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Fix a null pointer dereference if curproc == NULL. 

Fixes PR port-i386/15638.
This commit is contained in:
simonb 2002-02-18 15:58:02 +00:00
parent ee92d5a672
commit b5e0d320af
1 changed files with 4 additions and 3 deletions
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7
sys/arch/i386/i386/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.164 2002/02/16 16:22:04 christos Exp $ */
/* $NetBSD: trap.c,v 1.165 2002/02/18 15:58:02 simonb Exp $ */
/*-
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@ -79,7 +79,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.164 2002/02/16 16:22:04 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.165 2002/02/18 15:58:02 simonb Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -170,7 +170,7 @@ trap(frame)
{
register struct proc *p = curproc;
int type = frame.tf_trapno;
struct pcb *pcb = &p->p_addr->u_pcb;
struct pcb *pcb;
extern char fusubail[],
resume_iret[], resume_pop_ds[], resume_pop_es[],
resume_pop_fs[], resume_pop_gs[],
@ -182,6 +182,7 @@ trap(frame)
uvmexp.traps++;
pcb = (p != NULL) ? &p->p_addr->u_pcb : NULL;
#ifdef DEBUG
if (trapdebug) {
printf("trap %d code %x eip %x cs %x eflags %x cr2 %x cpl %x\n",