if (err != 0) {
fprintf(stderr, "Can't submit transfer: %s\n", usb_strerror(err));
libusb_free_transfer(transfer);
- free(data_buf);
return NULL;
}
if (cb_data && cb_data->cb) {
if (debug)
hexdump(transfer->buffer, transfer->actual_length, "USB > ");
- cb_data->cb(transfer->buffer, transfer->actual_length, cb_data->data);
+
+ if (!cb_data->cb(transfer->buffer, transfer->actual_length, cb_data->data)) {
+ quit = EIO;
+
+ if (cb_data && cb_data->dev && cb_data->dev->transfer) {
+ libusb_free_transfer(cb_data->dev->transfer);
+ cb_data->dev->transfer = NULL;
+ }
+
+ return;
+ }
} else {
hexdump(transfer->buffer, transfer->actual_length, "> ");
}
err = libusb_submit_transfer(transfer);
if (err != 0) {
fprintf(stderr, "Can't re-submit transfer: %s\n", usb_strerror(err));
- free(transfer->buffer);
libusb_free_transfer(transfer);
}
}