From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f195.google.com ([209.85.192.195]:33246 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752025AbdITWrR (ORCPT ); Wed, 20 Sep 2017 18:47:17 -0400 From: Eric Biggers To: linux-fscrypt@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, "Theodore Y . Ts'o" , Jaegeuk Kim , Michael Halcrow , Eric Biggers Subject: [PATCH 23/25] ubifs: switch to fscrypt_prepare_rename() Date: Wed, 20 Sep 2017 15:46:03 -0700 Message-Id: <20170920224605.22030-24-ebiggers3@gmail.com> In-Reply-To: <20170920224605.22030-1-ebiggers3@gmail.com> References: <20170920224605.22030-1-ebiggers3@gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: Eric Biggers Signed-off-by: Eric Biggers --- fs/ubifs/dir.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 09e6c56b11bc..7bf847d79b4a 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -1353,12 +1353,6 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, if (unlink) ubifs_assert(inode_is_locked(new_inode)); - if (old_dir != new_dir) { - if (ubifs_crypt_is_encrypted(new_dir) && - !fscrypt_has_permitted_context(new_dir, old_inode)) - return -EPERM; - } - if (unlink && is_dir) { err = ubifs_check_dir_empty(new_inode); if (err) @@ -1573,13 +1567,6 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry, ubifs_assert(fst_inode && snd_inode); - if ((ubifs_crypt_is_encrypted(old_dir) || - ubifs_crypt_is_encrypted(new_dir)) && - (old_dir != new_dir) && - (!fscrypt_has_permitted_context(new_dir, fst_inode) || - !fscrypt_has_permitted_context(old_dir, snd_inode))) - return -EPERM; - err = fscrypt_setup_filename(old_dir, &old_dentry->d_name, 0, &fst_nm); if (err) return err; @@ -1624,12 +1611,19 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { + int err; + if (flags & ~(RENAME_NOREPLACE | RENAME_WHITEOUT | RENAME_EXCHANGE)) return -EINVAL; ubifs_assert(inode_is_locked(old_dir)); ubifs_assert(inode_is_locked(new_dir)); + err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry, + flags); + if (err) + return err; + if (flags & RENAME_EXCHANGE) return ubifs_xrename(old_dir, old_dentry, new_dir, new_dentry); -- 2.14.1.821.g8fa685d3b7-goog