From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 F1EDCCA9EA0 for ; Tue, 22 Oct 2019 11:55:32 +0000 (UTC) Received: from dpdk.org (dpdk.org [92.243.14.124]) by mail.kernel.org (Postfix) with ESMTP id 8BFF321783 for ; Tue, 22 Oct 2019 11:55:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="Xl2BUa6b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BFF321783 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=dev-bounces@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4D7B31BF10; Tue, 22 Oct 2019 13:54:42 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id C80F41BEF8 for ; Tue, 22 Oct 2019 13:54:34 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x9MBg7g6015671; Tue, 22 Oct 2019 04:54:34 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=pfpt0818; bh=s/P/Pr8lzJXRAPrdT0EvbeYKSVQMC9uft3lrmh+xgOw=; b=Xl2BUa6bh7sk84qW2GqJxnYrobahugJy4cWzOKo3+wpzajoMd8toVcYeKrKxzE1xNFsk UFUyS+HPepe6o6Ta8LMHXNE9KBxRrFVrRLtldt4Bd1I3lWQikvAJVfgHh0xnEf35J7fb GnnNadkETP1LRgBEEOBdBd9aKdFWBAXKh7Y/BGGuwPyearcsrAN7W0Lmz5FrXBhn+WV2 qpZ6bs6nLhJOKqYBxSZ+z7QKmmraC8ei3AFeVj2A4TrSGkXF1/YClgh90s6TRGhhWKcs aJ4gtktTOTx//Yhr5m3NOelt8GxuurIb22gFLMc7jrgKOUYJhjdX7/vCo4TuNqBrXkFL GA== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0a-0016f401.pphosted.com with ESMTP id 2vsyjh8ad0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 22 Oct 2019 04:54:34 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 22 Oct 2019 04:54:32 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Tue, 22 Oct 2019 04:54:32 -0700 Received: from amok.marvell.com (unknown [10.95.130.40]) by maili.marvell.com (Postfix) with ESMTP id 3B22D3F7040; Tue, 22 Oct 2019 04:54:31 -0700 (PDT) From: Andrzej Ostruszka To: , Beilei Xing , Qi Zhang CC: , Date: Tue, 22 Oct 2019 13:54:10 +0200 Message-ID: <20191022115412.8837-9-aostruszka@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191022115412.8837-1-aostruszka@marvell.com> References: <20190917075754.8310-1-amo@semihalf.com> <20191022115412.8837-1-aostruszka@marvell.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-22_03:2019-10-22,2019-10-22 signatures=0 Subject: [dpdk-dev] [PATCH v4 08/10] net/i40e: clean LTO build warnings (maybe-uninitialized) X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" During LTO build compiler reports some 'false positive' warnings about variables being possibly used uninitialized. This patch silences these warnings. Exemplary compiler warning to suppress (with LTO enabled): error: ‘filter_idx’ may be used uninitialized in this function [-Werror=maybe-uninitialized] PMD_DRV_LOG(INFO, "Added port %d with AQ command with index %d", Signed-off-by: Andrzej Ostruszka --- drivers/net/i40e/i40e_ethdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 4e40b7ab5..525a6b69b 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -8376,7 +8376,7 @@ static int i40e_add_vxlan_port(struct i40e_pf *pf, uint16_t port, int udp_type) { int idx, ret; - uint8_t filter_idx; + uint8_t filter_idx = 0; struct i40e_hw *hw = I40E_PF_TO_HW(pf); idx = i40e_get_vxlan_port_idx(pf, port); -- 2.17.1