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@@ -28,19 +28,16 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
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size_t data_len;
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unsigned int hdrlen;
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struct ieee80211_hdr *hdr;
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- u16 fc;
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struct sk_buff *skb = tx->skb;
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int authenticator;
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int wpa_test = 0;
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int tail;
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- fc = tx->fc;
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-
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+ hdr = (struct ieee80211_hdr *)skb->data;
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if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 ||
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- !WLAN_FC_DATA_PRESENT(fc))
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+ !ieee80211_is_data_present(hdr->frame_control))
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return TX_CONTINUE;
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- hdr = (struct ieee80211_hdr *)skb->data;
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hdrlen = ieee80211_hdrlen(hdr->frame_control);
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if (skb->len < hdrlen)
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return TX_DROP;
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@@ -90,25 +87,23 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
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size_t data_len;
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unsigned int hdrlen;
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struct ieee80211_hdr *hdr;
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- u16 fc;
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u8 mic[MICHAEL_MIC_LEN];
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struct sk_buff *skb = rx->skb;
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int authenticator = 1, wpa_test = 0;
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DECLARE_MAC_BUF(mac);
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- fc = rx->fc;
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-
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/*
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* No way to verify the MIC if the hardware stripped it
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*/
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if (rx->status->flag & RX_FLAG_MMIC_STRIPPED)
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return RX_CONTINUE;
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+ hdr = (struct ieee80211_hdr *)skb->data;
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if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
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- !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc))
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+ !ieee80211_has_protected(hdr->frame_control) ||
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+ !ieee80211_is_data_present(hdr->frame_control))
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return RX_CONTINUE;
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- hdr = (struct ieee80211_hdr *)skb->data;
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hdrlen = ieee80211_hdrlen(hdr->frame_control);
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if (skb->len < hdrlen + MICHAEL_MIC_LEN)
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return RX_DROP_UNUSABLE;
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@@ -239,7 +234,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
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hdrlen = ieee80211_hdrlen(hdr->frame_control);
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- if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
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+ if (!ieee80211_is_data(hdr->frame_control))
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return RX_CONTINUE;
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if (!rx->sta || skb->len - hdrlen < 12)
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@@ -458,7 +453,7 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx)
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ieee80211_rx_result
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ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
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{
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- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
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+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
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int hdrlen;
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struct ieee80211_key *key = rx->key;
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struct sk_buff *skb = rx->skb;
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@@ -468,7 +463,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
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hdrlen = ieee80211_hdrlen(hdr->frame_control);
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- if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
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+ if (!ieee80211_is_data(hdr->frame_control))
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return RX_CONTINUE;
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data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
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