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

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

From: Quinn Tran <quinn.t...@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.t...@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madh...@cavium.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/scsi/qla2xxx/qla_tmpl.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- 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_
                }
                break;
 
+       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);


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