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 <[EMAIL PROTECTED]> -- 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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