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>

1 files 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);
         }