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Reject open when attach didn't complete successfully.

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This commit is contained in:
mlelstv 2020-02-10 10:05:55 +00:00
parent b4461e2abf
commit 5981b364e7
1 changed files with 6 additions and 2 deletions
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8
sys/dev/ld.c
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@ -1,4 +1,4 @@
/* $NetBSD: ld.c,v 1.107 2019/10/06 06:10:44 mlelstv Exp $ */
/* $NetBSD: ld.c,v 1.108 2020/02/10 10:05:55 mlelstv Exp $ */
/*-
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ld.c,v 1.107 2019/10/06 06:10:44 mlelstv Exp $");
__KERNEL_RCSID(0, "$NetBSD: ld.c,v 1.108 2020/02/10 10:05:55 mlelstv Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -296,6 +296,10 @@ ldopen(dev_t dev, int flags, int fmt, struct lwp *l)
unit = DISKUNIT(dev);
if ((sc = device_lookup_private(&ld_cd, unit)) == NULL)
return (ENXIO);
if ((sc->sc_flags & LDF_ENABLED) == 0)
return (ENODEV);
dksc = &sc->sc_dksc;
return dk_open(dksc, dev, flags, fmt, l);