summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/tty/serial/dz.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index 2e21acf39720..3eaf4e85bfdd 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c
@@ -592,9 +592,12 @@ static void dz_set_termios(struct uart_port *uport, struct ktermios *termios,
baud = uart_get_baud_rate(uport, termios, old_termios, 50, 9600);
bflag = dz_encode_baud_rate(baud);
- if (bflag < 0) { /* Try to keep unchanged. */
- baud = uart_get_baud_rate(uport, old_termios, NULL, 50, 9600);
- bflag = dz_encode_baud_rate(baud);
+ if (bflag < 0) {
+ if (old_termios) {
+ /* Keep unchanged. */
+ baud = tty_termios_baud_rate(old_termios);
+ bflag = dz_encode_baud_rate(baud);
+ }
if (bflag < 0) { /* Resort to 9600. */
baud = 9600;
bflag = DZ_B9600;