[src/trunk]: src/sys/dev/sun PR port-sparc64/52622: mark the parent device as...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6190ff3a57f1
branches:  trunk
changeset: 827507:6190ff3a57f1
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Oct 31 10:46:47 2017 +0000

description:
PR port-sparc64/52622: mark the parent device as TS_KERN_ONLY,
so userland will not touch it (and change serial params w/o our
controll).

diffstat:

 sys/dev/sun/sunkbd.c |  7 +++++--
 sys/dev/sun/sunms.c  |  7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diffs (84 lines):

diff -r bb084ce9bf15 -r 6190ff3a57f1 sys/dev/sun/sunkbd.c
--- a/sys/dev/sun/sunkbd.c      Tue Oct 31 10:45:19 2017 +0000
+++ b/sys/dev/sun/sunkbd.c      Tue Oct 31 10:46:47 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sunkbd.c,v 1.29 2013/09/15 14:10:04 martin Exp $       */
+/*     $NetBSD: sunkbd.c,v 1.30 2017/10/31 10:46:47 martin Exp $       */
 
 /*
  * Copyright (c) 1992, 1993
@@ -51,7 +51,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunkbd.c,v 1.29 2013/09/15 14:10:04 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunkbd.c,v 1.30 2017/10/31 10:46:47 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -145,6 +145,7 @@
        KASSERT(tp->t_linesw == &sunkbd_disc);
        tp->t_oflag &= ~OPOST;
        tp->t_dev = args->kmta_dev;
+       SET(tp->t_state, TS_KERN_ONLY);
 
        /* link the structures together. */
        k->k_priv = tp;
@@ -218,6 +219,7 @@
        int error;
 
        /* Open the lower device */
+       CLR(tp->t_state, TS_KERN_ONLY);
        if ((error = cdev_open(tp->t_dev, O_NONBLOCK|flags,
                                     0/* ignored? */, l)) != 0)
                return (error);
@@ -228,6 +230,7 @@
        t.c_ospeed = sunkbd_bps;
        t.c_cflag =  CLOCAL|CS8;
        (*tp->t_param)(tp, &t);
+       SET(tp->t_state, TS_KERN_ONLY);
 
        return (0);
 }
diff -r bb084ce9bf15 -r 6190ff3a57f1 sys/dev/sun/sunms.c
--- a/sys/dev/sun/sunms.c       Tue Oct 31 10:45:19 2017 +0000
+++ b/sys/dev/sun/sunms.c       Tue Oct 31 10:46:47 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sunms.c,v 1.32 2013/09/15 14:13:19 martin Exp $        */
+/*     $NetBSD: sunms.c,v 1.33 2017/10/31 10:46:47 martin Exp $        */
 
 /*
  * Copyright (c) 1992, 1993
@@ -52,7 +52,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.32 2013/09/15 14:13:19 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.33 2017/10/31 10:46:47 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -162,6 +162,7 @@
        tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name);
        KASSERT(tp->t_linesw == &sunms_disc);
        tp->t_oflag &= ~OPOST;
+       SET(tp->t_state, TS_KERN_ONLY);
 
        /* Initialize translator. */
        ms->ms_byteno = -1;
@@ -192,6 +193,7 @@
        int error;
 
        /* Open the lower device */
+       CLR(tp->t_state, TS_KERN_ONLY);
        if ((error = cdev_open(tp->t_dev, O_NONBLOCK|flags,
                                     0/* ignored? */, l)) != 0)
                return (error);
@@ -202,6 +204,7 @@
        t.c_ospeed = sunms_bps;
        t.c_cflag =  CLOCAL|CS8;
        (*tp->t_param)(tp, &t);
+       SET(tp->t_state, TS_KERN_ONLY);
 
        return (0);
 }