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author | James Morris <jmorris@macbook.(none)> | 2009-12-03 12:03:40 +0530 |
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committer | James Morris <jmorris@macbook.(none)> | 2009-12-03 12:03:40 +0530 |
commit | c84d6efd363a3948eb32ec40d46bab6338580454 (patch) | |
tree | 3ba7ac46e6626fe8ac843834588609eb6ccee5c6 /fs/xfs/xfs_dir2_leaf.c | |
parent | 7539cf4b92be4aecc573ea962135f246a7a33401 (diff) | |
parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
download | kernel-crypto-c84d6efd363a3948eb32ec40d46bab6338580454.tar.gz kernel-crypto-c84d6efd363a3948eb32ec40d46bab6338580454.tar.xz kernel-crypto-c84d6efd363a3948eb32ec40d46bab6338580454.zip |
Merge branch 'master' into next
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; } /* |