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

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Date:	Thu, 03 Jan 2008 21:34:49 -0500
From:	Dave Dillow <dillowda@...l.gov>
To:	linux-scsi@...r.kernel.org
Cc:	tomof@....org, rdreier@...co.com, linux-kernel@...r.kernel.org,
	general@...ts.openfabrics.org,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: [2.6.24-rc BUGFIX] SRP transport: only remove our own entries

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>
---
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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