ath9k: Cleanup ath_vif struct

Remove unused bssid from ath_vif and set av_bslot on beacon
alloc/return.

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

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -346,9 +346,7 @@ struct ath_vif {
 	int av_bslot;
 	bool is_bslot_active;
 	__le64 tsf_adjust; /* TSF adjustment for staggered beacons */
-	enum nl80211_iftype av_opmode;
 	struct ath_buf *av_bcbuf;
-	u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
 };
 
 /*******************/

drivers/net/wireless/ath/ath9k/beacon.c

@@ -323,6 +323,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp)
 		if (avp->av_bslot != -1) {
 			sc->beacon.bslot[avp->av_bslot] = NULL;
 			sc->nbcnvifs--;
+			avp->av_bslot = -1;
 		}
 
 		bf = avp->av_bcbuf;

drivers/net/wireless/ath/ath9k/main.c

@@ -1450,7 +1450,6 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 	struct ath_softc *sc = hw->priv;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath_vif *avp = (void *)vif->drv_priv;
 	int ret = 0;
 
 	mutex_lock(&sc->mutex);
@@ -1491,10 +1490,6 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 	ath_dbg(common, ATH_DBG_CONFIG,
 		"Attach a VIF of type: %d\n", vif->type);
 
-	/* Set the VIF opmode */
-	avp->av_opmode = vif->type;
-	avp->av_bslot = -1;
-
 	sc->nvifs++;
 
 	ath9k_do_vif_add_setup(hw, vif);
@@ -1910,7 +1905,6 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_BSSID) {
 		/* Set BSSID */
 		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-		memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
 		common->curaid = 0;
 		ath9k_hw_write_associd(ah);