diff options
| author | Constantine Sapuntzakis <csapuntz@cvs.openbsd.org> | 2001-11-21 22:24:25 +0000 |
|---|---|---|
| committer | Constantine Sapuntzakis <csapuntz@cvs.openbsd.org> | 2001-11-21 22:24:25 +0000 |
| commit | aa7ba4d60a47c5848bd68420bde3af167d9b1c41 (patch) | |
| tree | 84f270698e44360082718747592055f72b51bf4b /sys/ufs | |
| parent | baaeb2e9ba83449a40f23f0f9d8080cc55041de6 (diff) | |
Added sanity checks
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ufs/ufs_bmap.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/ufs/ufs/ufs_bmap.c b/sys/ufs/ufs/ufs_bmap.c index c688fa665b7..add641e15ce 100644 --- a/sys/ufs/ufs/ufs_bmap.c +++ b/sys/ufs/ufs/ufs_bmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ufs_bmap.c,v 1.9 2000/06/23 02:14:39 mickey Exp $ */ +/* $OpenBSD: ufs_bmap.c,v 1.10 2001/11/21 22:24:24 csapuntz Exp $ */ /* $NetBSD: ufs_bmap.c,v 1.3 1996/02/09 22:36:00 christos Exp $ */ /* @@ -243,6 +243,13 @@ ufs_getlbns(vp, bn, ap, nump) if ((long)bn < 0) bn = -(long)bn; +#ifdef DIAGNOSTIC + if (realbn < 0 && realbn > -NDADDR) { + panic ("ufs_getlbns: Invalid indirect block %d specified\n", + realbn); + } +#endif + /* The first NDADDR blocks are direct blocks. */ if (bn < NDADDR) return (0); @@ -293,6 +300,11 @@ ufs_getlbns(vp, bn, ap, nump) metalbn -= -1 + off * blockcnt; } +#ifdef DIAGNOSTIC + if (realbn < 0 && metalbn != realbn) { + panic("ufs_getlbns: indirect block %d not found", realbn); + } +#endif if (nump) *nump = numlevels; return (0); |