From 9325cac8c04c9f251771e8c55c46c34a6dd79a68 Mon Sep 17 00:00:00 2001
From: Himanshu Madhani <hmadhani@redhat.com>
Date: Thu, 1 Aug 2019 15:54:42 -0400
Subject: [PATCH 022/124] [scsi] scsi: qla2xxx: Prevent SysFS access when chip
 is down

Message-id: <20190801155618.12650-23-hmadhani@redhat.com>
Patchwork-id: 267817
O-Subject: [RHEL 7.8 e-stor PATCH 022/118] scsi: qla2xxx: Prevent SysFS access when chip is down
Bugzilla: 1729270
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>

From: Quinn Tran <qtran@marvell.com>

Bugzilla 1729270

Prevent user from sending commands through sysfs while FW is not running or
reset is in progress.

Signed-off-by: Quinn Tran <qtran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit b726d99d72fd4b36ae82efb35d0073b0c9441205)
Signed-off-by: Himanshu Madhani <hmadhani@redhat.com>
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 drivers/scsi/qla2xxx/qla_attr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 037016290044..2e168fb19531 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -543,6 +543,9 @@ qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 	if (unlikely(pci_channel_offline(ha->pdev)))
 		return 0;
 
+	if (qla2x00_chip_is_down(vha))
+		return 0;
+
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 	    !ha->isp_ops->write_nvram)
 		return 0;
-- 
2.13.6