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mac802154: llsec: use kzfree
This patch will use kzfree instead kfree for security related information which can be offered by acccident. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -55,7 +55,7 @@ void mac802154_llsec_destroy(struct mac802154_llsec *sec)
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msl = container_of(sl, struct mac802154_llsec_seclevel, level);
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list_del(&sl->list);
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kfree(msl);
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kzfree(msl);
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}
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list_for_each_entry_safe(dev, dn, &sec->table.devices, list) {
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@ -72,7 +72,7 @@ void mac802154_llsec_destroy(struct mac802154_llsec *sec)
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mkey = container_of(key->key, struct mac802154_llsec_key, key);
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list_del(&key->list);
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llsec_key_put(mkey);
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kfree(key);
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kzfree(key);
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}
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}
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@ -161,7 +161,7 @@ err_tfm:
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if (key->tfm[i])
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crypto_free_aead(key->tfm[i]);
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kfree(key);
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kzfree(key);
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return NULL;
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}
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@ -176,7 +176,7 @@ static void llsec_key_release(struct kref *ref)
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crypto_free_aead(key->tfm[i]);
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crypto_free_blkcipher(key->tfm0);
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kfree(key);
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kzfree(key);
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}
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static struct mac802154_llsec_key*
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@ -267,7 +267,7 @@ int mac802154_llsec_key_add(struct mac802154_llsec *sec,
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return 0;
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fail:
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kfree(new);
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kzfree(new);
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return -ENOMEM;
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}
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@ -347,10 +347,10 @@ static void llsec_dev_free(struct mac802154_llsec_device *dev)
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devkey);
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list_del(&pos->list);
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kfree(devkey);
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kzfree(devkey);
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}
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kfree(dev);
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kzfree(dev);
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}
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int mac802154_llsec_dev_add(struct mac802154_llsec *sec,
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@ -681,7 +681,7 @@ llsec_do_encrypt_auth(struct sk_buff *skb, const struct mac802154_llsec *sec,
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rc = crypto_aead_encrypt(req);
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kfree(req);
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kzfree(req);
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return rc;
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}
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@ -881,7 +881,7 @@ llsec_do_decrypt_auth(struct sk_buff *skb, const struct mac802154_llsec *sec,
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rc = crypto_aead_decrypt(req);
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kfree(req);
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kzfree(req);
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skb_trim(skb, skb->len - authlen);
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return rc;
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@ -921,7 +921,7 @@ llsec_update_devkey_record(struct mac802154_llsec_device *dev,
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if (!devkey)
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list_add_rcu(&next->devkey.list, &dev->dev.keys);
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else
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kfree(next);
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kzfree(next);
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spin_unlock_bh(&dev->lock);
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}
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