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Make querying the disk geometry fail silently if called for a non-exitent

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disk.
XXX: DIOCGDISKINFO returns strange error codes
This commit is contained in:
martin 2015-06-03 17:53:23 +00:00
parent 7919272009
commit 80e8cba3b7
1 changed files with 12 additions and 5 deletions
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15
sbin/fsck/partutil.c
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@ -1,4 +1,4 @@
/* $NetBSD: partutil.c,v 1.14 2014/12/29 16:35:38 christos Exp $ */
/* $NetBSD: partutil.c,v 1.15 2015/06/03 17:53:23 martin Exp $ */
/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: partutil.c,v 1.14 2014/12/29 16:35:38 christos Exp $");
__RCSID("$NetBSD: partutil.c,v 1.15 2015/06/03 17:53:23 martin Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -99,7 +99,7 @@ getdiskinfo(const char *s, int fd, const char *dt, struct disk_geom *geo,
prop_dictionary_t disk_dict, geom_dict;
struct stat sb;
const struct partition *pp;
int ptn;
int ptn, error;
if (dt) {
lp = getdiskbyname(dt);
@ -108,7 +108,13 @@ getdiskinfo(const char *s, int fd, const char *dt, struct disk_geom *geo,
}
/* Get disk description dictionary */
if (prop_dictionary_recv_ioctl(fd, DIOCGDISKINFO, &disk_dict)) {
error = prop_dictionary_recv_ioctl(fd, DIOCGDISKINFO, &disk_dict);
/* fail quickly if the device does not exist at all */
if (error == ENXIO)
return -1;
if (error) {
/*
* Ask for disklabel if DIOCGDISKINFO failed. This is
* compatibility call and can be removed when all devices
@ -116,6 +122,7 @@ getdiskinfo(const char *s, int fd, const char *dt, struct disk_geom *geo,
* cgd, ccd pseudo disk drives doesn't support DIOCGDDISKINFO
*/
if (ioctl(fd, DIOCGDINFO, lp) == -1) {
if (errno != ENXIO)
warn("DIOCGDINFO on %s failed", s);
return -1;
}