diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-10-15 08:07:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-15 08:07:30 +0200 |
| commit | a0738a688d1105cbf8d71868a1e020c6cdf42d4c (patch) | |
| tree | 2cad553a9def773ce79b8fc793f89c0634187109 /fs/xfs/xfs_dir2_leaf.c | |
| parent | 89ccf465abe6b20d804a63ae20307970c441369d (diff) | |
| parent | a3ccf63ee643ef243cbf8918da8b3f9238f10029 (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: pull in latest, to be able to revert a patch there.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/xfs/xfs_dir2_leaf.c')
| -rw-r--r-- | fs/xfs/xfs_dir2_leaf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index fa913e45944..41ad537c49e 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -854,6 +854,7 @@ xfs_dir2_leaf_getdents( */ ra_want = howmany(bufsize + mp->m_dirblksize, mp->m_sb.sb_blocksize) - 1; + ASSERT(ra_want >= 0); /* * If we don't have as many as we want, and we haven't @@ -1088,7 +1089,8 @@ xfs_dir2_leaf_getdents( */ ptr += length; curoff += length; - bufsize -= length; + /* bufsize may have just been a guess; don't go negative */ + bufsize = bufsize > length ? bufsize - length : 0; } /* |