mt76x02: fix hdr pointer in write txwi for USB

Since we add txwi at the begining of skb->data, it no longer point to ieee80211_hdr. This breaks settings TS bit for probe response and beacons. Acked-by: Lorenzo Bianconi <[email protected]> Signed-off-by: Stanislaw Gruszka <[email protected]> Signed-off-by: Felix Fietkau <[email protected]>
danielatk · Mar 4, 2019 · e72376d · e72376d
1 parent 0b927b2
commit e72376d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mt76x02_usb_core.c b/mt76x02_usb_core.c
@@ -85,8 +85,9 @@ int mt76x02u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
 
 	mt76x02_insert_hdr_pad(skb);
 
-	txwi = skb_push(skb, sizeof(struct mt76x02_txwi));
+	txwi = (struct mt76x02_txwi *)(skb->data - sizeof(struct mt76x02_txwi));
 	mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, len);
+	skb_push(skb, sizeof(struct mt76x02_txwi));
 
 	pid = mt76_tx_status_skb_add(mdev, wcid, skb);
 	txwi->pktid = pid;