ath9k: Avoid unneeded casts

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>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index 689bdbf78808..87bbeaa6432f 100644
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -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);