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authorNathan Scott <nathans@sgi.com>2006-07-28 03:05:51 -0400
committerNathan Scott <nathans@sgi.com>2006-07-28 03:05:51 -0400
commit41ff715abc49324fb2cb20e66bc4e0290cfdbe51 (patch)
tree94fec0d8444596d400e6df6ad4d508faf3eed872 /fs/xfs/xfs_inode.c
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/xfs_inode.c')
-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 86c1bf0bba9e..1f8ecff8553a 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -334,10 +334,9 @@ xfs_itobp(
334#if !defined(__KERNEL__) 334#if !defined(__KERNEL__)
335 ni = 0; 335 ni = 0;
336#elif defined(DEBUG) 336#elif defined(DEBUG)
337 ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 : 337 ni = BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog;
338 (BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog);
339#else /* usual case */ 338#else /* usual case */
340 ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 : 1; 339 ni = 1;
341#endif 340#endif
342 341
343 for (i = 0; i < ni; i++) { 342 for (i = 0; i < ni; i++) {
@@ -348,11 +347,15 @@ xfs_itobp(
348 (i << mp->m_sb.sb_inodelog)); 347 (i << mp->m_sb.sb_inodelog));
349 di_ok = INT_GET(dip->di_core.di_magic, ARCH_CONVERT) == XFS_DINODE_MAGIC && 348 di_ok = INT_GET(dip->di_core.di_magic, ARCH_CONVERT) == XFS_DINODE_MAGIC &&
350 XFS_DINODE_GOOD_VERSION(INT_GET(dip->di_core.di_version, ARCH_CONVERT)); 349 XFS_DINODE_GOOD_VERSION(INT_GET(dip->di_core.di_version, ARCH_CONVERT));
351 if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, 350 if (unlikely(XFS_TEST_ERROR(!di_ok, mp,
352 XFS_RANDOM_ITOBP_INOTOBP))) { 351 XFS_ERRTAG_ITOBP_INOTOBP,
352 XFS_RANDOM_ITOBP_INOTOBP))) {
353 if (imap_flags & XFS_IMAP_BULKSTAT) {
354 xfs_trans_brelse(tp, bp);
355 return XFS_ERROR(EINVAL);
356 }
353#ifdef DEBUG 357#ifdef DEBUG
354 if (!(imap_flags & XFS_IMAP_BULKSTAT)) 358 cmn_err(CE_ALERT,
355 cmn_err(CE_ALERT,
356 "Device %s - bad inode magic/vsn " 359 "Device %s - bad inode magic/vsn "
357 "daddr %lld #%d (magic=%x)", 360 "daddr %lld #%d (magic=%x)",
358 XFS_BUFTARG_NAME(mp->m_ddev_targp), 361 XFS_BUFTARG_NAME(mp->m_ddev_targp),