struct shash_desc *inhash)
{
struct ubifs_auth_node *auth = node;
- u8 *hash;
+ u8 hash[UBIFS_HASH_ARR_SZ];
int err;
- hash = kmalloc(crypto_shash_descsize(c->hash_tfm), GFP_NOFS);
- if (!hash)
- return -ENOMEM;
-
{
SHASH_DESC_ON_STACK(hash_desc, c->hash_tfm);
err = crypto_shash_final(hash_desc, hash);
if (err)
- goto out;
+ return err;
}
err = ubifs_hash_calc_hmac(c, hash, auth->hmac);
if (err)
- goto out;
+ return err;
auth->ch.node_type = UBIFS_AUTH_NODE;
ubifs_prepare_node(c, auth, ubifs_auth_node_sz(c), 0);
-
- err = 0;
-out:
- kfree(hash);
-
- return err;
+ return 0;
}
static struct shash_desc *ubifs_get_desc(const struct ubifs_info *c,
struct ubifs_scan_node *snod;
int n_nodes = 0;
int err;
- u8 *hash, *hmac;
+ u8 hash[UBIFS_HASH_ARR_SZ];
+ u8 hmac[UBIFS_HMAC_ARR_SZ];
if (!ubifs_authenticated(c))
return sleb->nodes_cnt;
- hash = kmalloc(crypto_shash_descsize(c->hash_tfm), GFP_NOFS);
- hmac = kmalloc(c->hmac_desc_len, GFP_NOFS);
- if (!hash || !hmac) {
- err = -ENOMEM;
- goto out;
- }
-
list_for_each_entry(snod, &sleb->nodes, list) {
n_nodes++;
err = 0;
}
out:
- kfree(hash);
- kfree(hmac);
-
return err ? err : n_nodes - n_not_auth;
}