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| author | Takashi Iwai <tiwai@suse.de> | 2009-11-14 14:38:28 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-11-14 14:38:28 +0100 |
| commit | 0c3c35e148dbc03106038dd25816fb9f3a084d86 (patch) | |
| tree | 8b8cc6a027353a0f242f61362b35b0942da61b83 /fs/xfs/xfs_dir2_leaf.c | |
| parent | 50d40f187f9182ee8caa1b83f80a0e11e2226baa (diff) | |
| parent | 5e08fe570c2dbabb5015c37049eb9a451e55c890 (diff) | |
| download | kernel-crypto-0c3c35e148dbc03106038dd25816fb9f3a084d86.tar.gz kernel-crypto-0c3c35e148dbc03106038dd25816fb9f3a084d86.tar.xz kernel-crypto-0c3c35e148dbc03106038dd25816fb9f3a084d86.zip | |
Merge branch 'fix/misc' into topic/misc
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; } /* |