Re: 2 questions about SCSI initialization

Patrick Mansfield
2002-03-22T01:28:34Z

On Thu, Mar 21, 2002 at 07:04:51PM -0500, Pete Zaitcev wrote:
> > Date: Thu, 21 Mar 2002 14:26:35 -0800
> > From: Patrick Mansfield <patmans@us.ibm.com>
> > --- scsi.c.orig Thu Mar 21 13:51:27 2002
> > +++ scsi.c Thu Mar 21 13:52:54 2002
> > @@ -2331,8 +2331,8 @@
> > /*
> > * If we are busy, this is not going to fly.
> > */
> > - if (GET_USE_COUNT(tpnt->module) != 0)
> > - goto error_out;
> > + if (tpnt->module && (GET_USE_COUNT(tpnt->module) != 0))
> > + BUG();
>
> Guaranteed to trigger BUG() is out_of_memory gets set.
>
> I still think we better kill this check altogether.
> Any more objections?

No objection.

The same problem exists in scsi_unregister_host, where it checks
GET_USE_COUNT(SDpnt->host->hostt->module). It looks like we would
hit this with sd and scsi built into the kernel, and an insmod
of an adapter that hits a scsi_build_commandblocks failure. Correct?

-- Patrick Mansfield

>
> -- Pete
> -
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