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GET /api/patches/58634/?format=api
{ "id": 58634, "url": "https://patches.dpdk.org/api/patches/58634/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20190905093239.27187-10-amo@semihalf.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20190905093239.27187-10-amo@semihalf.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20190905093239.27187-10-amo@semihalf.com", "date": "2019-09-05T09:32:38", "name": "[09/10] net/ifc: fix maybe-uninitialized warnings for LTO build", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "ef728d7a5f0ed27b977e648f094bca3195ac6d52", "submitter": { "id": 1112, "url": "https://patches.dpdk.org/api/people/1112/?format=api", "name": "Andrzej Ostruszka", "email": "amo@semihalf.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20190905093239.27187-10-amo@semihalf.com/mbox/", "series": [ { "id": 6250, "url": "https://patches.dpdk.org/api/series/6250/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=6250", "date": "2019-09-05T09:32:29", "name": "Add an option to use LTO for DPDK build", "version": 1, "mbox": "https://patches.dpdk.org/series/6250/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/58634/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/58634/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 97F851EF67;\n\tThu, 5 Sep 2019 11:33:02 +0200 (CEST)", "from mail-lj1-f194.google.com (mail-lj1-f194.google.com\n\t[209.85.208.194]) by dpdk.org (Postfix) with ESMTP id AD7D61EDD0\n\tfor <dev@dpdk.org>; Thu, 5 Sep 2019 11:32:47 +0200 (CEST)", "by mail-lj1-f194.google.com with SMTP id y23so1380333ljn.5\n\tfor <dev@dpdk.org>; Thu, 05 Sep 2019 02:32:47 -0700 (PDT)", "from localhost.localdomain (31-172-191-173.noc.fibertech.net.pl.\n\t[31.172.191.173]) by smtp.googlemail.com with ESMTPSA id\n\tb25sm363060lfa.90.2019.09.05.02.32.46\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 05 Sep 2019 02:32:46 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=semihalf-com.20150623.gappssmtp.com; s=20150623;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=gApXwU5Mr7lCBBA/zqVS/LfZzY7YW0HpPJUVU04+J/I=;\n\tb=PzAr039cIHSFlhc9jOF8KKqg0JcXpKR4+s+zaIBG4+bHrGUbyxgae2QdnSVLt+Wx0d\n\tETVgCByBhgqsWQLVQpx6PLqq2KwBbydcKhSOe1C8oK15Yok9FYBX1sz5eufvy74GmezU\n\t1yrJWD6qmiGCNlEmrMxNagXJZo29pug1utjFpdnAnU/xnTKkFHMjGFk4VdU7uFp4I9/A\n\tBBLiBFKyo/eJ5VEmBMF0gyvfnvnjpVQLBybxRAFFMzP1yCe52Ym8w2fXdw8cvpu5mM5Y\n\tShrBlhi+ya4xEe6AvZvgm/EfGucCZRLaiHJCxKxuxX83j++9wwX75zPeuAlN1xtt4Hwg\n\tl7EA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=gApXwU5Mr7lCBBA/zqVS/LfZzY7YW0HpPJUVU04+J/I=;\n\tb=hQfv5Aj4/J4FaShlLvgcVfy+hzrCp/yeOzhgrOErah7o7kGUb8mG5Mrc27vhBI0s9D\n\tggdjCgaP/KnkSrR2pfKvgyz7OlnoRpzU637eRa/JUi+mdpJMPPim2uz7weJYMsn8wWWn\n\tFdtS03LXQln4pv7+WO7d1kGZ21cok6brNUF9Dz7eE+VPj62pou8HO5wECv2VTt3mYWuV\n\t6CDp8NOoo5Ex8A0PP5DpNwIDWOIO+7bhkz2fK6Eb1Iirse6u99UMsdxv1pEQ9ddc6Uqw\n\tDbtDFvDh0xOjtOOx5kWBPxSxJFZ8Lj/j5zNTZBXwCbk3ZdFTuE0n0uBkd4C9Fwx0Qc7r\n\t1ERQ==", "X-Gm-Message-State": "APjAAAWz9X60wTBOm9QRJ3Z1BskRhejB1yHp89x6s1mPVU0Pl5vUuJju\n\tc0QBQ8ctUMVAARubrxWvMVOVhBC8N31bKA==", "X-Google-Smtp-Source": "APXvYqxxfR+TXjIP6M9+GxUQ2GhVuvbYAIKqFcQStBZ28pnHcNHucmzUnK9iVvySk2NEvxRMJ7dCfg==", "X-Received": "by 