From patchwork Fri Nov 20 17:05:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 329714 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63007C56201 for ; Fri, 20 Nov 2020 17:06:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2FB32078B for ; Fri, 20 Nov 2020 17:06:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="nF6ybdm1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730279AbgKTRGS (ORCPT ); Fri, 20 Nov 2020 12:06:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:56882 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728223AbgKTRGS (ORCPT ); Fri, 20 Nov 2020 12:06:18 -0500 Received: from lore-desk.redhat.com (unknown [151.66.8.153]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B03B52225B; Fri, 20 Nov 2020 17:06:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605891976; bh=nSj88FBcp1WSuiTw1D70+ian/NVTZr4S4PTnuLkYEYE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nF6ybdm1Gp9634FrmXd6f0izqEIhvW75hD2d6FRc8UP8EHg+ds5NDFFe86xLQ2UY5 EKOI48EN8srvGv/3cFePbH7ieV0ml+AhIcsBmkPW8ImQNy5qGipysgVGOzlFUGEEd0 oYz+Qzfap38qjKbeNWKWxxyCGCj5sBE99XiIl5UM= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, davem@davemloft.net, kuba@kernel.org, brouer@redhat.com, echaudro@redhat.com, john.fastabend@gmail.com Subject: [PATCH net-next 1/3] net: mvneta: avoid unnecessary xdp_buff initialization Date: Fri, 20 Nov 2020 18:05:42 +0100 Message-Id: <611eb5973eb88b0a7a342f44c818b3bcb6e94c8c.1605889259.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Explicitly initialize mandatory fields defining xdp_buff struct in mvneta_rx_swbm routine Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/marvell/mvneta.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 5d559117f78c..60a285f3a55f 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2347,13 +2347,14 @@ static int mvneta_rx_swbm(struct napi_struct *napi, { int rx_proc = 0, rx_todo, refill, size = 0; struct net_device *dev = pp->dev; - struct xdp_buff xdp_buf = { - .frame_sz = PAGE_SIZE, - .rxq = &rxq->xdp_rxq, - }; struct mvneta_stats ps = {}; struct bpf_prog *xdp_prog; u32 desc_status, frame_sz; + struct xdp_buff xdp_buf; + + xdp_buf.data_hard_start = NULL; + xdp_buf.frame_sz = PAGE_SIZE; + xdp_buf.rxq = &rxq->xdp_rxq; /* Get number of received packets */ rx_todo = mvneta_rxq_busy_desc_num_get(pp, rxq);