diff options
Diffstat (limited to 'fs/ntfs')
| -rw-r--r-- | fs/ntfs/aops.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c index 01c770979921..8946130c87ad 100644 --- a/fs/ntfs/aops.c +++ b/fs/ntfs/aops.c @@ -922,7 +922,7 @@ static int ntfs_write_mst_block(struct page *page, ntfs_volume *vol = ni->vol; u8 *kaddr; unsigned int rec_size = ni->itype.index.block_size; - ntfs_inode *locked_nis[PAGE_SIZE / rec_size]; + ntfs_inode *locked_nis[PAGE_SIZE / NTFS_BLOCK_SIZE]; struct buffer_head *bh, *head, *tbh, *rec_start_bh; struct buffer_head *bhs[MAX_BUF_PER_PAGE]; runlist_element *rl; @@ -931,6 +931,9 @@ static int ntfs_write_mst_block(struct page *page, bool sync, is_mft, page_is_dirty, rec_is_dirty; unsigned char bh_size_bits; + if (WARN_ON(rec_size < NTFS_BLOCK_SIZE)) + return -EINVAL; + ntfs_debug("Entering for inode 0x%lx, attribute type 0x%x, page index " "0x%lx.", vi->i_ino, ni->type, page->index); BUG_ON(!NInoNonResident(ni)); |