carl9170: fix -Wunused-but-set-variable warnings

tx.c: In function ‘carl9170_tx_accounting_free’:
tx.c:159:28: warning: variable ‘txinfo’ set but not used
tx.c: In function ‘carl9170_tx_status_process_ampdu’:
tx.c:383:27: warning: variable ‘ar_info’ set but not used
tx.c: In function ‘__carl9170_tx_process_status’:
tx.c:626:27: warning: variable ‘arinfo’ set but not used
tx.c: In function ‘carl9170_tx_ampdu_queue’:
tx.c:1324:15: warning: variable ‘max’ set but not used

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index bf2eff9..e94084f 100644 (file)
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -156,10 +156,8 @@ out_rcu:
 
 static void carl9170_tx_accounting_free(struct ar9170 *ar, struct sk_buff *skb)
 {
-       struct ieee80211_tx_info *txinfo;
        int queue;
 
-       txinfo = IEEE80211_SKB_CB(skb);
        queue = skb_get_queue_mapping(skb);
 
        spin_lock_bh(&ar->tx_stats_lock);
@@ -380,7 +378,6 @@ static void carl9170_tx_status_process_ampdu(struct ar9170 *ar,
 {
        struct _carl9170_tx_superframe *super = (void *) skb->data;
        struct ieee80211_hdr *hdr = (void *) super->frame_data;
-       struct carl9170_tx_info *ar_info;
        struct ieee80211_sta *sta;
        struct carl9170_sta_info *sta_info;
        struct carl9170_sta_tid *tid_info;
@@ -391,8 +388,6 @@ static void carl9170_tx_status_process_ampdu(struct ar9170 *ar,
           (!(super->f.mac_control & cpu_to_le16(AR9170_TX_MAC_AGGR))))
                return;
 
-       ar_info = (void *) txinfo->rate_driver_data;
-
        rcu_read_lock();
        sta = __carl9170_get_tx_sta(ar, skb);
        if (unlikely(!sta))
@@ -623,7 +618,6 @@ static void __carl9170_tx_process_status(struct ar9170 *ar,
 {
        struct sk_buff *skb;
        struct ieee80211_tx_info *txinfo;
-       struct carl9170_tx_info *arinfo;
        unsigned int r, t, q;
        bool success = true;
 
@@ -639,7 +633,6 @@ static void __carl9170_tx_process_status(struct ar9170 *ar,
        }
 
        txinfo = IEEE80211_SKB_CB(skb);
-       arinfo = (void *) txinfo->rate_driver_data;
 
        if (!(info & CARL9170_TX_STATUS_SUCCESS))
                success = false;
@@ -1321,7 +1314,6 @@ static bool carl9170_tx_ampdu_queue(struct ar9170 *ar,
        struct carl9170_sta_info *sta_info;
        struct carl9170_sta_tid *agg;
        struct sk_buff *iter;
-       unsigned int max;
        u16 tid, seq, qseq, off;
        bool run = false;
 
@@ -1331,7 +1323,6 @@ static bool carl9170_tx_ampdu_queue(struct ar9170 *ar,
 
        rcu_read_lock();
        agg = rcu_dereference(sta_info->agg[tid]);
-       max = sta_info->ampdu_max_len;
 
        if (!agg)
                goto err_unlock_rcu;