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Fake success when trying to use the strategy() routine on a network device. 

This avoids clobbering errno and bad error messages.
This commit is contained in:
ragge 2000-05-26 20:18:57 +00:00
parent e2148b38ab
commit b2bc655ba8
1 changed files with 18 additions and 5 deletions
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23
sys/arch/vax/boot/boot/conf.c
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@ -1,4 +1,4 @@
/* $NetBSD: conf.c,v 1.8 2000/05/21 20:17:43 ragge Exp $ */
/* $NetBSD: conf.c,v 1.9 2000/05/26 20:18:57 ragge Exp $ */
/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
* All rights reserved.
@ -37,6 +37,8 @@
#include "../../include/rpb.h"
#include "lib/libkern/libkern.h"
#include "lib/libsa/stand.h"
#include "lib/libsa/ufs.h"
#include "lib/libsa/nfs.h"
@ -45,9 +47,11 @@
#include "vaxstand.h"
static int nostrategy(void *, int, daddr_t, size_t, void *, size_t *);
struct devsw devsw[]={
SADEV("hp",hpstrategy, hpopen, nullsys, noioctl),
SADEV("qe",nodev, qeopen, qeclose, noioctl), /* DEQNA */
SADEV("qe",nostrategy, qeopen, qeclose, noioctl), /* DEQNA */
SADEV("ctu",ctustrategy, ctuopen, nullsys, noioctl),
SADEV("ra",rastrategy, raopen, nullsys, noioctl),
SADEV("mt",rastrategy, raopen, nullsys, noioctl),
@ -55,10 +59,10 @@ struct devsw devsw[]={
SADEV("rd",mfmstrategy, mfmopen, nullsys, noioctl),
SADEV("sd",romstrategy, romopen, nullsys, noioctl),
SADEV("st",nullsys, nullsys, nullsys, noioctl),
SADEV("le",nodev, leopen, leclose, noioctl), /* LANCE */
SADEV("ze",nodev, zeopen, zeclose, noioctl), /* SGEC */
SADEV("le",nostrategy, leopen, leclose, noioctl), /* LANCE */
SADEV("ze",nostrategy, zeopen, zeclose, noioctl), /* SGEC */
SADEV("rl",romstrategy, romopen, nullsys, noioctl),
SADEV("de",nodev, deopen, declose, noioctl), /* DEUNA */
SADEV("de",nostrategy, deopen, declose, noioctl), /* DEUNA */
};
int cnvtab[] = {
@ -89,3 +93,12 @@ struct fs_ops file_system[] = {
};
int nfsys = (sizeof(file_system) / sizeof(struct fs_ops));
int
nostrategy(void *f, int func, daddr_t dblk,
size_t size, void *buf, size_t *rsize)
{
*rsize = size;
bzero(buf, size);
return 0;
}