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>
diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c
index 7799d3c..a13d02b 100644
--- a/net/mac802154/llsec.c
+++ b/net/mac802154/llsec.c
@@ -55,7 +55,7 @@
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 @@
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 @@
if (key->tfm[i])
crypto_free_aead(key->tfm[i]);
- kfree(key);
+ kzfree(key);
return NULL;
}
@@ -176,7 +176,7 @@
crypto_free_aead(key->tfm[i]);
crypto_free_blkcipher(key->tfm0);
- kfree(key);
+ kzfree(key);
}
static struct mac802154_llsec_key*
@@ -267,7 +267,7 @@
return 0;
fail:
- kfree(new);
+ kzfree(new);
return -ENOMEM;
}
@@ -347,10 +347,10 @@
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 @@
rc = crypto_aead_encrypt(req);
- kfree(req);
+ kzfree(req);
return rc;
}
@@ -881,7 +881,7 @@
rc = crypto_aead_decrypt(req);
- kfree(req);
+ kzfree(req);
skb_trim(skb, skb->len - authlen);
return rc;
@@ -921,7 +921,7 @@
if (!devkey)
list_add_rcu(&next->devkey.list, &dev->dev.keys);
else
- kfree(next);
+ kzfree(next);
spin_unlock_bh(&dev->lock);
}
