linux-kernel - [PATCH AUTOSEL 4.19 57/66] scsi: qla2xxx: Add fixes for mailbox command

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Date:   Sat, 11 Apr 2020 19:11:54 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Himanshu Madhani <hmadhani@...vell.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 57/66] scsi: qla2xxx: Add fixes for mailbox command

From: Himanshu Madhani <hmadhani@...vell.com>

[ Upstream commit 345f574dac85276d1471492c6e90c57e3f90a4f3 ]

This patch fixes:

- qla2x00_issue_iocb_timeout will now return if chip is down

- only check for sp->qpair in abort handling

Link: https://lore.kernel.org/r/20200212214436.25532-24-hmadhani@marvell.com
Signed-off-by: Himanshu Madhani <hmadhani@...vell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index bef9faea5eeeb..0def2f7a8af28 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -1366,6 +1366,9 @@ qla2x00_issue_iocb_timeout(scsi_qla_host_t *vha, void *buffer,
 	mbx_cmd_t	mc;
 	mbx_cmd_t	*mcp = &mc;
 
+	if (qla2x00_chip_is_down(vha))
+		return QLA_INVALID_COMMAND;
+
 	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1038,
 	    "Entered %s.\n", __func__);
 
@@ -1436,7 +1439,7 @@ qla2x00_abort_command(srb_t *sp)
 	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103b,
 	    "Entered %s.\n", __func__);
 
-	if (vha->flags.qpairs_available && sp->qpair)
+	if (sp->qpair)
 		req = sp->qpair->req;
 	else
 		req = vha->req;
-- 
2.20.1