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adm8211: remove unnecessary protected bit mask/check

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Removes now unused fc local var and uses the new ieee80211_hdrlen
which directly uses the le16 frame control value.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Harvey Harrison 2008-06-21 19:33:20 -07:00 committed by John W. Linville
parent 97b045d62b
commit 316af76f34
1 changed files with 1 additions and 8 deletions
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9
drivers/net/wireless/adm8211.c
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@ -1685,7 +1685,6 @@ static void adm8211_tx_raw(struct ieee80211_hw *dev, struct sk_buff *skb,
static int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct adm8211_tx_hdr *txhdr;
u16 fc;
size_t payload_len, hdrlen;
int plcp, dur, len, plcp_signal, short_preamble;
struct ieee80211_hdr *hdr;
@ -1696,8 +1695,7 @@ static int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
plcp_signal = txrate->bitrate;
hdr = (struct ieee80211_hdr *)skb->data;
fc = le16_to_cpu(hdr->frame_control) & ~IEEE80211_FCTL_PROTECTED;
hdrlen = ieee80211_get_hdrlen(fc);
hdrlen = ieee80211_hdrlen(hdr->frame_control);
memcpy(skb->cb, skb->data, hdrlen);
hdr = (struct ieee80211_hdr *)skb->cb;
skb_pull(skb, hdrlen);
@ -1711,8 +1709,6 @@ static int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
txhdr->frame_control = hdr->frame_control;
len = hdrlen + payload_len + FCS_LEN;
if (fc & IEEE80211_FCTL_PROTECTED)
len += 8;
txhdr->frag = cpu_to_le16(0x0FFF);
adm8211_calc_durations(&dur, &plcp, payload_len,
@ -1730,9 +1726,6 @@ static int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS);
if (fc & IEEE80211_FCTL_PROTECTED)
txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_WEP_ENGINE);
txhdr->retry_limit = info->control.retry_limit;
adm8211_tx_raw(dev, skb, plcp_signal, hdrlen);