diff options
| -rw-r--r-- | components/drivers/serial/serial.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c index 04034e8c44..e1d606557b 100644 --- a/components/drivers/serial/serial.c +++ b/components/drivers/serial/serial.c @@ -428,12 +428,10 @@ static void rt_dma_recv_update_put_index(struct rt_serial_device *serial, rt_siz } } - if(rx_fifo->is_full == RT_TRUE) + if(rx_fifo->is_full == RT_TRUE) { - rx_fifo->get_index = rx_fifo->put_index; - } - - if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0; + rx_fifo->get_index = rx_fifo->put_index; + } } /* |