diff options
| -rw-r--r-- | fs/cifsd/vfs.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/fs/cifsd/vfs.c b/fs/cifsd/vfs.c index b509c90d911f..bdc30a7b6d52 100644 --- a/fs/cifsd/vfs.c +++ b/fs/cifsd/vfs.c @@ -190,14 +190,32 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode) mode |= S_IFDIR; err = vfs_mkdir(&init_user_ns, d_inode(path.dentry), dentry, mode); - if (!err) { + if (err) + goto out; + else if (d_unhashed(dentry)) { + struct dentry *d; + + d = lookup_one_len(dentry->d_name.name, + dentry->d_parent, + dentry->d_name.len); + if (IS_ERR(d)) { + err = PTR_ERR(d); + goto out; + } + if (unlikely(d_is_negative(d))) { + dput(d); + err = -ENOENT; + goto out; + } + ksmbd_vfs_inherit_owner(work, d_inode(path.dentry), - d_inode(dentry)); - } else { - ksmbd_err("mkdir(%s): creation failed (err:%d)\n", name, err); + d_inode(d)); + dput(d); } - +out: done_path_create(&path, dentry); + if (err) + ksmbd_err("mkdir(%s): creation failed (err:%d)\n", name, err); return err; } |