struct rds_ib_device *rds_ib_get_client_data(struct ib_device *device)
{
	struct rds_ib_device *rds_ibdev;

	rcu_read_lock();
	rds_ibdev = ib_get_client_data(device, &rds_ib_client);
	if (rds_ibdev)
		atomic_inc(&rds_ibdev->refcount);
	rcu_read_unlock();
	return rds_ibdev;
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.