From: Christoph Hellwig <hch@lst.de>
Date: Wed, 11 Jan 2006 13:20:43 +0000 (+0100)
Subject: [SCSI] sas: clear parent->rphy in sas_rphy_delete
X-Git-Tag: v2.6.16-rc1~162^2~57
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=33b114e935a2202206e224dd2c695cee5a5986bf;p=~shefty%2Frdma-dev.git

[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>
---

diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index edabbd05d25..357b52f5f99 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);