ath9k: Fix warnings from -Wunused-but-set-variable

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 2e31c77..5a1f4f5 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -899,12 +899,6 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
         * check here default level should not modify INI setting.
         */
        if (use_new_ani(ah)) {
-               const struct ani_ofdm_level_entry *entry_ofdm;
-               const struct ani_cck_level_entry *entry_cck;
-
-               entry_ofdm = &ofdm_level_table[ATH9K_ANI_OFDM_DEF_LEVEL];
-               entry_cck = &cck_level_table[ATH9K_ANI_CCK_DEF_LEVEL];
-
                ah->aniperiod = ATH9K_ANI_PERIOD_NEW;
                ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_NEW;
        } else {

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index fd9b8c4..97f970c 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3217,7 +3217,6 @@ static int ar9300_compress_decision(struct ath_hw *ah,
                                    u8 *word, int length, int mdata_size)
 {
        struct ath_common *common = ath9k_hw_common(ah);
-       u8 *dptr;
        const struct ar9300_eeprom *eep = NULL;
 
        switch (code) {
@@ -3235,7 +3234,6 @@ static int ar9300_compress_decision(struct ath_hw *ah,
                break;
        case _CompressBlock:
                if (reference == 0) {
-                       dptr = mptr;
                } else {
                        eep = ar9003_eeprom_struct_find_by_id(reference);
                        if (eep == NULL) {

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index ea2f60c..c83be2d 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -616,29 +616,25 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
        struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
        unsigned int regWrites = 0, i;
        struct ieee80211_channel *channel = chan->chan;
-       u32 modesIndex, freqIndex;
+       u32 modesIndex;
 
        switch (chan->chanmode) {
        case CHANNEL_A:
        case CHANNEL_A_HT20:
                modesIndex = 1;
-               freqIndex = 1;
                break;
        case CHANNEL_A_HT40PLUS:
        case CHANNEL_A_HT40MINUS:
                modesIndex = 2;
-               freqIndex = 1;
                break;
        case CHANNEL_G:
        case CHANNEL_G_HT20:
        case CHANNEL_B:
                modesIndex = 4;
-               freqIndex = 2;
                break;
        case CHANNEL_G_HT40PLUS:
        case CHANNEL_G_HT40MINUS:
                modesIndex = 3;
-               freqIndex = 2;
                break;
 
        default:

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 1357975..b87db47 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -319,10 +319,9 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah,
        u16 numXpdGain, xpdMask;
        u16 xpdGainValues[AR5416_NUM_PD_GAINS] = {0, 0, 0, 0};
        u32 reg32, regOffset, regChainOffset, regval;
-       int16_t modalIdx, diff = 0;
+       int16_t diff = 0;
        struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
 
-       modalIdx = IS_CHAN_2GHZ(chan) ? 1 : 0;
        xpdMask = pEepData->modalHeader.xpdGain;
 
        if ((pEepData->baseEepHeader.version & AR9287_EEP_VER_MINOR_MASK) >=

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index a157107..0ded2c6 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -74,7 +74,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
        __be32 htc_imask = 0;
        u64 tsf;
        int num_beacons, offset, dtim_dec_count, cfp_dec_count;
-       int ret;
+       int ret __attribute__ ((unused));
        u8 cmd_rsp;
 
        memset(&bs, 0, sizeof(bs));
@@ -190,7 +190,7 @@ static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv *priv,
        enum ath9k_int imask = 0;
        u32 nexttbtt, intval, tsftu;
        __be32 htc_imask = 0;
-       int ret;
+       int ret __attribute__ ((unused));
        u8 cmd_rsp;
        u64 tsf;
 
@@ -246,7 +246,7 @@ static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv,
        enum ath9k_int imask = 0;
        u32 nexttbtt, intval, tsftu;
        __be32 htc_imask = 0;
-       int ret;
+       int ret __attribute__ ((unused));
        u8 cmd_rsp;
        u64 tsf;
 

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
index dc0b33d..138f8e1 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
@@ -74,6 +74,10 @@ static void ath_btcoex_period_work(struct work_struct *work)
        aggr = priv->op_flags & OP_BT_PRIORITY_DETECTED;
 
        WMI_CMD_BUF(WMI_AGGR_LIMIT_CMD, &aggr);
+       if (ret) {
+               ath_err(common, "Unable to set BTCOEX parameters\n");
+               return;
+       }
 
        ath9k_cmn_btcoex_bt_stomp(common, is_btscan ? ATH_BTCOEX_STOMP_ALL :
                        btcoex->bt_stomp_type);

