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authorNathan Scott <nathans@sgi.com>2006-07-28 17:05:51 +1000
committerNathan Scott <nathans@sgi.com>2006-07-28 17:05:51 +1000
commit41ff715abc49324fb2cb20e66bc4e0290cfdbe51 (patch)
tree94fec0d8444596d400e6df6ad4d508faf3eed872 /fs/xfs
parentb2ea401bac39e75ebb64038609ed22efbc799905 (diff)
[XFS] Ensure bulkstat from an invalid inode number gets caught always with
EINVAL. SGI-PV: 953819 SGI-Modid: xfs-linux-melb:xfs-kern:26629a Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_inode.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 86c1bf0bba9..1f8ecff8553 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -334,10 +334,9 @@ xfs_itobp(
#if !defined(__KERNEL__)
ni = 0;
#elif defined(DEBUG)
- ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 :
- (BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog);
+ ni = BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog;
#else /* usual case */
- ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 : 1;
+ ni = 1;
#endif
for (i = 0; i < ni; i++) {
@@ -348,11 +347,15 @@ xfs_itobp(
(i << mp->m_sb.sb_inodelog));
di_ok = INT_GET(dip->di_core.di_magic, ARCH_CONVERT) == XFS_DINODE_MAGIC &&
XFS_DINODE_GOOD_VERSION(INT_GET(dip->di_core.di_version, ARCH_CONVERT));
- if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP,
- XFS_RANDOM_ITOBP_INOTOBP))) {
+ if (unlikely(XFS_TEST_ERROR(!di_ok, mp,
+ XFS_ERRTAG_ITOBP_INOTOBP,
+ XFS_RANDOM_ITOBP_INOTOBP))) {
+ if (imap_flags & XFS_IMAP_BULKSTAT) {
+ xfs_trans_brelse(tp, bp);
+ return XFS_ERROR(EINVAL);
+ }
#ifdef DEBUG
- if (!(imap_flags & XFS_IMAP_BULKSTAT))
- cmn_err(CE_ALERT,
+ cmn_err(CE_ALERT,
"Device %s - bad inode magic/vsn "
"daddr %lld #%d (magic=%x)",
XFS_BUFTARG_NAME(mp->m_ddev_targp),