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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-11-01 15:49:31 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-11-01 15:49:31 +0000 |
| commit | 3aebf25bdcf030f3e4afeb9340486d5b46deb46e (patch) | |
| tree | d4a0d4e1f0aff3a808846807f3b4d2fd9fa35667 /fs/ntfs/file.c | |
| parent | 1f04c0a24b2f3cfe89c802a24396263623e3512d (diff) | |
| download | linux-3aebf25bdcf030f3e4afeb9340486d5b46deb46e.tar.gz linux-3aebf25bdcf030f3e4afeb9340486d5b46deb46e.tar.bz2 linux-3aebf25bdcf030f3e4afeb9340486d5b46deb46e.zip | |
NTFS: Fix a stupid bug causing writes to non-initialized pages to segfault.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Diffstat (limited to 'fs/ntfs/file.c')
| -rw-r--r-- | fs/ntfs/file.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index cf3e6ced2d01..727533891813 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -668,10 +668,10 @@ map_buffer_cached: * to, we need to read it in before the write, * i.e. now. */ - if (!buffer_uptodate(bh) && ((bh_pos < pos && - bh_end > pos) || - (bh_end > end && - bh_end > end))) { + if (!buffer_uptodate(bh) && bh_pos < end && + bh_end > pos && + (bh_pos < pos || + bh_end > end)) { /* * If the buffer is fully or partially * within the initialized size, do an @@ -784,10 +784,11 @@ retry_remap: blocksize_bits); cdelta = 0; /* - * If the number of remaining clusters in the - * @pages is smaller or equal to the number of - * cached clusters, unlock the runlist as the - * map cache will be used from now on. + * If the number of remaining clusters touched + * by the write is smaller or equal to the + * number of cached clusters, unlock the + * runlist as the map cache will be used from + * now on. */ if (likely(vcn + vcn_len >= cend)) { if (rl_write_locked) { |