Commit 29c3f9c3 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: clear key material when freeing keys 



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

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent b47f610b

net/mac80211/key.c

+1 −1
Original line number Diff line number Diff line
@@ -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,