2002:a05:651c:113c:: with SMTP id\n\te28mr984671ljo.184.1567675967219; \n\tThu, 05 Sep 2019 02:32:47 -0700 (PDT)", "From": "Andrzej Ostruszka <amo@semihalf.com>", "To": "dev@dpdk.org", "Cc": "Andrzej Ostruszka <aostruszka@marvell.com>", "Date": "Thu, 5 Sep 2019 11:32:38 +0200", "Message-Id": "<20190905093239.27187-10-amo@semihalf.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20190905093239.27187-1-amo@semihalf.com>", "References": "<20190905093239.27187-1-amo@semihalf.com>", "Subject": "[dpdk-dev] [PATCH 09/10] net/ifc: fix maybe-uninitialized warnings\n\tfor LTO build", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "During LTO build compiler reports some 'false positive' warnings about\nvariables being possibly used uninitialized. This patch silences these\nwarnings.\n\nSigned-off-by: Andrzej Ostruszka <aostruszka@marvell.com>\n---\n drivers/net/ifc/ifcvf_vdpa.c | 14 +++++++++-----\n 1 file changed, 9 insertions(+), 5 deletions(-)", "diff": "diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c\nindex 8de9ef199..4cdff8712 100644\n--- a/drivers/net/ifc/ifcvf_vdpa.c\n+++ b/drivers/net/ifc/ifcvf_vdpa.c\n@@ -304,8 +304,8 @@ vdpa_ifcvf_stop(struct ifcvf_internal *internal)\n \tstruct ifcvf_hw *hw = &internal->hw;\n \tuint32_t i;\n \tint vid;\n-\tuint64_t features;\n-\tuint64_t log_base, log_size;\n+\tuint64_t features = 0;\n+\tuint64_t log_base = 0, log_size = 0;\n \tuint64_t len;\n \n \tvid = internal->vid;\n@@ -348,6 +348,8 @@ vdpa_enable_vfio_intr(struct ifcvf_internal *internal, bool m_rx)\n \tstruct rte_vhost_vring vring;\n \tint fd;\n \n+\tvring.callfd = -1;\n+\n \tnr_vring = rte_vhost_get_vring_num(internal->vid);\n \n \tirq_set = (struct vfio_irq_set *)irq_set_buf;\n@@ -442,6 +444,7 @@ notify_relay(void *arg)\n \t}\n \tinternal->epfd = epfd;\n \n+\tvring.kickfd = -1;\n \tfor (qid = 0; qid < q_num; qid++) {\n \t\tev.events = EPOLLIN | EPOLLPRI;\n \t\trte_vhost_get_vhost_vring(internal->vid, qid, &vring);\n@@ -577,7 +580,7 @@ m_ifcvf_start(struct ifcvf_internal *internal)\n \tstruct ifcvf_hw *hw = &internal->hw;\n \tuint32_t i, nr_vring;\n \tint vid, ret;\n-\tstruct rte_vhost_vring vq;\n+\tstruct rte_vhost_vring vq = { 0 };\n \tvoid *vring_buf;\n \tuint64_t m_vring_iova = IFCVF_MEDIATED_VRING;\n \tuint64_t size;\n@@ -721,6 +724,7 @@ vring_relay(void *arg)\n \t}\n \tinternal->epfd = epfd;\n \n+\tvring.kickfd = -1;\n \tfor (qid = 0; qid < q_num; qid++) {\n \t\tev.events = EPOLLIN | EPOLLPRI;\n \t\trte_vhost_get_vhost_vring(vid, qid, &vring);\n@@ -930,11 +934,11 @@ ifcvf_dev_close(int vid)\n static int\n ifcvf_set_features(int vid)\n {\n-\tuint64_t features;\n+\tuint64_t features = 0;\n \tint did;\n \tstruct internal_list *list;\n \tstruct ifcvf_internal *internal;\n-\tuint64_t log_base, log_size;\n+\tuint64_t log_base = 0, log_size = 0;\n \n \tdid = rte_vhost_get_vdpa_device_id(vid);\n \tlist = find_internal_resource_by_did(did);\n", "prefixes": [ "09/10" ] }