]> asedeno.scripts.mit.edu Git - linux.git/blobdiff - net/mac80211/wpa.c
Merge branches 'acpi-misc' and 'acpi-video'
[linux.git] / net / mac80211 / wpa.c
index 58d0b258b684cdd8124266e1b392c4cd77fec5a7..ee72779729e5350858514811b9daa86ecd75aa81 100644 (file)
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2004, Instant802 Networks, Inc.
  * Copyright 2008, Jouni Malinen <j@w1.fi>
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/netdevice.h>
@@ -242,7 +239,7 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
        /* Add room for ICV */
        skb_put(skb, IEEE80211_TKIP_ICV_LEN);
 
-       return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
+       return ieee80211_tkip_encrypt_data(&tx->local->wep_tx_ctx,
                                           key, skb, pos, len);
 }
 
@@ -293,7 +290,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
        if (status->flag & RX_FLAG_DECRYPTED)
                hwaccel = 1;
 
-       res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
+       res = ieee80211_tkip_decrypt_data(&rx->local->wep_rx_ctx,
                                          key, skb->data + hdrlen,
                                          skb->len - hdrlen, rx->sta->sta.addr,
                                          hdr->addr1, hwaccel, rx->security_idx,
@@ -1175,7 +1172,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
        struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
        struct ieee80211_key *key = rx->key;
        struct ieee80211_mmie_16 *mmie;
-       u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN];
+       u8 aad[GMAC_AAD_LEN], *mic, ipn[6], nonce[GMAC_NONCE_LEN];
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
        if (!ieee80211_is_mgmt(hdr->frame_control))
@@ -1206,13 +1203,18 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
                memcpy(nonce, hdr->addr2, ETH_ALEN);
                memcpy(nonce + ETH_ALEN, ipn, 6);
 
+               mic = kmalloc(GMAC_MIC_LEN, GFP_ATOMIC);
+               if (!mic)
+                       return RX_DROP_UNUSABLE;
                if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
                                       skb->data + 24, skb->len - 24,
                                       mic) < 0 ||
                    crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
                        key->u.aes_gmac.icverrors++;
+                       kfree(mic);
                        return RX_DROP_UNUSABLE;
                }
+               kfree(mic);
        }
 
        memcpy(key->u.aes_gmac.rx_pn, ipn, 6);