diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index ea5a9f37c9d2..42bca619f854 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1009,7 +1009,7 @@ static void iscsi_flashnode_sess_release(struct device *dev)
 	kfree(fnode_sess);
 }
 
-struct device_type iscsi_flashnode_sess_dev_type = {
+static struct device_type iscsi_flashnode_sess_dev_type = {
 	.name = "iscsi_flashnode_sess_dev_type",
 	.groups = iscsi_flashnode_sess_attr_groups,
 	.release = iscsi_flashnode_sess_release,
@@ -1195,13 +1195,13 @@ static void iscsi_flashnode_conn_release(struct device *dev)
 	kfree(fnode_conn);
 }
 
-struct device_type iscsi_flashnode_conn_dev_type = {
+static struct device_type iscsi_flashnode_conn_dev_type = {
 	.name = "iscsi_flashnode_conn_dev_type",
 	.groups = iscsi_flashnode_conn_attr_groups,
 	.release = iscsi_flashnode_conn_release,
 };
 
-struct bus_type iscsi_flashnode_bus;
+static struct bus_type iscsi_flashnode_bus;
 
 int iscsi_flashnode_bus_match(struct device *dev,
 				     struct device_driver *drv)
@@ -1212,7 +1212,7 @@ int iscsi_flashnode_bus_match(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(iscsi_flashnode_bus_match);
 
-struct bus_type iscsi_flashnode_bus = {
+static struct bus_type iscsi_flashnode_bus = {
 	.name = "iscsi_flashnode",
 	.match = &iscsi_flashnode_bus_match,
 };