diff options
| -rw-r--r-- | fs/hfs/btree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 9b9d6395bad..052f214ea6f 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -58,6 +58,11 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke } unlock_new_inode(tree->inode); + if (!HFS_I(tree->inode)->first_blocks) { + printk(KERN_ERR "hfs: invalid btree extent records (0 size).\n"); + goto free_inode; + } + mapping = tree->inode->i_mapping; page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) |