diff options
Diffstat (limited to 'fs/ntfs/super.c')
| -rw-r--r-- | fs/ntfs/super.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 71c58eca580e..fd4aecc5548e 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -1099,26 +1099,38 @@ static BOOL check_mft_mirror(ntfs_volume *vol) kmirr = page_address(mirr_page); ++index; } - /* Make sure the record is ok. */ - if (ntfs_is_baad_recordp((le32*)kmft)) { - ntfs_error(sb, "Incomplete multi sector transfer " - "detected in mft record %i.", i); + /* Do not check the record if it is not in use. */ + if (((MFT_RECORD*)kmft)->flags & MFT_RECORD_IN_USE) { + /* Make sure the record is ok. */ + if (ntfs_is_baad_recordp((le32*)kmft)) { + ntfs_error(sb, "Incomplete multi sector " + "transfer detected in mft " + "record %i.", i); mm_unmap_out: - ntfs_unmap_page(mirr_page); + ntfs_unmap_page(mirr_page); mft_unmap_out: - ntfs_unmap_page(mft_page); - return FALSE; + ntfs_unmap_page(mft_page); + return FALSE; + } } - if (ntfs_is_baad_recordp((le32*)kmirr)) { - ntfs_error(sb, "Incomplete multi sector transfer " - "detected in mft mirror record %i.", i); - goto mm_unmap_out; + /* Do not check the mirror record if it is not in use. */ + if (((MFT_RECORD*)kmirr)->flags & MFT_RECORD_IN_USE) { + if (ntfs_is_baad_recordp((le32*)kmirr)) { + ntfs_error(sb, "Incomplete multi sector " + "transfer detected in mft " + "mirror record %i.", i); + goto mm_unmap_out; + } } /* Get the amount of data in the current record. */ bytes = le32_to_cpu(((MFT_RECORD*)kmft)->bytes_in_use); - if (!bytes || bytes > vol->mft_record_size) { + if (bytes < sizeof(MFT_RECORD_OLD) || + bytes > vol->mft_record_size || + ntfs_is_baad_recordp((le32*)kmft)) { bytes = le32_to_cpu(((MFT_RECORD*)kmirr)->bytes_in_use); - if (!bytes || bytes > vol->mft_record_size) + if (bytes < sizeof(MFT_RECORD_OLD) || + bytes > vol->mft_record_size || + ntfs_is_baad_recordp((le32*)kmirr)) bytes = vol->mft_record_size; } /* Compare the two records. */ |