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Btrfs: handle error returns from btrfs_lookup_dir_item() 

If btrfs_lookup_dir_item() fails, we should can just let the mount fail
with an error.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Dan Carpenter 2010-05-29 09:40:57 +00:00 committed by Chris Mason
parent 3bf84a5a83
commit fb4f6f910c
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/super.c
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@ -360,6 +360,8 @@ static struct dentry *get_default_root(struct super_block *sb,
*/
dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
di = btrfs_lookup_dir_item(NULL, root, path, dir_id, "default", 7, 0);
if (IS_ERR(di))
return ERR_CAST(di);
if (!di) {
/*
* Ok the default dir item isn't there. This is weird since