ClabureDB: Classified Bug-Reports Database

out:
        mutex_unlock(&lock);
        return ret;
}

static struct notifier_block cma_nb = {
        .notifier_call = cma_netdev_callback
};

static void cma_add_one(struct ib_device *device)
{
        struct cma_device *cma_dev;
        struct rdma_id_private *id_priv;

        cma_dev = kmalloc(sizeof *cma_dev, GFP_KERNEL);
        if (!cma_dev)
                return;

        cma_dev->device = device;

        init_completion(&cma_dev->comp);
        atomic_set(&cma_dev->refcount, 1);
        INIT_LIST_HEAD(&cma_dev->id_list);
        ib_set_client_data(device, &cma_client, cma_dev);

        mutex_lock(&lock);
        list_add_tail(&cma_dev->list, &dev_list);
        list_for_each_entry(id_priv, &listen_any_list, list)
                cma_listen_on_dev(id_priv, cma_dev);
        mutex_unlock(&lock);
}

static int cma_remove_id_dev(struct rdma_id_private *id_priv)
{
        struct rdma_cm_event event;
        enum cma_state state;
        int ret = 0;

        /* Record that we want to remove the device */
        state = cma_exch(id_priv, CMA_DEVICE_REMOVAL);