rtl8xxxu: Adjust RX skb size to include space for phystats

The old allocation didn't leave space for phystats in the buffer,
allowing the packet to be rejected if a frame size of size
IEEE80211_MAX_FRAME_LEN was received.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c

@@ -5276,11 +5276,12 @@ static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv,
 
 	rx_desc_sz = fops->rx_desc_size;
 
-	if (priv->rx_buf_aggregation && fops->rx_agg_buf_size)
+	if (priv->rx_buf_aggregation && fops->rx_agg_buf_size) {
 		skb_size = fops->rx_agg_buf_size;
-	else
+		skb_size += (rx_desc_sz + sizeof(struct rtl8723au_phy_stats));
+	} else {
 		skb_size = IEEE80211_MAX_FRAME_LEN;
-	skb_size += rx_desc_sz;
+	}
 
 	skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL);
 	if (!skb)