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authorGrant Likely <grant.likely@secretlab.ca>2009-11-23 14:49:36 -0700
committerGrant Likely <grant.likely@secretlab.ca>2009-11-23 14:49:36 -0700
commit2cfcadde83b308240690ff1c18f117d8bc7a08b0 (patch)
treeaa0795966d070d1f7a5221232d9ba47744bddb5f /fs/hfs/btree.c
parente91edcf5a2940bb7f1f316c871dfe9e2aaf9d6d9 (diff)
parent648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff)
downloadtalos-op-linux-2cfcadde83b308240690ff1c18f117d8bc7a08b0.tar.gz
talos-op-linux-2cfcadde83b308240690ff1c18f117d8bc7a08b0.zip
Merge commit 'v2.6.32-rc8'
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 9b9d6395bad3..052f214ea6f0 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))
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