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>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index 68e1f8c78727..c5ca72aa59e7 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -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);