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| author | Nathan Scott <nathans@sgi.com> | 2006-07-28 17:05:51 +1000 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-07-28 17:05:51 +1000 |
| commit | 41ff715abc49324fb2cb20e66bc4e0290cfdbe51 (patch) | |
| tree | 94fec0d8444596d400e6df6ad4d508faf3eed872 | |
| parent | b2ea401bac39e75ebb64038609ed22efbc799905 (diff) | |
| download | op-kernel-dev-41ff715abc49324fb2cb20e66bc4e0290cfdbe51.zip op-kernel-dev-41ff715abc49324fb2cb20e66bc4e0290cfdbe51.tar.gz | |
[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>
| -rw-r--r-- | fs/xfs/xfs_inode.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 86c1bf0..1f8ecff 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), |
