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author | Ingo Molnar <mingo@elte.hu> | 2009-10-29 09:02:15 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-10-29 09:02:20 +0100 |
commit | 9de09ace8d518141a4375e1d216ab64db4377799 (patch) | |
tree | da8e7a77f4ea91eb3bb73fc6da72ecf8c99e1c16 /fs/xfs/xfs_dir2_leaf.c | |
parent | 1beee96bae0daf7f491356777c3080cc436950f5 (diff) | |
parent | 6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (diff) | |
download | lwn-9de09ace8d518141a4375e1d216ab64db4377799.tar.gz lwn-9de09ace8d518141a4375e1d216ab64db4377799.zip |
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up fixes and move base from -rc1 to -rc5.
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 fa913e459442..41ad537c49e9 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; } /* |