189 	int err, slot = -ENODEV;  in dca_add_requester()  local
214 		slot = dca->ops->add_requester(dca, dev);  in dca_add_requester()
215 		if (slot >= 0)  in dca_add_requester()
221 	if (slot < 0)  in dca_add_requester()
222 		return slot;  in dca_add_requester()
224 	err = dca_sysfs_add_req(dca, dev, slot);  in dca_add_requester()
244 	int slot;  in dca_remove_requester()  local
256 	slot = dca->ops->remove_requester(dca, dev);  in dca_remove_requester()
259 	if (slot < 0)  in dca_remove_requester()
260 		return slot;  in dca_remove_requester()
262 	dca_sysfs_remove_req(dca, slot);  in dca_remove_requester()