From 0c1ad5242d4f7c155661449a766e98f0018799ee Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 29 Nov 2017 12:43:15 -0800 Subject: ubifs: switch to fscrypt_prepare_rename() Signed-off-by: Eric Biggers Signed-off-by: Richard Weinberger --- fs/ubifs/dir.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) (limited to 'fs/ubifs') 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); -- cgit v1.2.3