[src/trunk]: src/sys/arch/vax/vax Add some small checks to avoid unwanted pan...

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

details:   https://anonhg.NetBSD.org/src/rev/3a49e24e2f52
branches:  trunk
changeset: 473804:3a49e24e2f52
user:      ragge <ragge%NetBSD.org@localhost>
date:      Sun Jun 20 00:53:02 1999 +0000

description:
Add some small checks to avoid unwanted panic types.

diffstat:

 sys/arch/vax/vax/trap.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r 1e708a8c75ba -r 3a49e24e2f52 sys/arch/vax/vax/trap.c
--- a/sys/arch/vax/vax/trap.c   Sun Jun 20 00:51:37 1999 +0000
+++ b/sys/arch/vax/vax/trap.c   Sun Jun 20 00:53:02 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: trap.c,v 1.44 1999/03/24 05:51:17 mrg Exp $     */
+/*     $NetBSD: trap.c,v 1.45 1999/06/20 00:53:02 ragge Exp $     */
 /*
  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
  * All rights reserved.
@@ -171,7 +171,8 @@
 #endif
 #ifdef DIAGNOSTIC
                if (p == 0)
-                       panic("trap: access fault without process");
+                       panic("trap: access fault: addr %lx code %lx",
+                           frame->pc, frame->code);
 #endif
                /*
                 * First check for ptefetch. Can only happen to pages
@@ -228,7 +229,7 @@
                break;
 
        case T_PTELEN:
-               if (p->p_addr)
+               if (p && p->p_addr)
                        FAULTCHK;
                panic("ptelen fault in system space: addr %lx pc %lx",
                    frame->code, frame->pc);