From 9325cac8c04c9f251771e8c55c46c34a6dd79a68 Mon Sep 17 00:00:00 2001 From: Himanshu Madhani 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 RH-Acked-by: Tony Camuso From: Quinn Tran Bugzilla 1729270 Prevent user from sending commands through sysfs while FW is not running or reset is in progress. Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen (cherry picked from commit b726d99d72fd4b36ae82efb35d0073b0c9441205) Signed-off-by: Himanshu Madhani Signed-off-by: Jan Stancek --- 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