ath9k: hif_usb: simplify if-if to if-else

Use if and else instead of if(A) and if (!A).
Signed-off-by: NWan Jiabing <wanjiabing@vivo.com>
Acked-by: NToke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: NKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220424094441.104937-1-wanjiabing@vivo.com

drivers/net/wireless/ath/ath9k/hif_usb.c

@@ -368,10 +368,9 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev)
 		__skb_queue_head_init(&tx_buf->skb_queue);
 		list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);
 		hif_dev->tx.tx_buf_cnt++;
-	}
-
-	if (!ret)
+	} else {
 		TX_STAT_INC(buf_queued);
+	}
 
 	return ret;
 }