wireless: make the reg_notifier() void

The reg_notifier()'s return value need not be checked
as it is only supposed to do post regulatory work and
that should never fail. Any behaviour to regulatory
that needs to be considered before cfg80211 does work
to a driver should be specified by using the already
existing flags, the reg_notifier() just does post
processing should it find it needs to.

Also make lbs_reg_notifier static.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
[move lbs_reg_notifier to not break compile]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index f69ef5d..315d659 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -302,16 +302,15 @@
 	ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
 }
 
-static int ath9k_reg_notifier(struct wiphy *wiphy,
-			      struct regulatory_request *request)
+static void ath9k_reg_notifier(struct wiphy *wiphy,
+			       struct regulatory_request *request)
 {
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct ath_softc *sc = hw->priv;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
-	int ret;
 
-	ret = ath_reg_notifier_apply(wiphy, request, reg);
+	ath_reg_notifier_apply(wiphy, request, reg);
 
 	/* Set tx power */
 	if (ah->curchan) {
@@ -321,8 +320,6 @@
 		sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
 		ath9k_ps_restore(sc);
 	}
-
-	return ret;
 }
 
 /*