data buffer is freed by libusb_free_transfer

diff --git a/hmcfgusb.c b/hmcfgusb.c
index 1a6bb76..bfe0369 100644 (file)
--- a/hmcfgusb.c
+++ b/hmcfgusb.c
@@ -191,7 +191,6 @@ static struct libusb_transfer *hmcfgusb_prepare_int(libusb_device_handle *devh,
        if (err != 0) {
                fprintf(stderr, "Can't submit transfer: %s\n", usb_strerror(err));
                libusb_free_transfer(transfer);
-               free(data_buf);
                return NULL;
        }