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Check msgbufenabled before referencing msgbufp in panic. Avoids

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a NULL ptr reference if there is an early panic (i.e. before
initmsgbuf() was called).
This commit is contained in:
fvdl 2001-07-10 20:40:56 +00:00
parent 932578f354
commit 75e45c9dee
1 changed files with 3 additions and 3 deletions
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6
sys/kern/subr_prf.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_prf.c,v 1.80 2001/05/30 15:24:25 lukem Exp $ */
/* $NetBSD: subr_prf.c,v 1.81 2001/07/10 20:40:56 fvdl Exp $ */
/*-
* Copyright (c) 1986, 1988, 1991, 1993
@ -207,7 +207,7 @@ panic(fmt, va_alist)
panicstr = fmt;
doing_shutdown = 1;
if (msgbufp->msg_magic == MSG_MAGIC)
if (msgbufenabled && msgbufp->msg_magic == MSG_MAGIC)
panicstart = msgbufp->msg_bufx;
va_start(ap, fmt);
@ -216,7 +216,7 @@ panic(fmt, va_alist)
printf("\n");
va_end(ap);
if (msgbufp->msg_magic == MSG_MAGIC)
if (msgbufenabled && msgbufp->msg_magic == MSG_MAGIC)
panicend = msgbufp->msg_bufx;
#ifdef IPKDB