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staging: vt6656: Move key_buffer inside vnt_fill_txkey. 

Use vnt_tx_fifo_head to point directly at tx_key removing key_buffer.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/3631f327-1386-90a2-ba9a-bb62617f3c66@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2020-05-21 10:43:57 +01:00 committed by Greg Kroah-Hartman
parent e76d9db0cb
commit cf51f55311
1 changed files with 9 additions and 9 deletions
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18
drivers/staging/vt6656/rxtx.c
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@ -383,9 +383,10 @@ static void vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context,
}
static void vnt_fill_txkey(struct vnt_tx_buffer *tx_buffer,
u8 *key_buffer, struct ieee80211_key_conf *tx_key,
struct ieee80211_key_conf *tx_key,
struct sk_buff *skb, u16 payload_len)
{
struct vnt_tx_fifo_head *fifo = &tx_buffer->fifo_head;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct vnt_mic_hdr *mic_hdr;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@ -399,18 +400,18 @@ static void vnt_fill_txkey(struct vnt_tx_buffer *tx_buffer,
switch (tx_key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
memcpy(key_buffer, iv, 3);
memcpy(key_buffer + 3, tx_key->key, tx_key->keylen);
memcpy(fifo->tx_key, iv, 3);
memcpy(fifo->tx_key + 3, tx_key->key, tx_key->keylen);
if (tx_key->keylen == WLAN_KEY_LEN_WEP40) {
memcpy(key_buffer + 8, iv, 3);
memcpy(key_buffer + 11,
memcpy(fifo->tx_key + 8, iv, 3);
memcpy(fifo->tx_key + 11,
tx_key->key, WLAN_KEY_LEN_WEP40);
}
break;
case WLAN_CIPHER_SUITE_TKIP:
ieee80211_get_tkip_p2k(tx_key, skb, key_buffer);
ieee80211_get_tkip_p2k(tx_key, skb, fifo->tx_key);
break;
case WLAN_CIPHER_SUITE_CCMP:
@ -452,7 +453,7 @@ static void vnt_fill_txkey(struct vnt_tx_buffer *tx_buffer,
if (ieee80211_has_a4(hdr->frame_control))
ether_addr_copy(mic_hdr->addr4, hdr->addr4);
memcpy(key_buffer, tx_key->key, WLAN_KEY_LEN_CCMP);
memcpy(fifo->tx_key, tx_key->key, WLAN_KEY_LEN_CCMP);
break;
default:
@ -628,8 +629,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
if (info->control.hw_key) {
tx_key = info->control.hw_key;
if (tx_key->keylen > 0)
vnt_fill_txkey(tx_buffer, tx_buffer_head->tx_key,
tx_key, skb, tx_body_size);
vnt_fill_txkey(tx_buffer, tx_key, skb, tx_body_size);
}
priv->seq_counter = (le16_to_cpu(hdr->seq_ctrl) &