diff options
Diffstat (limited to 'sys/dev/sio/sio.c')
| -rw-r--r-- | sys/dev/sio/sio.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c index b3272ba..305256d 100644 --- a/sys/dev/sio/sio.c +++ b/sys/dev/sio/sio.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)com.c 7.5 (Berkeley) 5/16/91 - * $Id: sio.c,v 1.39 1994/03/25 15:10:50 ache Exp $ + * $Id: sio.c,v 1.40 1994/03/26 13:40:18 ache Exp $ */ #include "sio.h" @@ -715,12 +715,12 @@ bidir_open_top: disable_intr(); (void) inb(com->line_status_port); (void) inb(com->data_port); - com->prev_modem_status = inb(com->modem_status_port); + if (!got_status) + com->last_modem_status = + com->prev_modem_status = inb(com->modem_status_port); outb(iobase + com_ier, IER_ERXRDY | IER_ETXRDY | IER_ERLS | IER_EMSC); enable_intr(); - if (!got_status) - com->last_modem_status = com->prev_modem_status; if (com->prev_modem_status & MSR_DCD || FAKE_DCD(unit)) tp->t_state |= TS_CARR_ON; } else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) { |
