kldunload if_sk -> LOR & panic

[Doug White]

On Sun, 18 Jul 2004, Bjoern A. Zeeb wrote:

> > At the point where it's actually detaching, once it's detached the methods
> > that access its softc, it should drop its softc lock before calling the
> > network-level detach routines.
>
> I think this is handled by dwhite's patch so I should be safe now.
> Perhaps someone could work towards committing a cleaned up version of
> this patch ?

The LOR is the harmless part.  The panic is caused by
device_delete_child() recursing from skc to sk, and sk_detach() calls
device_delete_child() in itself again after freeing its structures (or
something like that).  My patch should fix this, if not then I have it in
my working sources.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org