static ssize_t ib_ucm_send_info(struct ib_ucm_file *file,
				const char __user *inbuf, int in_len,
				int (*func)(struct ib_cm_id *cm_id,
					    int status,
					    const void *info,
					    u8 info_len,
					    const void *data,
					    u8 data_len))
{
	struct ib_ucm_context *ctx;
	struct ib_ucm_info cmd;
	const void *data = NULL;
	const void *info = NULL;
	int result;

	if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
		return -EFAULT;

	result = ib_ucm_alloc_data(&data, cmd.data, cmd.data_len);
	if (result)
		goto done;

	result = ib_ucm_alloc_data(&info, cmd.info, cmd.info_len);
	if (result)
		goto done;

	ctx = ib_ucm_ctx_get(file, cmd.id);
	if (!IS_ERR(ctx)) {
		result = func(ctx->cm_id, cmd.status, info, cmd.info_len,
			      data, cmd.data_len);
		ib_ucm_ctx_put(ctx);
	} else
		result = PTR_ERR(ctx);

done:
	kfree(data);
	kfree(info);
	return result;
}
static ssize_t ib_ucm_send_info(struct ib_ucm_file *file,
				const char __user *inbuf, int in_len,
				int (*func)(struct ib_cm_id *cm_id,
					    int status,
					    const void *info,
					    u8 info_len,
					    const void *data,
					    u8 data_len))
{
	struct ib_ucm_context *ctx;
	struct ib_ucm_info cmd;
	const void *data = NULL;
	const void *info = NULL;
	int result;

	if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
		return -EFAULT;

	result = ib_ucm_alloc_data(&data, cmd.data, cmd.data_len);
	if (result)
		goto done;

	result = ib_ucm_alloc_data(&info, cmd.info, cmd.info_len);
	if (result)
		goto done;

	ctx = ib_ucm_ctx_get(file, cmd.id);
	if (!IS_ERR(ctx)) {
		result = func(ctx->cm_id, cmd.status, info, cmd.info_len,
			      data, cmd.data_len);
		ib_ucm_ctx_put(ctx);
	} else
		result = PTR_ERR(ctx);

done:
	kfree(data);
	kfree(info);
	return result;
}