From 71cd2aa53dbf9eb8cb954fc9e65de8dab774b7f6 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Tue, 13 Oct 2015 13:42:54 +0200 Subject: [PATCH] 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 Signed-off-by: Marcel Holtmann --- net/mac802154/llsec.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c index 7799d3c41fe2..a13d02b7cee4 100644 --- a/net/mac802154/llsec.c +++ b/net/mac802154/llsec.c @@ -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 @@ err_tfm: 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); } -- 2.20.1