diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/class/cdc/cdc_host.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c index f8d996e17..326567689 100644 --- a/src/class/cdc/cdc_host.c +++ b/src/class/cdc/cdc_host.c @@ -459,7 +459,8 @@ bool cdch_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t } else if ( ep_addr == p_cdc->stream.rx.ep_addr ) { - tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes); + // skip if ZLP + if (xferred_bytes) tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes); // invoke receive callback |