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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index d73e677201f8..fc07be5fbce9 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -3113,6 +3113,9 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
+ if (phba->sli_rev >= LPFC_SLI_REV4)
+ return -EPERM;
+
if ((off + count) > FF_REG_AREA_SIZE)
return -ERANGE;
@@ -3163,6 +3166,9 @@ sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
+ if (phba->sli_rev >= LPFC_SLI_REV4)
+ return -EPERM;
+
if (off > FF_REG_AREA_SIZE)
return -ERANGE;