From: Quinn Tran <qutran@marvell.com>
Date: Fri, 26 Jul 2019 09:07:31 -0700
Subject: scsi: qla2xxx: Reject EH_{abort|device_reset|target_request}
Patch-mainline: v5.4-rc1
Git-commit: 7f4374e67b3046c9628cf0ab93a117704a38e95d
References: bsc#1082635 bsc#1141340 bsc#1143706

Reject eh_{abort|device_reset|target_reset} when rport is being torn down
or chip is down.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/scsi/qla2xxx/qla_os.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1302,6 +1302,9 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 	if (!qpair)
 		return SUCCESS;
 
+	if (sp->fcport && sp->fcport->deleted)
+		return SUCCESS;
+
 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
 	if (sp->type != SRB_SCSI_CMD || GET_CMD_SP(sp) != cmd) {
 		/* there's a chance an interrupt could clear
@@ -1426,6 +1429,9 @@ __qla2xxx_eh_generic_reset(char *name, e
 	if (err != 0)
 		return err;
 
+	if (fcport->deleted)
+		return SUCCESS;
+
 	ql_log(ql_log_info, vha, 0x8009,
 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
 	    cmd->device->id, cmd->device->lun, cmd);
@@ -1540,6 +1546,9 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *c
 		return ret;
 	ret = FAILED;
 
+	if (qla2x00_chip_is_down(vha))
+		return ret;
+
 	ql_log(ql_log_info, vha, 0x8012,
 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);