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mac80211: clear key material when freeing keys

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When freeing the key, clear the memory to avoid having the
key material stick around in memory "forever".

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-09-10 13:39:55 +03:00
parent b47f610bd6
commit 29c3f9c399
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/key.c
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@ -422,7 +422,7 @@ static void ieee80211_key_free_common(struct ieee80211_key *key)
ieee80211_aes_key_free(key->u.ccmp.tfm);
if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
kfree(key);
kzfree(key);
}
static void __ieee80211_key_destroy(struct ieee80211_key *key,