linux-kernel - [PATCH 4.9 109/130] scsi: ses: Fix SAS device detection in enclosure

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Message-Id: <20170124075539.384984043@linuxfoundation.org>
Date:   Tue, 24 Jan 2017 08:55:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "Ewan D. Milne" <emilne@...hat.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.9 109/130] scsi: ses: Fix SAS device detection in enclosure

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ewan D. Milne <emilne@...hat.com>

commit 9373eba6cfae48911b977d14323032cd5d161aae upstream.

The call to scsi_is_sas_rphy() needs to be made on the SAS end_device,
not on the SCSI device.

Fixes: 835831c57e9b ("ses: use scsi_is_sas_rphy instead of is_sas_attached")
Signed-off-by: Ewan D. Milne <emilne@...hat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>
Reviewed-by: James Bottomley <James.Bottomley@...senPartnership.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/ses.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -587,7 +587,7 @@ static void ses_match_to_enclosure(struc

 	ses_enclosure_data_process(edev, to_scsi_device(edev->edev.parent), 0);

-	if (scsi_is_sas_rphy(&sdev->sdev_gendev))
+	if (scsi_is_sas_rphy(sdev->sdev_target->dev.parent))
 		efd.addr = sas_get_address(sdev);

 	if (efd.addr) {