iwlwifi: remove unused conf variables

There are a number of conf variables that are
unused, remove them.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -1158,7 +1158,6 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 		.flags = CMD_SIZE_HUGE,
 	};
 	struct iwl_scan_cmd *scan;
-	struct ieee80211_conf *conf = NULL;
 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	u32 rate_flags = 0;
 	u16 cmd_len;
@@ -1175,8 +1174,6 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	if (vif)
 		ctx = iwl_rxon_ctx_from_vif(vif);
 
-	conf = ieee80211_get_hw_conf(priv->hw);
-
 	cancel_delayed_work(&priv->scan_check);
 
 	if (!iwl_is_ready(priv)) {

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -2568,12 +2568,9 @@ static void __iwl3945_down(struct iwl_priv *priv)
 {
 	unsigned long flags;
 	int exit_pending = test_bit(STATUS_EXIT_PENDING, &priv->status);
-	struct ieee80211_conf *conf = NULL;
 
 	IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
 
-	conf = ieee80211_get_hw_conf(priv->hw);
-
 	if (!exit_pending)
 		set_bit(STATUS_EXIT_PENDING, &priv->status);
 
@@ -2827,13 +2824,10 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 		.flags = CMD_SIZE_HUGE,
 	};
 	struct iwl3945_scan_cmd *scan;
-	struct ieee80211_conf *conf = NULL;
 	u8 n_probes = 0;
 	enum ieee80211_band band;
 	bool is_active = false;
 
-	conf = ieee80211_get_hw_conf(priv->hw);
-
 	cancel_delayed_work(&priv->scan_check);
 
 	if (!iwl_is_ready(priv)) {