summaryrefslogtreecommitdiffstats
path: root/fs/hfs/btree.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/hfs/btree.c')
-rw-r--r--fs/hfs/btree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 9b9d639..052f214 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))
OpenPOWER on IntegriCloud