diff options
| -rw-r--r-- | fs/ntfs/ChangeLog | 2 | ||||
| -rw-r--r-- | fs/ntfs/runlist.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index f4c27f7c1b6a..8fe38c801166 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -46,6 +46,8 @@ ToDo/Notes: - Fix two nasty runlist merging bugs that had gone unnoticed so far. Thanks to Stefano Picerno for the bug report. - Remove two bogus BUG_ON()s from fs/ntfs/mft.c. + - Fix handling of valid but empty mapping pairs array in + fs/ntfs/runlist.c::ntfs_mapping_pairs_decompress(). 2.1.23 - Implement extension of resident files and make writing safe as well as many bug fixes, cleanups, and enhancements... diff --git a/fs/ntfs/runlist.c b/fs/ntfs/runlist.c index d26a1be530c5..e4c4716939de 100644 --- a/fs/ntfs/runlist.c +++ b/fs/ntfs/runlist.c @@ -760,6 +760,9 @@ runlist_element *ntfs_mapping_pairs_decompress(const ntfs_volume *vol, ntfs_error(vol->sb, "Corrupt attribute."); return ERR_PTR(-EIO); } + /* If the mapping pairs array is valid but empty, nothing to do. */ + if (!vcn && !*buf) + return old_rl; /* Current position in runlist array. */ rlpos = 0; /* Allocate first page and set current runlist size to one page. */ |