From: Quinn Tran <qtran@marvell.com>
Date: Fri, 15 Feb 2019 14:37:18 -0800
Subject: [PATCH] scsi: qla2xxx: Prevent SysFS access when chip is down
References: bsc#1136215
Git-commit: b726d99d72fd4b36ae82efb35d0073b0c9441205
Patch-mainline: v5.1-rc1
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>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
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 ae47337c4b35..79ce21b11565 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;
--
2.16.4