If TX callback sets valid_length to 0, treat as end of data.

This commit is contained in:
Martin Ling
2022-09-23 12:46:49 +01:00
parent 45504ff397
commit 2e73a4f2db

View File

@ -367,7 +367,8 @@ static int prepare_transfers(
.rx_ctx = device->rx_ctx,
.tx_ctx = device->tx_ctx,
};
if (device->callback(&transfer) == 0) {
if ((device->callback(&transfer) == 0) &&
(transfer.valid_length > 0)) {
device->transfers[transfer_index]->length =
transfer.valid_length;
ready_transfers++;
@ -1810,7 +1811,8 @@ hackrf_libusb_transfer_callback(struct libusb_transfer* usb_transfer)
// of stopping them.
pthread_mutex_lock(&device->transfer_lock);
if (success) {
if (device->streaming && device->callback(&transfer) == 0) {
if (device->streaming && (device->callback(&transfer) == 0) &&
(transfer.valid_length > 0)) {
if ((resubmit = device->transfers_setup)) {
if (usb_transfer->endpoint == TX_ENDPOINT_ADDRESS) {
usb_transfer->length = transfer.valid_length;