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;