diff options
Diffstat (limited to 'drivers/tty/serial/max310x.c')
| -rw-r--r-- | drivers/tty/serial/max310x.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 36943f6c198c..81b2413c3da4 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -680,10 +680,16 @@ static void max310x_handle_rx(struct uart_port *port, unsigned int rxlen) port->icount.overrun++; } - for (i = 0; i < rxlen; ++i) { - uart_insert_char(port, sts, MAX310X_LSR_RXOVR_BIT, - one->rx_buf[i], flag); - } + for (i = 0; i < (rxlen - 1); ++i) + uart_insert_char(port, sts, 0, one->rx_buf[i], flag); + + /* + * Handle the overrun case for the last character only, since + * the RxFIFO overflow happens after it is pushed to the FIFO + * tail. + */ + uart_insert_char(port, sts, MAX310X_LSR_RXOVR_BIT, + one->rx_buf[rxlen], flag); } else { if (unlikely(rxlen >= port->fifosize)) { |