[src/bouyer-socketcan]: src/sys/netcan Set rcvif before bpf_mtap

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

details:   https://anonhg.NetBSD.org/src/rev/a214827f2018
branches:  bouyer-socketcan
changeset: 820891:a214827f2018
user:      bouyer <bouyer%NetBSD.org@localhost>
date:      Wed Apr 19 22:17:56 2017 +0000

description:
Set rcvif before bpf_mtap

diffstat:

 sys/netcan/if_canloop.c |  7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diffs (37 lines):

diff -r e062b8b080e3 -r a214827f2018 sys/netcan/if_canloop.c
--- a/sys/netcan/if_canloop.c   Wed Apr 19 17:54:18 2017 +0000
+++ b/sys/netcan/if_canloop.c   Wed Apr 19 22:17:56 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_canloop.c,v 1.1.2.4 2017/02/05 17:37:10 bouyer Exp $        */
+/*     $NetBSD: if_canloop.c,v 1.1.2.5 2017/04/19 22:17:56 bouyer Exp $        */
 
 /*-
  * Copyright (c) 2017 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_canloop.c,v 1.1.2.4 2017/02/05 17:37:10 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_canloop.c,v 1.1.2.5 2017/04/19 22:17:56 bouyer Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_can.h"
@@ -164,9 +164,9 @@
 
                if ((m->m_flags & M_PKTHDR) == 0)
                        panic("canloop_output: no header mbuf");
+               m_set_rcvif(m, ifp);
                if (ifp->if_flags & IFF_LOOPBACK)
                        bpf_mtap_af(ifp, AF_CAN, m);
-               m_set_rcvif(m, ifp);
 
                pktlen = m->m_pkthdr.len;
                ifp->if_opackets++;
@@ -178,7 +178,6 @@
 #else
                printf("%s: can't handle CAN packet\n", ifp->if_xname);
                m_freem(m);
-               error = EAFNOSUPPORT;
 #endif
        }