From patchwork Fri Jan 3 12:07:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "yukuai (C)" X-Patchwork-Id: 1217313 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47q3ZK74lNz9sPJ for ; Fri, 3 Jan 2020 23:07:53 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727470AbgACMHw (ORCPT ); Fri, 3 Jan 2020 07:07:52 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:8215 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727350AbgACMHw (ORCPT ); Fri, 3 Jan 2020 07:07:52 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 34DD638F00A5AB5CD926; Fri, 3 Jan 2020 20:07:50 +0800 (CST) Received: from huawei.com (10.175.124.28) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.439.0; Fri, 3 Jan 2020 20:07:39 +0800 From: yu kuai To: , , , , , , , , , , CC: , , , , , Subject: [PATCH] net: ena: remove set but not used variable 'rx_ring' Date: Fri, 3 Jan 2020 20:07:01 +0800 Message-ID: <20200103120701.47681-1-yukuai3@huawei.com> X-Mailer: git-send-email 2.17.2 MIME-Version: 1.0 X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/amazon/ena/ena_netdev.c: In function ‘ena_xdp_xmit_buff’: drivers/net/ethernet/amazon/ena/ena_netdev.c:316:19: warning: variable ‘rx_ring’ set but not used [-Wunused-but-set-variable] It is never used, and so can be removed. Signed-off-by: yu kuai --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 081acf077bb5..894e8c1a8cf1 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -313,7 +313,6 @@ static int ena_xdp_xmit_buff(struct net_device *dev, struct ena_com_tx_ctx ena_tx_ctx = {0}; struct ena_tx_buffer *tx_info; struct ena_ring *xdp_ring; - struct ena_ring *rx_ring; u16 next_to_use, req_id; int rc; void *push_hdr; @@ -324,8 +323,6 @@ static int ena_xdp_xmit_buff(struct net_device *dev, req_id = xdp_ring->free_ids[next_to_use]; tx_info = &xdp_ring->tx_buffer_info[req_id]; tx_info->num_of_bufs = 0; - rx_ring = &xdp_ring->adapter->rx_ring[qid - - xdp_ring->adapter->xdp_first_ring]; page_ref_inc(rx_info->page); tx_info->xdp_rx_page = rx_info->page;