diff options
| -rw-r--r-- | drivers/serial/8250.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 77f7a7f0646e..d60705e9d007 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2174,7 +2174,9 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios, } serial8250_set_mctrl(&up->port, up->port.mctrl); spin_unlock_irqrestore(&up->port.lock, flags); - tty_termios_encode_baud_rate(termios, baud, baud); + /* Don't rewrite B0 */ + if (tty_termios_baud_rate(termios)) + tty_termios_encode_baud_rate(termios, baud, baud); } static void |