From 4e0df42774c572d009f3a4fd787def98a633fd6a Mon Sep 17 00:00:00 2001
From: "Andrey A. Chernov" <ache@FreeBSD.org>
Date: Tue, 28 Mar 1995 12:26:40 +0000
Subject: [PATCH] Don't use 		       if (tp->t_line != 0) test when
 CS_ODONE, it fails for NTTYDISC, use 		       if
 (linesw[tp->t_line].l_start != ttstart) instead.

Reviewed by:
Submitted by:
Obtained from:
CVS:
---
 sys/dev/sio/sio.c  | 5 ++---
 sys/i386/isa/sio.c | 5 ++---
 sys/isa/sio.c      | 5 ++---
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c
index 70d0f4d4e33..c0a232fc749 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 1.74 1995/03/28 10:51:59 ache Exp $
+ *	$Id: sio.c,v 1.75 1995/03/28 11:13:44 ache Exp $
  */
 
 #include "sio.h"
@@ -1525,8 +1525,7 @@ repeat:
 		}
 		if (com->state & CS_ODONE) {
 			comflush(com);
-			/* XXX - why isn't the table used for t_line == 0? */
-			if (tp->t_line != 0)
+			if (linesw[tp->t_line].l_start != ttstart)
 				(*linesw[tp->t_line].l_start)(tp);
 			else
 				comstart(tp);
diff --git a/sys/i386/isa/sio.c b/sys/i386/isa/sio.c
index 70d0f4d4e33..c0a232fc749 100644
--- a/sys/i386/isa/sio.c
+++ b/sys/i386/isa/sio.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)com.c	7.5 (Berkeley) 5/16/91
- *	$Id: sio.c,v 1.74 1995/03/28 10:51:59 ache Exp $
+ *	$Id: sio.c,v 1.75 1995/03/28 11:13:44 ache Exp $
  */
 
 #include "sio.h"
@@ -1525,8 +1525,7 @@ repeat:
 		}
 		if (com->state & CS_ODONE) {
 			comflush(com);
-			/* XXX - why isn't the table used for t_line == 0? */
-			if (tp->t_line != 0)
+			if (linesw[tp->t_line].l_start != ttstart)
 				(*linesw[tp->t_line].l_start)(tp);
 			else
 				comstart(tp);
diff --git a/sys/isa/sio.c b/sys/isa/sio.c
index 70d0f4d4e33..c0a232fc749 100644
--- a/sys/isa/sio.c
+++ b/sys/isa/sio.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)com.c	7.5 (Berkeley) 5/16/91
- *	$Id: sio.c,v 1.74 1995/03/28 10:51:59 ache Exp $
+ *	$Id: sio.c,v 1.75 1995/03/28 11:13:44 ache Exp $
  */
 
 #include "sio.h"
@@ -1525,8 +1525,7 @@ repeat:
 		}
 		if (com->state & CS_ODONE) {
 			comflush(com);
-			/* XXX - why isn't the table used for t_line == 0? */
-			if (tp->t_line != 0)
+			if (linesw[tp->t_line].l_start != ttstart)
 				(*linesw[tp->t_line].l_start)(tp);
 			else
 				comstart(tp);