mt76: mt76x02: minor mt76x02_mac_set_beacon optimization

We do not call mt76x02_mac_set_beacon() with NULL skb any longer and
we do not need to return error value.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x02_beacon.c

@@ -51,21 +51,15 @@ mt76x02_write_beacon(struct mt76x02_dev *dev, int offset, struct sk_buff *skb)
 	return 0;
 }
 
-int mt76x02_mac_set_beacon(struct mt76x02_dev *dev,
+void mt76x02_mac_set_beacon(struct mt76x02_dev *dev,
 			    struct sk_buff *skb)
 {
 	int bcn_len = dev->beacon_ops->slot_size;
 	int bcn_addr = MT_BEACON_BASE + (bcn_len * dev->beacon_data_count);
-	int ret = 0;
 
-	if (skb) {
-		ret = mt76x02_write_beacon(dev, bcn_addr, skb);
-		if (!ret)
+	if (!mt76x02_write_beacon(dev, bcn_addr, skb))
 		dev->beacon_data_count++;
-	}
-
 	dev_kfree_skb(skb);
-	return ret;
 }
 EXPORT_SYMBOL_GPL(mt76x02_mac_set_beacon);
 

drivers/net/wireless/mediatek/mt76/mt76x02_mac.h

@@ -201,7 +201,7 @@ void mt76x02_mac_work(struct work_struct *work);
 
 void mt76x02_mac_cc_reset(struct mt76x02_dev *dev);
 void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr);
-int mt76x02_mac_set_beacon(struct mt76x02_dev *dev, struct sk_buff *skb);
+void mt76x02_mac_set_beacon(struct mt76x02_dev *dev, struct sk_buff *skb);
 void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev,
 				   struct ieee80211_vif *vif, bool enable);