603 	int vif_id = -1, err = 0;  in carl9170_op_add_interface()  local
612 		vif_id = vif_priv->id;  in carl9170_op_add_interface()
662 	vif_id = bitmap_find_free_region(&ar->vif_bitmap, ar->fw.vif_num, 0);  in carl9170_op_add_interface()
664 	if (vif_id < 0) {  in carl9170_op_add_interface()
671 	BUG_ON(ar->vif_priv[vif_id].id != vif_id);  in carl9170_op_add_interface()
674 	vif_priv->id = vif_id;  in carl9170_op_add_interface()
689 	rcu_assign_pointer(ar->vif_priv[vif_id].vif, vif);  in carl9170_op_add_interface()
717 		err = carl9170_mod_virtual_mac(ar, vif_id, vif->addr);  in carl9170_op_add_interface()
724 		err = carl9170_write_reg(ar, ar->fw.tx_seq_table + vif_id * 4,  in carl9170_op_add_interface()
731 	if (err && (vif_id >= 0)) {  in carl9170_op_add_interface()
733 		bitmap_release_region(&ar->vif_bitmap, vif_id, 0);  in carl9170_op_add_interface()
735 		RCU_INIT_POINTER(ar->vif_priv[vif_id].vif, NULL);  in carl9170_op_add_interface()