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From: Jeff Garzik <jgarzik@pobox.com>
To: Martin Hicks <mort@wildopensource.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>,
	Greg KH <greg@kroah.com>,
	linux-scsi@vger.kernel.org, Jesse Barnes <jbarnes@sgi.com>,
	jeremy@sgi.com
Subject: Re: [PATCH] SATA Transport Attributes
Date: Mon, 29 Mar 2004 20:23:38 -0500	[thread overview]
Message-ID: <4068CC1A.3000803@pobox.com> (raw)
In-Reply-To: <20040330004601.GE18948@localhost>

Martin Hicks wrote:
> Hello,
> 
> Here is a patch that introduces a Transport Attribute class for SATA
> devices.  The patch also includes an update to the Vitesse driver to use
> the transport attribute.
> 
> The only problem that I'm having right now is that sometimes I get
> a NULL pointer dereference in scsi_remove_device() when I rmmod sata_vsc.
> Although sdev->host->transportt->cleanup is NULL coming into the
> function, the call to class_device_unregister(&sdev->transport_classdev)
> somtimes makes ->cleanup non-NULL and bad things happen from there.
> 
> I could not reproduce this when calling rmmod on the qla2200 driver. 
> 
> Any comments on this patch?  Any ideas about this rmmod issue?
> 
> The patch is against 2.6.5-rc1.


hmmm...  since libata is moving out of drivers/scsi in 2.7, I would 
rather leave it as-is.  The port number is easily found from userspace, 
assuming you know the PCI device, with zero code.  This adds ~300 lines 
of code to do that which is already doable... :)

	Jeff




      parent reply	other threads:[~2004-03-30  1:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-30  0:46 [PATCH] SATA Transport Attributes Martin Hicks
2004-03-30  1:16 ` Greg KH
2004-03-30  1:23 ` Jeff Garzik [this message]

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