linux-kernel - [PATCH 04/11] scsi: hisi

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Date:   Wed, 2 May 2018 23:56:27 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linuxarm@...wei.com>,
        <linux-kernel@...r.kernel.org>,
        Xiang Chen <chenxiang66@...ilicon.com>,
        "John Garry" <john.garry@...wei.com>
Subject: [PATCH 04/11] scsi: hisi_sas: fix PI memory size

From: Xiang Chen <chenxiang66@...ilicon.com>

There are 28 bytes of protection information record of SSP for
v3 hw, 16 bytes for v2 hw, and probably 24 for v1 hw (forgotten
now).

So use a value big enough in hisi_sas_command_table_ssp.prot to
cover all cases.

Signed-off-by: Xiang Chen <chenxiang66@...ilicon.com>
Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 147cfaf..04a40c4 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -410,7 +410,7 @@ struct hisi_sas_command_table_ssp {
 	union {
 		struct {
 			struct ssp_command_iu task;
-			u32 prot[6];
+			u32 prot[7];
 		};
 		struct ssp_tmf_iu ssp_task;
 		struct xfer_rdy_iu xfer_rdy;
-- 
1.9.1