From: Eric Biggers <ebiggers3@gmail.com>
To: linux-fscrypt@vger.kernel.org
Cc: "Theodore Y . Ts'o" <tytso@mit.edu>,
Eric Biggers <ebiggers@google.com>,
Michael Halcrow <mhalcrow@google.com>,
linux-f2fs-devel@lists.sourceforge.net,
linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org,
Jaegeuk Kim <jaegeuk@kernel.org>,
linux-ext4@vger.kernel.org
Subject: [PATCH 23/25] ubifs: switch to fscrypt_prepare_rename()
Date: Wed, 20 Sep 2017 15:46:03 -0700 [thread overview]
Message-ID: <20170920224605.22030-24-ebiggers3@gmail.com> (raw)
In-Reply-To: <20170920224605.22030-1-ebiggers3@gmail.com>
From: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
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
------------------------------------------------------------------------------
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next prev parent reply other threads:[~2017-09-20 22:47 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 22:45 [PATCH 00/25] fscrypt: add some higher-level helper functions Eric Biggers
2017-09-20 22:45 ` [PATCH 01/25] fs, fscrypt: add an S_ENCRYPTED inode flag Eric Biggers
2017-09-20 22:45 ` [PATCH 02/25] fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED() Eric Biggers
2017-09-20 22:45 ` [PATCH 03/25] fscrypt: remove ->is_encrypted() Eric Biggers
2017-09-20 22:45 ` [PATCH 04/25] fscrypt: remove unneeded empty fscrypt_operations structs Eric Biggers
2017-09-20 22:45 ` [PATCH 05/25] fscrypt: new helper function - fscrypt_require_key() Eric Biggers
2017-09-20 22:45 ` [PATCH 06/25] fscrypt: new helper function - fscrypt_file_open() Eric Biggers
2017-09-20 22:45 ` [PATCH 07/25] fscrypt: new helper function - fscrypt_prepare_link() Eric Biggers
2017-09-20 22:45 ` [PATCH 08/25] fscrypt: new helper function - fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:45 ` [PATCH 09/25] fscrypt: new helper function - fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:45 ` [PATCH 10/25] fscrypt: new helper function - fscrypt_prepare_setattr() Eric Biggers
2017-09-20 22:45 ` [PATCH 11/25] ext4: switch to fscrypt_file_open() Eric Biggers
2017-09-20 22:45 ` [PATCH 12/25] ext4: switch to fscrypt_prepare_link() Eric Biggers
2017-09-20 22:45 ` [PATCH 13/25] ext4: switch to fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:45 ` [PATCH 14/25] ext4: switch to fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:45 ` [PATCH 15/25] ext4: switch to fscrypt_prepare_setattr() Eric Biggers
2017-09-20 22:45 ` [PATCH 16/25] f2fs: switch to fscrypt_file_open() Eric Biggers
2017-09-20 22:45 ` [PATCH 17/25] f2fs: switch to fscrypt_prepare_link() Eric Biggers
2017-09-20 22:45 ` [PATCH 18/25] f2fs: switch to fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:45 ` [PATCH 19/25] f2fs: switch to fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:46 ` [PATCH 20/25] f2fs: switch to fscrypt_prepare_setattr() Eric Biggers
2017-09-20 22:46 ` [PATCH 21/25] ubifs: switch to fscrypt_file_open() Eric Biggers
2017-09-20 22:46 ` [PATCH 22/25] ubifs: switch to fscrypt_prepare_link() Eric Biggers
2017-09-20 22:46 ` Eric Biggers [this message]
2017-09-20 22:46 ` [PATCH 24/25] ubifs: switch to fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:46 ` [PATCH 25/25] ubifs: switch to fscrypt_prepare_setattr() Eric Biggers
2017-09-21 6:45 ` [PATCH 00/25] fscrypt: add some higher-level helper functions Dave Chinner
2017-09-21 17:47 ` Eric Biggers
2017-09-21 20:48 ` Dave Chinner
2017-09-21 14:19 ` [f2fs-dev] " Chao Yu
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