Find the endpoint



gotemp_probe():

        /* find the one control endpoint of this device */
        endpoint = &interface->cur_altsetting->endpoint[0].desc;

        buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);

        gdev->int_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
        if (!gdev->int_in_buffer) {
                dev_err(&interface->dev,
                        "Could not allocate buffer\n");
                goto error;
        }