mb,
            sc->mem_start + ((sc->txb_new * ED_TXBUF_SIZE) << ED_PAGE_SHIFT));