mt7601u: use params->ssn value directly

There is no point to use pointer to params->ssn.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mediatek/mt7601u/main.c

@@ -351,7 +351,7 @@ mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	struct ieee80211_sta *sta = params->sta;
 	enum ieee80211_ampdu_mlme_action action = params->action;
 	u16 tid = params->tid;
-	u16 *ssn = &params->ssn;
+	u16 ssn = params->ssn;
 	struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
 
 	WARN_ON(msta->wcid.idx > GROUP_WCID(0));
@@ -371,7 +371,7 @@ mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 		break;
 	case IEEE80211_AMPDU_TX_START:
-		msta->agg_ssn[tid] = *ssn << 4;
+		msta->agg_ssn[tid] = ssn << 4;
 		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 	case IEEE80211_AMPDU_TX_STOP_CONT: