From 33b114e935a2202206e224dd2c695cee5a5986bf Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 11 Jan 2006 14:20:43 +0100
Subject: [PATCH] [SCSI] sas: clear parent->rphy in sas_rphy_delete

We need to clear the backpointer on rphy removal, else we'll run into
problems with host removal after a device has been hot unplugged.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---
 drivers/scsi/scsi_transport_sas.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index edabbd05d258..357b52f5f996 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -697,6 +697,8 @@ sas_rphy_delete(struct sas_rphy *rphy)
 	list_del(&rphy->list);
 	spin_unlock(&sas_host->lock);
 
+	parent->rphy = NULL;
+
 	put_device(&parent->dev);
 }
 EXPORT_SYMBOL(sas_rphy_delete);
-- 
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