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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-12 14:38:08 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-12 14:38:08 +0100 |
| commit | edc72786d208e77db94f84dcb0d166c0d23d82f7 (patch) | |
| tree | 6fd32770f9cb2f1a888775514294d60aecba5245 /fs/xfs/xfs_dir2_leaf.c | |
| parent | 6a5e293f1b34920c69a932ce37b4a4714a428dc7 (diff) | |
| parent | 4367216a099b4df3fa2c4f2b086cda1a1e9afc4e (diff) | |
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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; } /* |