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Commit 71cd2aa5 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

mac802154: llsec: use kzfree 



This patch will use kzfree instead kfree for security related
information which can be offered by acccident.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent a6ad2a6b

net/mac802154/llsec.c

+10 −10
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ void mac802154_llsec_destroy(struct mac802154_llsec *sec) 


		msl = container_of(sl, struct mac802154_llsec_seclevel, level);

		list_del(&sl->list);

		kfree(msl);

		kzfree(msl);

	}



	list_for_each_entry_safe(dev, dn, &sec->table.devices, list) {
@@ -72,7 +72,7 @@ void mac802154_llsec_destroy(struct mac802154_llsec *sec) 
		mkey = container_of(key->key, struct mac802154_llsec_key, key);

		list_del(&key->list);

		llsec_key_put(mkey);

		kfree(key);

		kzfree(key);

	}

}
@@ -161,7 +161,7 @@ llsec_key_alloc(const struct ieee802154_llsec_key *template) 
		if (key->tfm[i])

			crypto_free_aead(key->tfm[i]);



	kfree(key);

	kzfree(key);

	return NULL;

}
@@ -176,7 +176,7 @@ static void llsec_key_release(struct kref *ref) 
		crypto_free_aead(key->tfm[i]);



	crypto_free_blkcipher(key->tfm0);

	kfree(key);

	kzfree(key);

}



static struct mac802154_llsec_key*
@@ -267,7 +267,7 @@ int mac802154_llsec_key_add(struct mac802154_llsec *sec, 
	return 0;



fail:

	kfree(new);

	kzfree(new);

	return -ENOMEM;

}
@@ -347,10 +347,10 @@ static void llsec_dev_free(struct mac802154_llsec_device *dev) 
				      devkey);



		list_del(&pos->list);

		kfree(devkey);

		kzfree(devkey);

	}



	kfree(dev);

	kzfree(dev);

}



int mac802154_llsec_dev_add(struct mac802154_llsec *sec,
@@ -681,7 +681,7 @@ llsec_do_encrypt_auth(struct sk_buff *skb, const struct mac802154_llsec *sec, 


	rc = crypto_aead_encrypt(req);



	kfree(req);

	kzfree(req);



	return rc;

}
@@ -881,7 +881,7 @@ llsec_do_decrypt_auth(struct sk_buff *skb, const struct mac802154_llsec *sec, 


	rc = crypto_aead_decrypt(req);



	kfree(req);

	kzfree(req);

	skb_trim(skb, skb->len - authlen);



	return rc;
@@ -921,7 +921,7 @@ llsec_update_devkey_record(struct mac802154_llsec_device *dev, 
		if (!devkey)

			list_add_rcu(&next->devkey.list, &dev->dev.keys);

		else

			kfree(next);

			kzfree(next);



		spin_unlock_bh(&dev->lock);

	}