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LFS likes to store negative values in the dinode block pointers, so 

make sure to cast the value back to int32_t after it was changed
by ufs_rw32, before passing it to blkptrtodb.
This commit is contained in:
fvdl 2003-03-21 15:46:32 +00:00
parent aab55006b2
commit 543510a84d
1 changed files with 3 additions and 3 deletions
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6
sys/ufs/ufs/ufs_bmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: ufs_bmap.c,v 1.19 2003/02/09 03:26:59 perseant Exp $ */
/* $NetBSD: ufs_bmap.c,v 1.20 2003/03/21 15:46:32 fvdl Exp $ */
/*
* Copyright (c) 1989, 1991, 1993
@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ufs_bmap.c,v 1.19 2003/02/09 03:26:59 perseant Exp $");
__KERNEL_RCSID(0, "$NetBSD: ufs_bmap.c,v 1.20 2003/03/21 15:46:32 fvdl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -142,7 +142,7 @@ ufs_bmaparray(vp, bn, bnp, ap, nump, runp)
if (bn >= 0 && bn < NDADDR) {
if (nump != NULL)
*nump = 0;
*bnp = blkptrtodb(ump, ufs_rw32(ip->i_ffs_db[bn],
*bnp = blkptrtodb(ump, (int32_t)ufs_rw32(ip->i_ffs_db[bn],
UFS_MPNEEDSWAP(vp->v_mount)));
if (*bnp == 0)
*bnp = -1;