> +static int prepare_ipc_data(int fd)
> +{
> + int ret;
> + struct ipc_ns_data ipc;
> +
> + ret = read_img(fd, &ipc);
> + if (ret <= 0)
> + return -EFAULT;
> + ret = prepare_ipc_tun(&ipc.entry);
> + if (ret < 0)
> + return ret;
> + return 0;
return prepare_ipc_tun(&ipc.entry);
> +}