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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Johannes Thumshirn <jthumshirn@suse.de>,
        Lee Duncan <lduncan@suse.com>, Hannes Reinecke <hare@suse.de>,
        Bart Van Assche <Bart.VanAssche@sandisk.com>,
        Chris Leech <cleech@redhat.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>
Subject: [PATCH 4.9 25/66] scsi: libiscsi: fix shifting of DID_REQUEUE host byte
Date:   Mon, 29 Jan 2018 13:56:49 +0100
Message-Id: <20180129123841.152403916@linuxfoundation.org>
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4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Johannes Thumshirn <jthumshirn@suse.de>

commit eef9ffdf9cd39b2986367bc8395e2772bc1284ba upstream.

The SCSI host byte should be shifted left by 16 in order to have
scsi_decide_disposition() do the right thing (.i.e. requeue the
command).

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Fixes: 661134ad3765 ("[SCSI] libiscsi, bnx2i: make bound ep check common")
Cc: Lee Duncan <lduncan@suse.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Bart Van Assche <Bart.VanAssche@sandisk.com>
Cc: Chris Leech <cleech@redhat.com>
Acked-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1727,7 +1727,7 @@ int iscsi_queuecommand(struct Scsi_Host
 
 	if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
 		reason = FAILURE_SESSION_IN_RECOVERY;
-		sc->result = DID_REQUEUE;
+		sc->result = DID_REQUEUE << 16;
 		goto fault;
 	}