Merge "usb: Use Get/SetByteArrayRegion in bulkTransfer" into main

        return -1;

    }

    jbyte* bufferBytes = NULL;

    if (buffer) {

        bufferBytes = (jbyte*)env->GetPrimitiveArrayCritical(buffer, NULL);

    bool is_dir_in = (endpoint & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN;

    jbyte *bufferBytes = (jbyte *)malloc(length);

    if (!is_dir_in && buffer) {

        env->GetByteArrayRegion(buffer, start, length, bufferBytes);

    }

    jint result = usb_device_bulk_transfer(device, endpoint, bufferBytes + start, length, timeout);

    jint result = usb_device_bulk_transfer(device, endpoint, bufferBytes, length, timeout);

    if (bufferBytes) {

        env->ReleasePrimitiveArrayCritical(buffer, bufferBytes, 0);

    if (is_dir_in && buffer) {

        env->SetByteArrayRegion(buffer, start, length, bufferBytes);

    }

    free(bufferBytes);

    return result;

}