linux-imx

​

    priv = kzalloc(sizeof(*priv), GFP_KERNEL);

    if (!priv)

        return -ENOMEM;

​

    INIT_LIST_HEAD(&priv->maps);

    INIT_LIST_HEAD(&priv->freeable_maps);

    mutex_init(&priv->lock);

​

#ifdef CONFIG_XEN_GNTDEV_DMABUF

    if (IS_ERR(priv->dmabuf_priv)) {

        ret = PTR_ERR(priv->dmabuf_priv);

        kfree(priv);

        return ret;

    }

#endif

​

    if (use_ptemod) {

        priv->mm = get_task_mm(current);

        if (!priv->mm) {