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ath9k: Avoid unneeded casts

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Change the void pointer to struct sk_buff and access
bf_mpdu directly, removing all casts in the process.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2009-03-30 15:28:36 +05:30 committed by John W. Linville
parent 0ef1f168b6
commit a22be22ab8
3 changed files with 11 additions and 11 deletions
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2
drivers/net/wireless/ath9k/ath9k.h
View File

@ -130,7 +130,7 @@ struct ath_buf {
struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
an aggregate) */
struct ath_buf *bf_next; /* next subframe in the aggregate */
void *bf_mpdu; /* enclosing frame structure */
struct sk_buff *bf_mpdu; /* enclosing frame structure */
struct ath_desc *bf_desc; /* virtual addr of desc */
dma_addr_t bf_daddr; /* physical addr of desc */
dma_addr_t bf_buf_addr; /* physical addr of data buffer */

10
drivers/net/wireless/ath9k/beacon.c
View File

@ -59,7 +59,7 @@ static int ath_beaconq_config(struct ath_softc *sc)
static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
struct ath_buf *bf)
{
struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
struct sk_buff *skb = bf->bf_mpdu;
struct ath_hw *ah = sc->sc_ah;
struct ath_desc *ds;
struct ath9k_11n_rate_series series[4];
@ -138,7 +138,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
/* Release the old beacon first */
bf = avp->av_bcbuf;
skb = (struct sk_buff *)bf->bf_mpdu;
skb = bf->bf_mpdu;
if (skb) {
dma_unmap_single(sc->dev, bf->bf_dmacontext,
skb->len, DMA_TO_DEVICE);
@ -226,7 +226,7 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
return;
bf = avp->av_bcbuf;
skb = (struct sk_buff *) bf->bf_mpdu;
skb = bf->bf_mpdu;
ath_beacon_setup(sc, avp, bf);
@ -299,7 +299,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
/* release the previous beacon frame, if it already exists. */
bf = avp->av_bcbuf;
if (bf->bf_mpdu != NULL) {
skb = (struct sk_buff *)bf->bf_mpdu;
skb = bf->bf_mpdu;
dma_unmap_single(sc->dev, bf->bf_dmacontext,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
@ -371,7 +371,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp)
bf = avp->av_bcbuf;
if (bf->bf_mpdu != NULL) {
struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
struct sk_buff *skb = bf->bf_mpdu;
dma_unmap_single(sc->dev, bf->bf_dmacontext,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);

10
drivers/net/wireless/ath9k/xmit.c
View File

@ -283,7 +283,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
bool rc_update = true;
skb = (struct sk_buff *)bf->bf_mpdu;
skb = bf->bf_mpdu;
hdr = (struct ieee80211_hdr *)skb->data;
rcu_read_lock();
@ -444,7 +444,7 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
u16 aggr_limit, legacy = 0, maxampdu;
int i;
skb = (struct sk_buff *)bf->bf_mpdu;
skb = bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
rates = tx_info->control.rates;
tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
@ -1452,7 +1452,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
skb = (struct sk_buff *)bf->bf_mpdu;
skb = bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
rates = tx_info->control.rates;
hdr = (struct ieee80211_hdr *)skb->data;
@ -1586,7 +1586,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
struct ath_tx_control *txctl)
{
struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
struct sk_buff *skb = bf->bf_mpdu;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ath_node *an = NULL;
@ -1860,7 +1860,7 @@ static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf,
static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
int nbad, int txok, bool update_rc)
{
struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
struct sk_buff *skb = bf->bf_mpdu;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);