diff mbox series

[08/14] fs/ntfs3: Correct ntfs_check_for_free_space

Message ID c097330f-1472-1011-e5a4-53183ee108da@paragon-software.com (mailing list archive)
State New
Headers show
Series fs/ntfs3: Additional bugfix and refactoring | expand

Commit Message

Konstantin Komarov Oct. 28, 2022, 5:05 p.m. UTC 
zlen in some cases was bigger than correct value.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
---
  fs/ntfs3/fsntfs.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index b56ffb4951cc..e5a1f4df0397 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -432,7 +432,7 @@  bool ntfs_check_for_free_space(struct ntfs_sb_info *sbi, CLST clen, CLST mlen)
  	wnd = &sbi->used.bitmap;
  	down_read_nested(&wnd->rw_lock, BITMAP_MUTEX_CLUSTERS);
  	free = wnd_zeroes(wnd);
-	zlen = wnd_zone_len(wnd);
+	zlen = min_t(size_t, NTFS_MIN_MFT_ZONE, wnd_zone_len(wnd));
  	up_read(&wnd->rw_lock);
  
  	if (free < zlen + clen)