diff options
Diffstat (limited to 'sys/kern/tty.c')
| -rw-r--r-- | sys/kern/tty.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index 7e6cf00..9ef095c 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -102,10 +102,11 @@ static const char *dev_console_filename; static void tty_watermarks(struct tty *tp) { - size_t bs; + size_t bs = 0; /* Provide an input buffer for 0.2 seconds of data. */ - bs = MIN(tp->t_termios.c_ispeed / 5, TTYBUF_MAX); + if (tp->t_termios.c_cflag & CREAD) + bs = MIN(tp->t_termios.c_ispeed / 5, TTYBUF_MAX); ttyinq_setsize(&tp->t_inq, tp, bs); /* Set low watermark at 10% (when 90% is available). */ @@ -890,6 +891,7 @@ ttydevsw_defparam(struct tty *tp, struct termios *t) t->c_ospeed = B50; else if (t->c_ospeed > B115200) t->c_ospeed = B115200; + t->c_cflag |= CREAD; return (0); } |
