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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,
        Bader Ali - Saleh <bader.alisaleh@microsemi.com>,
        Scott Teel <scott.teel@microsemi.com>,
        Scott Benesh <scott.benesh@microsemi.com>,
        Kevin Barnett <kevin.barnett@microsemi.com>,
        Don Brace <don.brace@microsemi.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.4 49/78] scsi: hpsa: correct scsi command status issue after reset
Date:   Thu, 22 Aug 2019 10:18:53 -0700
Message-Id: <20190822171833.464324948@linuxfoundation.org>
In-Reply-To: <20190822171832.012773482@linuxfoundation.org>
References: <20190822171832.012773482@linuxfoundation.org>
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[ Upstream commit eeebce1862970653cdf5c01e98bc669edd8f529a ]

Reviewed-by: Bader Ali - Saleh <bader.alisaleh@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/hpsa.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e0952882e1320..fcce3ae119fa4 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2153,6 +2153,8 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h,
 	case IOACCEL2_SERV_RESPONSE_COMPLETE:
 		switch (c2->error_data.status) {
 		case IOACCEL2_STATUS_SR_TASK_COMP_GOOD:
+			if (cmd)
+				cmd->result = 0;
 			break;
 		case IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND:
 			cmd->result |= SAM_STAT_CHECK_CONDITION;
@@ -2320,8 +2322,10 @@ static void process_ioaccel2_completion(struct ctlr_info *h,
 
 	/* check for good status */
 	if (likely(c2->error_data.serv_response == 0 &&
-			c2->error_data.status == 0))
+			c2->error_data.status == 0)) {
+		cmd->result = 0;
 		return hpsa_cmd_free_and_done(h, c, cmd);
+	}
 
 	/*
 	 * Any RAID offload error results in retry which will use
@@ -5236,6 +5240,12 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
 	}
 	c = cmd_tagged_alloc(h, cmd);
 
+	/*
+	 * This is necessary because the SML doesn't zero out this field during
+	 * error recovery.
+	 */
+	cmd->result = 0;
+
 	/*
 	 * Call alternate submit routine for I/O accelerated commands.
 	 * Retries always go down the normal I/O path.
-- 
2.20.1