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Date:      Mon, 31 Mar 2003 16:34:26 -0800 (PST)
From:      Nate Lawson <nate@root.org>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/pci if_dc.c if_pcn.c if_rl.c if_sf.cif_sis.c if_sk.c if_ste.c if_ti.c if_tl.c if_vr.c if_wb.c if_xl.c
Message-ID:  <Pine.BSF.4.21.0303311629180.8123-100000@root.org>
In-Reply-To: <XFMail.20030331142622.jhb@FreeBSD.org>

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On Mon, 31 Mar 2003, John Baldwin wrote:
> On 31-Mar-2003 Nate Lawson wrote:
> > On Mon, 31 Mar 2003, Nate Lawson wrote:
> >>   Modified files:
> >>     sys/pci              if_dc.c if_pcn.c if_rl.c if_sf.c if_sis.c 
> >>                          if_sk.c if_ste.c if_ti.c if_tl.c if_vr.c 
> >>                          if_wb.c if_xl.c 
> >>   Log:
> >>   Clean up locking and resource management for pci/if_*
> > 
> > This is a rather large patch so if you begin to experience problems
> > attaching or detaching (say on module load/unload) a previously-working
> > card, please let me know.
> 
> Already found a bogon in tl(4) when it conflicted with some local
> changes.  Might want to double check that you don't call detach()
> for very early failures when you have no resources to teardown or
> release but just do a direct return in the other drivers.

There is only one other driver that does anything before the mtx_init
(ti(4), ti_mbuf_sanity case) and I handled that correctly.  The KASSERT in
detach should find any case that detach is called before mtx_init.  Thank
you for finding this and fixing it.

-Nate



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