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b43legacy: use le16 frame control directly, avoid byteswapping 

Acked-by: Michael Buesch <mb@bu3sch.de>
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 2008-07-15 18:43:56 -07:00 committed by John W. Linville
parent ded2ae7c1f
commit ba5b6efe5d
1 changed files with 1 additions and 3 deletions
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4
drivers/net/wireless/b43legacy/xmit.c
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@ -193,7 +193,6 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
{
const struct ieee80211_hdr *wlhdr;
int use_encryption = !!info->control.hw_key;
u16 fctl;
u8 rate;
struct ieee80211_rate *rate_fb;
int rate_ofdm;
@ -204,7 +203,6 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
struct ieee80211_rate *tx_rate;
wlhdr = (const struct ieee80211_hdr *)fragment_data;
fctl = le16_to_cpu(wlhdr->frame_control);
memset(txhdr, 0, sizeof(*txhdr));
@ -253,7 +251,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
mac_ctl |= (key->algorithm <<
B43legacy_TX4_MAC_KEYALG_SHIFT) &
B43legacy_TX4_MAC_KEYALG;
wlhdr_len = ieee80211_get_hdrlen(fctl);
wlhdr_len = ieee80211_hdrlen(wlhdr->frame_control);
iv_len = min((size_t)info->control.iv_len,
ARRAY_SIZE(txhdr->iv));
memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len);