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fix range error when swapping postbl for compatibility

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This commit is contained in:
dbj 2004-04-13 22:36:36 +00:00
parent 6314ad1118
commit 069e170f1c
1 changed files with 6 additions and 4 deletions
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10
sbin/fsck_ffs/utilities.c
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@ -1,4 +1,4 @@
/* $NetBSD: utilities.c,v 1.45 2004/01/15 14:52:04 dbj Exp $ */ /* $NetBSD: utilities.c,v 1.46 2004/04/13 22:36:36 dbj Exp $ */
/* /*
* Copyright (c) 1980, 1986, 1993 * Copyright (c) 1980, 1986, 1993
@ -34,7 +34,7 @@
#if 0 #if 0
static char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; static char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95";
#else #else
__RCSID("$NetBSD: utilities.c,v 1.45 2004/01/15 14:52:04 dbj Exp $"); __RCSID("$NetBSD: utilities.c,v 1.46 2004/04/13 22:36:36 dbj Exp $");
#endif #endif
#endif /* not lint */ #endif /* not lint */
@ -679,7 +679,8 @@ sb_oldfscompat_read(struct fs *fs, struct fs **fssave)
/* extract the postbl from the unswapped superblock */ /* extract the postbl from the unswapped superblock */
if (!needswap) if (!needswap)
ffs_sb_swap(*fssave, *fssave); ffs_sb_swap(*fssave, *fssave);
memmove(postbl, (&(*fssave)->fs_old_postbl_start), n); memmove(postbl, (&(*fssave)->fs_old_postbl_start),
n * sizeof(postbl[0]));
if (!needswap) if (!needswap)
ffs_sb_swap(*fssave, *fssave); ffs_sb_swap(*fssave, *fssave);
@ -692,7 +693,8 @@ sb_oldfscompat_read(struct fs *fs, struct fs **fssave)
*/ */
if (needswap) if (needswap)
ffs_sb_swap(*fssave, *fssave); ffs_sb_swap(*fssave, *fssave);
memmove((&(*fssave)->fs_old_postbl_start), postbl, n); memmove((&(*fssave)->fs_old_postbl_start), postbl,
n * sizeof(postbl[0]));
if (needswap) if (needswap)
ffs_sb_swap(*fssave, *fssave); ffs_sb_swap(*fssave, *fssave);
} }