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I don't understand just what exactly changed in the past week that the GDINFO ioctl call here would smash the value of 'fd' and fail, but making fd volatile seems to fix it, for this program at least.

This commit is contained in:
tls 1997-06-30 08:09:22 +00:00
parent f2bdde942a
commit 4a70009927
1 changed files with 5 additions and 5 deletions
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10
sbin/newfs/newfs.c
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@ -1,4 +1,4 @@
/* $NetBSD: newfs.c,v 1.23 1997/01/30 09:56:41 tls Exp $ */
/* $NetBSD: newfs.c,v 1.24 1997/06/30 08:09:22 tls Exp $ */
/*
* Copyright (c) 1983, 1989, 1993, 1994
@ -43,7 +43,7 @@ static char copyright[] =
#if 0
static char sccsid[] = "@(#)newfs.c 8.8 (Berkeley) 4/18/94";
#else
static char rcsid[] = "$NetBSD: newfs.c,v 1.23 1997/01/30 09:56:41 tls Exp $";
static char rcsid[] = "$NetBSD: newfs.c,v 1.24 1997/06/30 08:09:22 tls Exp $";
#endif
#endif /* not lint */
@ -558,11 +558,11 @@ char lmsg[] = "%s: can't read disk label";
struct disklabel *
getdisklabel(s, fd)
char *s;
int fd;
volatile int fd;
{
static struct disklabel lab;
if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) {
if (ioctl(fd, DIOCGDINFO, &lab) < 0) {
#ifdef COMPAT
if (disktype) {
struct disklabel *lp, *getdiskbyname();
@ -582,7 +582,7 @@ getdisklabel(s, fd)
rewritelabel(s, fd, lp)
char *s;
int fd;
volatile int fd;
register struct disklabel *lp;
{
#ifdef COMPAT