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Btrfs: handle error returns from btrfs_lookup_dir_item()
author
Dan Carpenter
<error27@gmail.com>
Sat, 29 May 2010 09:40:57 +0000
(09:40 +0000)
committer
Chris Mason
<chris.mason@oracle.com>
Fri, 11 Jun 2010 19:57:33 +0000
(15:57 -0400)
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>
fs/btrfs/super.c
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diff --git
a/fs/btrfs/super.c
b/fs/btrfs/super.c
index
574285c
..
9ea7114
100644
(file)
--- a/
fs/btrfs/super.c
+++ b/
fs/btrfs/super.c
@@
-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