If ntfs_refresh_zone() returns error it will be changed to -ENOSPC. It
is not right. Also caller of this functions also check other errors.
Fixes: 78ab59fee07f ("fs/ntfs3: Rework file operations")
Signed-off-by: Kari Argillander <[email protected]>
---
fs/ntfs3/fsntfs.c | 51 +++++++++++++++++++++++++----------------------
1 file changed, 27 insertions(+), 24 deletions(-)
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 91e3743e1442..ae7c6435d7bc 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -358,7 +358,7 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
enum ALLOCATE_OPT opt)
{
int err;
- CLST alen = 0;
+ CLST alen;
struct super_block *sb = sbi->sb;
size_t alcn, zlen, zeroes, zlcn, zlen2, ztrim, new_zlen;
struct wnd_bitmap *wnd = &sbi->used.bitmap;
@@ -370,13 +370,15 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
if (!zlen) {
err = ntfs_refresh_zone(sbi);
if (err)
- goto out;
+ goto up_write;
+
zlen = wnd_zone_len(wnd);
}
if (!zlen) {
ntfs_err(sbi->sb, "no free space to extend mft");
- goto out;
+ err = -ENOSPC;
+ goto up_write;
}
lcn = wnd_zone_bit(wnd);
@@ -385,12 +387,11 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
wnd_zone_set(wnd, lcn + alen, zlen - alen);
err = wnd_set_used(wnd, lcn, alen);
- if (err) {
- up_write(&wnd->rw_lock);
- return err;
- }
+ if (err)
+ goto up_write;
+
alcn = lcn;
- goto out;
+ goto space_found;
}
/*
* 'Cause cluster 0 is always used this value means that we should use
@@ -404,15 +405,17 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
alen = wnd_find(wnd, len, lcn, BITMAP_FIND_MARK_AS_USED, &alcn);
if (alen)
- goto out;
+ goto space_found;
/* Try to use clusters from MftZone. */
zlen = wnd_zone_len(wnd);
zeroes = wnd_zeroes(wnd);
/* Check too big request */
- if (len > zeroes + zlen || zlen <= NTFS_MIN_MFT_ZONE)
- goto out;
+ if (len > zeroes + zlen || zlen <= NTFS_MIN_MFT_ZONE) {
+ err = -ENOSPC;
+ goto up_write;
+ }
/* How many clusters to cat from zone. */
zlcn = wnd_zone_bit(wnd);
@@ -431,22 +434,22 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
/* Allocate continues clusters. */
alen = wnd_find(wnd, len, 0,
BITMAP_FIND_MARK_AS_USED | BITMAP_FIND_FULL, &alcn);
-
-out:
- if (alen) {
- err = 0;
- *new_len = alen;
- *new_lcn = alcn;
-
- ntfs_unmap_meta(sb, alcn, alen);
-
- /* Set hint for next requests. */
- if (!(opt & ALLOCATE_MFT))
- sbi->used.next_free_lcn = alcn + alen;
- } else {
+ if (!alen) {
err = -ENOSPC;
+ goto up_write;
}
+space_found:
+ err = 0;
+ *new_len = alen;
+ *new_lcn = alcn;
+
+ ntfs_unmap_meta(sb, alcn, alen);
+
+ /* Set hint for next requests. */
+ if (!(opt & ALLOCATE_MFT))
+ sbi->used.next_free_lcn = alcn + alen;
+up_write:
up_write(&wnd->rw_lock);
return err;
}
--
2.25.1