diff options
Diffstat (limited to 'fs/ubifs/auth.c')
| -rw-r--r-- | fs/ubifs/auth.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c index b758004085c4..60f43b93d06e 100644 --- a/fs/ubifs/auth.c +++ b/fs/ubifs/auth.c @@ -76,7 +76,6 @@ static int ubifs_hash_calc_hmac(const struct ubifs_info *c, const u8 *hash, int ubifs_prepare_auth_node(struct ubifs_info *c, void *node, struct shash_desc *inhash) { - SHASH_DESC_ON_STACK(hash_desc, c->hash_tfm); struct ubifs_auth_node *auth = node; u8 *hash; int err; @@ -85,12 +84,16 @@ int ubifs_prepare_auth_node(struct ubifs_info *c, void *node, if (!hash) return -ENOMEM; - hash_desc->tfm = c->hash_tfm; - ubifs_shash_copy_state(c, inhash, hash_desc); + { + SHASH_DESC_ON_STACK(hash_desc, c->hash_tfm); - err = crypto_shash_final(hash_desc, hash); - if (err) - goto out; + hash_desc->tfm = c->hash_tfm; + ubifs_shash_copy_state(c, inhash, hash_desc); + + err = crypto_shash_final(hash_desc, hash); + if (err) + goto out; + } err = ubifs_hash_calc_hmac(c, hash, auth->hmac); if (err) @@ -143,24 +146,6 @@ struct shash_desc *__ubifs_hash_get_desc(const struct ubifs_info *c) } /** - * __ubifs_shash_final - finalize shash - * @c: UBIFS file-system description object - * @desc: the descriptor - * @out: the output hash - * - * Simple wrapper around crypto_shash_final(), safe to be called with - * disabled authentication. - */ -int __ubifs_shash_final(const struct ubifs_info *c, struct shash_desc *desc, - u8 *out) -{ - if (ubifs_authenticated(c)) - return crypto_shash_final(desc, out); - - return 0; -} - -/** * ubifs_bad_hash - Report hash mismatches * @c: UBIFS file-system description object * @node: the node |