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 4de3864..7cff554 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -332,6 +332,11 @@ static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
        memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
        hvif.index = priv->mon_vif_idx;
        WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
+       if (ret) {
+               ath_err(common, "Unable to remove monitor interface at idx: %d\n",
+                       priv->mon_vif_idx);
+       }
+
        priv->nvifs--;
        priv->vif_slot &= ~(1 << priv->mon_vif_idx);
 }
@@ -964,7 +969,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
        struct ath9k_htc_priv *priv = hw->priv;
        struct ath_hw *ah = priv->ah;
        struct ath_common *common = ath9k_hw_common(ah);
-       int ret = 0;
+       int ret __attribute__ ((unused));
        u8 cmd_rsp;
 
        mutex_lock(&priv->mutex);
@@ -1135,6 +1140,10 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
        memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);
        hvif.index = avp->index;
        WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
+       if (ret) {
+               ath_err(common, "Unable to remove interface at idx: %d\n",
+                       avp->index);
+       }
        priv->nvifs--;
        priv->vif_slot &= ~(1 << avp->index);
 

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 723a3a9..a898dac 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -446,7 +446,6 @@ static void ath9k_htc_tx_process(struct ath9k_htc_priv *priv,
        struct ieee80211_tx_info *tx_info;
        struct ieee80211_tx_rate *rate;
        struct ieee80211_conf *cur_conf = &priv->hw->conf;
-       struct ieee80211_supported_band *sband;
        bool txok;
        int slot;
 
@@ -461,7 +460,6 @@ static void ath9k_htc_tx_process(struct ath9k_htc_priv *priv,
        tx_info = IEEE80211_SKB_CB(skb);
        vif = tx_info->control.vif;
        rate = &tx_info->status.rates[0];
-       sband = priv->hw->wiphy->bands[cur_conf->channel->band];
 
        memset(&tx_info->status, 0, sizeof(tx_info->status));
 

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b7eb793..0fcfa59 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1866,7 +1866,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
        struct ath_common *common = ath9k_hw_common(ah);
        struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-       u16 capField = 0, eeval;
+       u16 eeval;
        u8 ant_div_ctl1, tx_chainmask, rx_chainmask;
 
        eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
@@ -1877,8 +1877,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
                eeval |= AR9285_RDEXT_DEFAULT;
        regulatory->current_rd_ext = eeval;
 
-       capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP);
-
        if (ah->opmode != NL80211_IFTYPE_AP &&
            ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
                if (regulatory->current_rd == 0x64 ||

diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 2a40532..b877d96 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -854,14 +854,13 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
        ath_rc_rate_set_rtscts(sc, rate_table, tx_info);
 }
 
-static bool ath_rc_update_per(struct ath_softc *sc,
+static void ath_rc_update_per(struct ath_softc *sc,
                              const struct ath_rate_table *rate_table,
                              struct ath_rate_priv *ath_rc_priv,
                                  struct ieee80211_tx_info *tx_info,
                              int tx_rate, int xretries, int retries,
                              u32 now_msec)
 {
-       bool state_change = false;
        int count, n_bad_frames;
        u8 last_per;
        static const u32 nretry_to_per_lookup[10] = {
@@ -992,8 +991,6 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 
                }
        }
-
-       return state_change;
 }
 
 static void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
@@ -1017,7 +1014,6 @@ static void ath_rc_update_ht(struct ath_softc *sc,
        u32 now_msec = jiffies_to_msecs(jiffies);
        int rate;
        u8 last_per;
-       bool state_change = false;
        const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
        int size = ath_rc_priv->rate_table_size;
 
@@ -1027,9 +1023,9 @@ static void ath_rc_update_ht(struct ath_softc *sc,
        last_per = ath_rc_priv->per[tx_rate];
 
        /* Update PER first */
-       state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
-                                        tx_info, tx_rate, xretries,
-                                        retries, now_msec);
+       ath_rc_update_per(sc, rate_table, ath_rc_priv,
+                         tx_info, tx_rate, xretries,
+                         retries, now_msec);
 
        /*
         * If this rate looks bad (high PER) then stop using it for

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index b81bfc4..abff2d5 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -1339,7 +1339,7 @@ static void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
        struct ath_hw_antcomb_conf div_ant_conf;
        struct ath_ant_comb *antcomb = &sc->ant_comb;
        int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set;
-       int curr_main_set, curr_bias;
+       int curr_main_set;
        int main_rssi = rs->rs_rssi_ctl0;
        int alt_rssi = rs->rs_rssi_ctl1;
        int rx_ant_conf,  main_ant_conf;
@@ -1393,7 +1393,6 @@ static void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
        ath9k_hw_antdiv_comb_conf_get(sc->sc_ah, &div_ant_conf);
        curr_alt_set = div_ant_conf.alt_lna_conf;
        curr_main_set = div_ant_conf.main_lna_conf;
-       curr_bias = div_ant_conf.fast_div_bias;
 
        antcomb->count++;