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ext4: remove "nokey" check from ext4_lookup()

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Now that fscrypt_has_permitted_context() correctly handles the case
where we have the key for the parent directory but not the child, we
don't need to try to work around this in ext4_lookup().

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Eric Biggers 2017-04-07 10:58:38 -07:00 committed by Theodore Ts'o
parent 272f98f684
commit 8c68084bff
1 changed files with 1 additions and 8 deletions
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9
fs/ext4/namei.c
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@ -1616,16 +1616,9 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
if (!IS_ERR(inode) && ext4_encrypted_inode(dir) &&
(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
!fscrypt_has_permitted_context(dir, inode)) {
int nokey = ext4_encrypted_inode(inode) &&
!fscrypt_has_encryption_key(inode);
if (nokey) {
iput(inode);
return ERR_PTR(-ENOKEY);
}
ext4_warning(inode->i_sb,
"Inconsistent encryption contexts: %lu/%lu",
(unsigned long) dir->i_ino,
(unsigned long) inode->i_ino);
dir->i_ino, inode->i_ino);
iput(inode);
return ERR_PTR(-EPERM);
}