iwlwifi: mvm: don't check if a pointer is set if it can't be unset

We used to have many versions of statistics notification
coming from the firmware. In one of the cleanup patches,
we forgot to clean the code that checks if data->general
is set. Since it is always set, remove the check.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/rx.c

@@ -593,31 +593,28 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
 	int hyst = vif->bss_conf.cqm_rssi_hyst;
 	u16 id = le32_to_cpu(data->mac_id);
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	u16 vif_id = mvmvif->id;
 
 	/* This doesn't need the MAC ID check since it's not taking the
 	 * data copied into the "data" struct, but rather the data from
 	 * the notification directly.
 	 */
-	if (data->general) {
-		u16 vif_id = mvmvif->id;
-
-		if (iwl_mvm_is_cdb_supported(mvm)) {
-			struct mvm_statistics_general_cdb *general =
-				data->general;
-
-			mvmvif->beacon_stats.num_beacons =
-				le32_to_cpu(general->beacon_counter[vif_id]);
-			mvmvif->beacon_stats.avg_signal =
-				-general->beacon_average_energy[vif_id];
-		} else {
-			struct mvm_statistics_general_v8 *general =
-				data->general;
-
-			mvmvif->beacon_stats.num_beacons =
-				le32_to_cpu(general->beacon_counter[vif_id]);
-			mvmvif->beacon_stats.avg_signal =
-				-general->beacon_average_energy[vif_id];
-		}
+	if (iwl_mvm_is_cdb_supported(mvm)) {
+		struct mvm_statistics_general_cdb *general =
+			data->general;
+
+		mvmvif->beacon_stats.num_beacons =
+			le32_to_cpu(general->beacon_counter[vif_id]);
+		mvmvif->beacon_stats.avg_signal =
+			-general->beacon_average_energy[vif_id];
+	} else {
+		struct mvm_statistics_general_v8 *general =
+			data->general;
+
+		mvmvif->beacon_stats.num_beacons =
+			le32_to_cpu(general->beacon_counter[vif_id]);
+		mvmvif->beacon_stats.avg_signal =
+			-general->beacon_average_energy[vif_id];
 	}
 
 	if (mvmvif->id != id)