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check rawvp before doing ioctl or strategy.

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This commit is contained in:
christos 2011-03-03 03:39:08 +00:00
parent c0aba2e531
commit b1b063f09f
1 changed files with 7 additions and 3 deletions
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10
sys/dev/dkwedge/dk.c
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@ -1,4 +1,4 @@
/* $NetBSD: dk.c,v 1.59 2011/02/28 18:28:20 christos Exp $ */
/* $NetBSD: dk.c,v 1.60 2011/03/03 03:39:08 christos Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.59 2011/02/28 18:28:20 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.60 2011/03/03 03:39:08 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@ -1115,7 +1115,9 @@ dkstrategy(struct buf *bp)
bp->b_error = ENODEV;
goto done;
}
if (sc->sc_state != DKW_STATE_RUNNING) {
if (sc->sc_state != DKW_STATE_RUNNING ||
sc->sc_parent->dk_rawvp == NULL) {
bp->b_error = ENXIO;
goto done;
}
@ -1330,6 +1332,8 @@ dkioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
return (ENODEV);
if (sc->sc_state != DKW_STATE_RUNNING)
return (ENXIO);
if (sc->sc_parent->dk_rawvp == NULL)
return (ENXIO);
error = disk_ioctl(&sc->sc_dk, cmd, data, flag, l);
if (error != EPASSTHROUGH)