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authorEric Biggers <ebiggers@google.com>2017-11-29 12:43:15 -0800
committerRichard Weinberger <richard@nod.at>2018-01-17 21:48:04 +0100
commit0c1ad5242d4f7c155661449a766e98f0018799ee (patch)
tree5ef3d65dd99900965ea00e3471485741c3690c49 /fs/ubifs/dir.c
parent5653878c8ca417b2f7b283df0db0141bb3c185f7 (diff)
downloadlinux-0c1ad5242d4f7c155661449a766e98f0018799ee.tar.bz2
ubifs: switch to fscrypt_prepare_rename()
Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs/dir.c')
-rw-r--r--fs/ubifs/dir.c20
1 files 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);