[src/trunk]: src/sys/dev/sun Fix panic on sun3 when any key is typed when kbd...

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

details:   https://anonhg.NetBSD.org/src/rev/dd4608954ba7
branches:  trunk
changeset: 968512:dd4608954ba7
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sat Jan 18 21:08:42 2020 +0000

description:
Fix panic on sun3 when any key is typed when kbd is not console. PR/54873

Should be pulled up to netbsd-9.

diffstat:

 sys/dev/sun/kbd.c |  12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diffs (41 lines):

diff -r be731f85a7e3 -r dd4608954ba7 sys/dev/sun/kbd.c
--- a/sys/dev/sun/kbd.c Sat Jan 18 20:47:15 2020 +0000
+++ b/sys/dev/sun/kbd.c Sat Jan 18 21:08:42 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kbd.c,v 1.70 2019/11/10 21:16:37 chs Exp $     */
+/*     $NetBSD: kbd.c,v 1.71 2020/01/18 21:08:42 tsutsui Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -47,7 +47,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kbd.c,v 1.70 2019/11/10 21:16:37 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kbd.c,v 1.71 2020/01/18 21:08:42 tsutsui Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -202,7 +202,7 @@
        k->k_events.ev_io = l->l_proc;
 
        /* stop pending autorepeat of console input */
-       if (k->k_repeating) {
+       if (k->k_cc != NULL && k->k_repeating) {
                k->k_repeating = 0;
                callout_stop(&k->k_repeat_ch);
        }
@@ -492,9 +492,11 @@
 
        /*
         * If /dev/kbd is not connected in event mode, or wskbd mode,
-        * translate and send upstream (to console).
+        * and is attached as console, translate and send upstream
+        * (to console).
         */
-       kbd_input_console(k, code);
+       if (k->k_cc != NULL)
+               kbd_input_console(k, code);
 }