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Date:      Mon, 2 Oct 2000 21:38:40 -0700 (PDT)
From:      Tony Fleisher <takhus@takhus.mind.net>
To:        John Baldwin <jhb@FreeBSD.ORG>
Cc:        phk@FreeBSD.ORG, current@FreeBSD.ORG
Subject:   Re: bpf "fix"
Message-ID:  <Pine.BSF.4.21.0010022137191.29738-100000@takhus-home.ashlandfn.org>
In-Reply-To: <XFMail.001002211927.jhb@FreeBSD.org>

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I submitted a PR on this a few weeks ago.

See: http://www.FreeBSD.org/cgi/query-pr.cgi?pr=21391 for comments
from phk.

On Mon, 2 Oct 2000, John Baldwin wrote:

> I stared at the bpf code some last week, and determined that the
> extra make_dev() was in bpf's open() method in the non-devfs
> case.  As such, I have a rather simple patch.  However, I don't
> like a driver having to be aware of devfs.  Does anyone have any
> other (preferably cleaner) ways to fix this?
> 
> http://www.FreeBSD.org/~jhb/patches/bpf.patch
> 
> Index: net/bpf.c
> ===================================================================
> RCS file: /usr/cvs/src/sys/net/bpf.c,v
> retrieving revision 1.67
> diff -u -r1.67 bpf.c
> --- net/bpf.c   2000/09/19 10:28:41     1.67
> +++ net/bpf.c   2000/09/27 00:51:30
> @@ -363,8 +363,10 @@
>          */
>         if (d)
>                 return (EBUSY);
> -       make_dev(&bpf_cdevsw, minor(dev), UID_ROOT, GID_WHEEL, 0600,
> -           "bpf%d", dev2unit(dev));
> +       /* XXX - ugly, we shouldn't have to know about devfs here */
> +       if (!devfs_present)
> +               make_dev(&bpf_cdevsw, minor(dev), UID_ROOT, GID_WHEEL, 0600,
> +                   "bpf%d", dev2unit(dev));
>         MALLOC(d, struct bpf_d *, sizeof(*d), M_BPF, M_WAITOK);
>         bzero(d, sizeof(*d));
>         dev->si_drv1 = d;
> 
> -- 
> 
> John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
> PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
> "Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
> 
> 
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