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authorQuinn Tran <qutran@marvell.com>2019-10-22 21:36:43 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2019-10-23 04:36:04 +0200
commit8d8b83f5be2a3bdac3695a94e6cb5e50bd114869 (patch)
treeae9ede49f3022470aed13e204ade4934dd4a21ba /drivers/scsi/qla2xxx/qla_attr.c
parentscsi: qla2xxx: Initialized mailbox to prevent driver load failure (diff)
downloadlinux-8d8b83f5be2a3bdac3695a94e6cb5e50bd114869.tar.xz
linux-8d8b83f5be2a3bdac3695a94e6cb5e50bd114869.zip
scsi: qla2xxx: Fix partial flash write of MBI
For new adapters with multiple flash regions to write to, current code allows FW & Boot regions to be written, while other regions are blocked via sysfs. The fix is to block all flash read/write through sysfs interface. Fixes: e81d1bcbde06 ("scsi: qla2xxx: Further limit FLASH region write access from SysFS") Cc: stable@vger.kernel.org # 5.2 Link: https://lore.kernel.org/r/20191022193643.7076-3-hmadhani@marvell.com Signed-off-by: Quinn Tran <qutran@marvell.com> Signed-off-by: Girish Basrur <gbasrur@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 8b3015361428..8705ca6395e4 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -440,9 +440,6 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
valid = 0;
if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
valid = 1;
- else if (start == (ha->flt_region_boot * 4) ||
- start == (ha->flt_region_fw * 4))
- valid = 1;
else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
valid = 1;
if (!valid) {
@@ -489,8 +486,10 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
"Writing flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size);
- ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
+ rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
+ if (rval)
+ rval = -EIO;
break;
default:
rval = -EINVAL;