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From:   Sasha Levin <Alexander.Levin@microsoft.com>
To:     "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC:     Quinn Tran <quinn.tran@cavium.com>,
        Himanshu Madhani <himanshu.madhani@cavium.com>,
        "Martin K . Petersen" <martin.petersen@oracle.com>,
        Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL 4.18 018/131] scsi: qla2xxx: Silent erroneous message
Thread-Topic: [PATCH AUTOSEL 4.18 018/131] scsi: qla2xxx: Silent erroneous
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Date:   Sun, 2 Sep 2018 13:03:21 +0000
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From: Quinn Tran <quinn.tran@cavium.com>

[ Upstream commit 3f915271b12e11183c606bed1c3dfff0983662d3 ]

Driver uses shadow pointer instead of Mirror pointer for firmware dump
collection. Skip those entries for Mirror pointers for Request/Response
queue from firmware dump template reading.

Following messages are printed in log messages:

 qla27xx_fwdt_entry_t268: unknown buffer 4
 qla27xx_fwdt_entry_t268: unknown buffer 5

This patch fixes these error messages by adding skip_entry() to not read
them from template.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
 drivers/scsi/qla2xxx/qla_tmpl.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmp=
l.c
index 731ca0d8520a..9f3c263756a8 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -571,6 +571,15 @@ qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha,
 		}
 		break;
=20
+	case T268_BUF_TYPE_REQ_MIRROR:
+	case T268_BUF_TYPE_RSP_MIRROR:
+		/*
+		 * Mirror pointers are not implemented in the
+		 * driver, instead shadow pointers are used by
+		 * the drier. Skip these entries.
+		 */
+		qla27xx_skip_entry(ent, buf);
+		break;
 	default:
 		ql_dbg(ql_dbg_async, vha, 0xd02b,
 		    "%s: unknown buffer %x\n", __func__, ent->t268.buf_type);
--=20
2.17.1