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CID-1427768: Off by one

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This commit is contained in:
christos 2018-01-21 16:55:25 +00:00
parent 32b8caff3f
commit 2cb68edf89
1 changed files with 3 additions and 3 deletions
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6
sys/kern/subr_disk_mbr.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_disk_mbr.c,v 1.48 2018/01/07 03:35:43 christos Exp $ */
/* $NetBSD: subr_disk_mbr.c,v 1.49 2018/01/21 16:55:25 christos Exp $ */
/*
* Copyright (c) 1982, 1986, 1988 Regents of the University of California.
@ -54,7 +54,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_disk_mbr.c,v 1.48 2018/01/07 03:35:43 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_disk_mbr.c,v 1.49 2018/01/21 16:55:25 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -724,7 +724,7 @@ setdisklabel(struct disklabel *olp, struct disklabel *nlp, u_long openmask,
while (openmask != 0) {
i = ffs(openmask) - 1;
openmask &= ~(1 << i);
if (i > nlp->d_npartitions)
if (i >= nlp->d_npartitions)
return (EBUSY);
opp = &olp->d_partitions[i];
npp = &nlp->d_partitions[i];