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authorAnton Altaparmakov <aia21@cantab.net>2005-11-01 15:49:31 +0000
committerAnton Altaparmakov <aia21@cantab.net>2005-11-01 15:49:31 +0000
commit3aebf25bdcf030f3e4afeb9340486d5b46deb46e (patch)
treed4a0d4e1f0aff3a808846807f3b4d2fd9fa35667 /fs/ntfs
parent1f04c0a24b2f3cfe89c802a24396263623e3512d (diff)
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')
-rw-r--r--fs/ntfs/file.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index cf3e6ced2d0..72753389181 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) {