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GET /api/patches/115714/?format=api
{ "id": 115714, "url": "http://patchwork.dpdk.org/api/patches/115714/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20220901084943.3075710-1-amitprakashs@marvell.com/", "project": { "id": 1, "url": "http://patchwork.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": "<20220901084943.3075710-1-amitprakashs@marvell.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20220901084943.3075710-1-amitprakashs@marvell.com", "date": "2022-09-01T08:49:43", "name": "vhost: compilation fix for GCC-12", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "0904454762f48b0aa882fa635c5c229e8af4671a", "submitter": { "id": 2699, "url": "http://patchwork.dpdk.org/api/people/2699/?format=api", "name": "Amit Prakash Shukla", "email": "amitprakashs@marvell.com" }, "delegate": { "id": 2642, "url": "http://patchwork.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20220901084943.3075710-1-amitprakashs@marvell.com/mbox/", "series": [ { "id": 24496, "url": "http://patchwork.dpdk.org/api/series/24496/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=24496", "date": "2022-09-01T08:49:43", "name": "vhost: compilation fix for GCC-12", "version": 1, "mbox": "http://patchwork.dpdk.org/series/24496/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/115714/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/115714/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 50BF2A0032;\n\tThu, 1 Sep 2022 10:49:53 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id D740C41155;\n\tThu, 1 Sep 2022 10:49:52 +0200 (CEST)", "from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com\n [67.231.156.173])\n by mails.dpdk.org (Postfix) with ESMTP id 5945A40395;\n Thu, 1 Sep 2022 10:49:51 +0200 (CEST)", "from pps.filterd (m0045851.ppops.net [127.0.0.1])\n by mx0b-0016f401.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id\n 2815CueG006025;\n Thu, 1 Sep 2022 01:49:50 -0700", "from dc5-exch02.marvell.com ([199.233.59.182])\n by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3ja3vemxna-1\n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT);\n Thu, 01 Sep 2022 01:49:50 -0700", "from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com\n (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.18;\n Thu, 1 Sep 2022 01:49:48 -0700", "from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com\n (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend\n Transport; Thu, 1 Sep 2022 01:49:48 -0700", "from localhost.localdomain (unknown [10.28.36.157])\n by maili.marvell.com (Postfix) with ESMTP id 9BD853F7050;\n Thu, 1 Sep 2022 01:49:46 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com;\n h=from : to : cc :\n subject : date : message-id : mime-version : content-transfer-encoding :\n content-type; s=pfpt0220; bh=wMdLMWLPKX5fI7Kk3sgScrCKlJVQ5JIYcilbmIayNV8=;\n b=bvQR2mNFbN3vB8fl24eLS0O0L2/Jo8n3Bwh8+OhdVJIFtba3PD3Sz/e/xU9UpxfVH/GU\n Ff+OX+7AvfbIHGh3FLTQhuhyhoFIKPYTKwnNrCMv0/dO4w8LriKVIY+Gu1XpNIyOyjG8\n w4aahMzRQpeVbakzWOqF06JZ0eNxvZOOmIc4HLOcM0XN1J/01DdjHO3Nh9IMQb56uX5P\n MN7PKYcF5rgJa0QRPOgAi2Xlc0CyfPUV7iKBjPrF2uTnaoAkstPZhplK9gH5XXRsD3xR\n N7rFapq39xvubGCo8dYj6+UJfjPthuMP65QzvPr/8zcCcZz4+I359mvVzNjsZ+ASPooK LA==", "From": "Amit Prakash Shukla <amitprakashs@marvell.com>", "To": "Maxime Coquelin <maxime.coquelin@redhat.com>, Chenbo Xia\n <chenbo.xia@intel.com>", "CC": "<dev@dpdk.org>, <jerinj@marvell.com>, <stable@dpdk.org>, \"Amit Prakash\n Shukla\" <amitprakashs@marvell.com>", "Subject": "[PATCH] vhost: compilation fix for GCC-12", "Date": "Thu, 1 Sep 2022 14:19:43 +0530", "Message-ID": "<20220901084943.3075710-1-amitprakashs@marvell.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Proofpoint-ORIG-GUID": "76NRKeebIeQ_f5pzjCOfgv82jxi0e3eU", "X-Proofpoint-GUID": "76NRKeebIeQ_f5pzjCOfgv82jxi0e3eU", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1\n definitions=2022-09-01_06,2022-08-31_03,2022-06-22_01", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "../lib/vhost/virtio_net.c:941:35: error:\n\t\t'buf_vec[0].buf_len' may be used uninitialized\n\t\t[-Werror=maybe-uninitialized]\n 941 | buf_len = buf_vec[vec_idx].buf_len;\n | ~~~~~~~~~~~~~~~~^~~~~~~~\n../lib/vhost/virtio_net.c: In function 'virtio_dev_rx_packed':\n../lib/vhost/virtio_net.c:1285:27: note: 'buf_vec' declared here\n 1285 | struct buf_vector buf_vec[BUF_VECTOR_MAX];\n | ^~~~~~~\ncc1: all warnings being treated as errors\n\nFixes: 93520085efda (\"vhost: add packed ring single enqueue\")\nCc: stable@dpdk.org\n\nSigned-off-by: Amit Prakash Shukla <amitprakashs@marvell.com>\n---\n lib/vhost/virtio_net.c | 12 ++++++++++++\n 1 file changed, 12 insertions(+)", "diff": "diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c\nindex b3d954aab4..0220bc923c 100644\n--- a/lib/vhost/virtio_net.c\n+++ b/lib/vhost/virtio_net.c\n@@ -1069,6 +1069,12 @@ vhost_enqueue_single_packed(struct virtio_net *dev,\n \telse\n \t\tmax_tries = 1;\n \n+\t/* To avoid GCC-12 warning.\n+\t * GCC-12 is not evaluating sizeof at compile time.\n+\t */\n+\tif (unlikely(size == 0))\n+\t\treturn -1;\n+\n \twhile (size > 0) {\n \t\t/*\n \t\t * if we tried all available ring items, and still\n@@ -1574,6 +1580,12 @@ vhost_enqueue_async_packed(struct virtio_net *dev,\n \telse\n \t\tmax_tries = 1;\n \n+\t/* To avoid GCC-12 warning.\n+\t * GCC-12 is not evaluating sizeof at compile time.\n+\t */\n+\tif (unlikely(size == 0))\n+\t\treturn -1;\n+\n \twhile (size > 0) {\n \t\t/*\n \t\t * if we tried all available ring items, and still\n", "prefixes": [] }