linux-kernel - [ 185/184] [SCSI] mpt2sas: Send default descriptor for RAID pass through in mpt2ctl

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Message-ID: <20130605094227.GA27324@1wt.eu>
Date:	Wed, 5 Jun 2013 11:42:27 +0200
From:	Willy Tarreau <w@....eu>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Kashyap Desai <kashyap.desai@....com>,
	James Bottomley <James.Bottomley@...e.de>,
	Moritz Muehlenhoff <jmm@...til.org>
Subject: [ 185/184] [SCSI] mpt2sas: Send default descriptor for RAID pass through in mpt2ctl

2.6.32-longterm review patch.  If anyone has any objections, please let me know.
Thanks to Moritz for spotting this missing patch from the series.

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

From: "Kashyap, Desai" <kashyap.desai@....com>

RAID_SCSI_IO_PASSTHROUGH: Driver needs to be sending the default
descriptor for RAID Passthru, currently its sending SCSI_IO descriptor.

Signed-off-by: Kashyap Desai <kashyap.desai@....com>
Signed-off-by: James Bottomley <James.Bottomley@...e.de>
---
 drivers/scsi/mpt2sas/mpt2sas_ctl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index ddaa99c..d88e975 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -744,8 +744,11 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 		    mpt2sas_base_get_sense_buffer_dma(ioc, smid);
 		priv_sense = mpt2sas_base_get_sense_buffer(ioc, smid);
 		memset(priv_sense, 0, SCSI_SENSE_BUFFERSIZE);
-		mpt2sas_base_put_smid_scsi_io(ioc, smid,
-		    le16_to_cpu(mpi_request->FunctionDependent1));
+		if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
+			mpt2sas_base_put_smid_scsi_io(ioc, smid,
+			    le16_to_cpu(mpi_request->FunctionDependent1));
+		else
+			mpt2sas_base_put_smid_default(ioc, smid);
 		break;
 	}
 	case MPI2_FUNCTION_SCSI_TASK_MGMT:
-- 
1.7.12.2.21.g234cd45.dirty

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