[src/trunk]: src/sys/net add the error from ifpromisc to the panic.

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

details:   https://anonhg.NetBSD.org/src/rev/2e023897cc55
branches:  trunk
changeset: 747914:2e023897cc55
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Oct 05 17:58:15 2009 +0000

description:
add the error from ifpromisc to the panic.

diffstat:

 sys/net/bpf.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (35 lines):

diff -r af9fb1d348ca -r 2e023897cc55 sys/net/bpf.c
--- a/sys/net/bpf.c     Mon Oct 05 16:25:27 2009 +0000
+++ b/sys/net/bpf.c     Mon Oct 05 17:58:15 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bpf.c,v 1.146 2009/04/11 23:05:26 christos Exp $       */
+/*     $NetBSD: bpf.c,v 1.147 2009/10/05 17:58:15 christos Exp $       */
 
 /*
  * Copyright (c) 1990, 1991, 1993
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.146 2009/04/11 23:05:26 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.147 2009/10/05 17:58:15 christos Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_bpf.h"
@@ -342,14 +342,14 @@
                 */
                error = ifpromisc(bp->bif_ifp, 0);
                if (error && error != EINVAL)
-                       panic("bpf: ifpromisc failed");
+                       panic("%s: ifpromisc failed: %d", __func__, error);
        }
        /* Remove d from the interface's descriptor list. */
        p = &bp->bif_dlist;
        while (*p != d) {
                p = &(*p)->bd_next;
                if (*p == 0)
-                       panic("bpf_detachd: descriptor not in list");
+                       panic("%s: descriptor not in list", __func__);
        }
        *p = (*p)->bd_next;
        if (bp->bif_dlist == 0)