diff options
| author | Ingo Molnar <mingo@kernel.org> | 2018-10-29 09:12:34 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-29 09:12:34 +0300 |
| commit | 97ec37c57dd411d0815455bca07166411c0da1df (patch) | |
| tree | d64850c43778d15c137772957788093a8b7d032c /fs/ecryptfs/inode.c | |
| parent | ace6485a03266cc3c198ce8e927a1ce0ce139699 (diff) | |
| parent | b59dfdaef173677b0b7e10f375226c0a1114fd20 (diff) | |
| download | linux-97ec37c57dd411d0815455bca07166411c0da1df.tar.xz | |
Merge branch 'linus' into x86/urgent, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/ecryptfs/inode.c')
| -rw-r--r-- | fs/ecryptfs/inode.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 49121e5a8de2..5c36ceecb5c1 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -593,11 +593,16 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry, lower_new_dir_dentry = dget_parent(lower_new_dentry); target_inode = d_inode(new_dentry); trap = lock_rename(lower_old_dir_dentry, lower_new_dir_dentry); + rc = -EINVAL; + if (lower_old_dentry->d_parent != lower_old_dir_dentry) + goto out_lock; + if (lower_new_dentry->d_parent != lower_new_dir_dentry) + goto out_lock; + if (d_unhashed(lower_old_dentry) || d_unhashed(lower_new_dentry)) + goto out_lock; /* source should not be ancestor of target */ - if (trap == lower_old_dentry) { - rc = -EINVAL; + if (trap == lower_old_dentry) goto out_lock; - } /* target should not be ancestor of source */ if (trap == lower_new_dentry) { rc = -ENOTEMPTY; |