linux-kernel - Re: [2.6.24-rc BUGFIX] SRP transport: only remove our own entries

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Date:	Fri, 04 Jan 2008 11:54:17 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	James.Bottomley@...senPartnership.com, dillowda@...l.gov
Cc:	linux-scsi@...r.kernel.org, tomof@....org, rdreier@...co.com,
	linux-kernel@...r.kernel.org, general@...ts.openfabrics.org,
	fujita.tomonori@....ntt.co.jp
Subject: Re: [2.6.24-rc BUGFIX] SRP transport: only remove our own entries

On Thu, 03 Jan 2008 21:34:49 -0500
Dave Dillow <dillowda@...l.gov> wrote:

> The SCSI SRP transport class currently iterates over all children
> devices of the host that is being removed in srp_remove_host(). However,
> not all of those children were created by the SRP transport, and
> removing them will cause corruption and an oops when their creator tries
> to remove them.
> 
> Signed-off-by: David Dillow <dillowda@...l.gov>
> Acked-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> ---

Thanks!

James, please put this patch into scsi-rc-fixes.

> On Fri, 2008-01-04 at 09:47 +0900, FUJITA Tomonori wrote:
> > On Thu, 03 Jan 2008 15:51:25 -0500
> > I think that this is the root problem and the patch fixes it in the
> > right way. Please send this patch to linux-scsi@...r.kernel.org and a
> > patch to move srp_remove_host before scsi_remove_host in
> > srp_remove_one to Roland.
> > 
> > Acked-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> 
> diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
> index 44a340b..65c584d 100644
> --- a/drivers/scsi/scsi_transport_srp.c
> +++ b/drivers/scsi/scsi_transport_srp.c
> @@ -265,7 +265,8 @@ EXPORT_SYMBOL_GPL(srp_rport_del);
>  
>  static int do_srp_rport_del(struct device *dev, void *data)
>  {
> -	srp_rport_del(dev_to_rport(dev));
> +	if (scsi_is_srp_rport(dev))
> +		srp_rport_del(dev_to_rport(dev));
>  	return 0;
>  }
>  
> 
> -
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