diff options
| -rw-r--r-- | chardev/char-serial.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/chardev/char-serial.c b/chardev/char-serial.c index 2f8f83821d..10162f9fa3 100644 --- a/chardev/char-serial.c +++ b/chardev/char-serial.c @@ -64,9 +64,14 @@ static void tty_serial_init(int fd, int speed, #endif tcgetattr(fd, &tty); -#define check_speed(val) if (speed <= val) { spd = B##val; break; } +#define check_speed(val) \ + if (speed <= val) { \ + spd = B##val; \ + goto done; \ + } + speed = speed * 10 / 11; - do { + { check_speed(50); check_speed(75); check_speed(110); @@ -125,8 +130,10 @@ static void tty_serial_init(int fd, int speed, check_speed(4000000); #endif spd = B115200; - } while (0); + } +#undef check_speed + done: cfsetispeed(&tty, spd); cfsetospeed(&tty, spd); |