ovs_assert(buffer->size == 0);
ovs_assert(ofpbuf_tailroom(buffer) >= ETH_TOTAL_MIN);
- retval = rx->netdev->netdev_class->rx_recv(rx, buffer->data,
- ofpbuf_tailroom(buffer));
- if (retval >= 0) {
+ retval = rx->netdev->netdev_class->rx_recv(rx, buffer);
+ if (!retval) {
COVERAGE_INC(netdev_received);
- buffer->size += retval;
if (buffer->size < ETH_TOTAL_MIN) {
ofpbuf_put_zeros(buffer, ETH_TOTAL_MIN - buffer->size);
}
return 0;
} else {
- return -retval;
+ return retval;
}
}