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| author | Dmitriy Monakhov <dmonakhov@sw.ru> | 2007-03-05 00:30:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-05 07:57:53 -0800 |
| commit | 82b16528405131eadc18285da982d4806f6db34e (patch) | |
| tree | 0c59a2cfa72c0833c364a94d16e6017f42154e9f /fs/ecryptfs/main.c | |
| parent | a5f5e43e2b1377392f9afe93aca29b9abf1d6a44 (diff) | |
| download | kernel-crypto-82b16528405131eadc18285da982d4806f6db34e.tar.gz kernel-crypto-82b16528405131eadc18285da982d4806f6db34e.tar.xz kernel-crypto-82b16528405131eadc18285da982d4806f6db34e.zip | |
[PATCH] ecryptfs: lower root result must be adirectory
- Currently after path_lookup succeed we dot't have any guarantie what
it is DIR. This must be explicitly demanded.
- path_lookup can't return negative dentry, So inode check is useless.
Signed-off-by: Dmitriy Monakhov <dmonakhov@openvz.org>
Acked-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs/main.c')
| -rw-r--r-- | fs/ecryptfs/main.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 812427e6805..fc4a3a22464 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -484,18 +484,12 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name) struct vfsmount *lower_mnt; memset(&nd, 0, sizeof(struct nameidata)); - rc = path_lookup(dev_name, LOOKUP_FOLLOW, &nd); + rc = path_lookup(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &nd); if (rc) { ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n"); goto out; } lower_root = nd.dentry; - if (!lower_root->d_inode) { - ecryptfs_printk(KERN_WARNING, - "No directory to interpose on\n"); - rc = -ENOENT; - goto out_free; - } lower_mnt = nd.mnt; ecryptfs_set_superblock_lower(sb, lower_root->d_sb); sb->s_maxbytes = lower_root->d_sb->s_maxbytes; |