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GET /api/patches/127500/?format=api
{ "id": 127500, "url": "https://patches.dpdk.org/api/patches/127500/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230525182812.152907-2-hernan.vargas@intel.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": "<20230525182812.152907-2-hernan.vargas@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230525182812.152907-2-hernan.vargas@intel.com", "date": "2023-05-25T18:28:07", "name": "[v2,1/6] baseband/fpga_5gnr_fec: fix possible div by zero", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "d9379ebef020cd8b200ba8112dfd5c0c65415c53", "submitter": { "id": 2659, "url": "https://patches.dpdk.org/api/people/2659/?format=api", "name": "Hernan Vargas", "email": "hernan.vargas@intel.com" }, "delegate": { "id": 2642, "url": "https://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230525182812.152907-2-hernan.vargas@intel.com/mbox/", "series": [ { "id": 28189, "url": "https://patches.dpdk.org/api/series/28189/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=28189", "date": "2023-05-25T18:28:06", "name": "changes for 23.07", "version": 2, "mbox": "https://patches.dpdk.org/series/28189/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/127500/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/127500/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 B51C342B9E;\n\tThu, 25 May 2023 20:31:23 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 201E142B71;\n\tThu, 25 May 2023 20:31:20 +0200 (CEST)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n by mails.dpdk.org (Postfix) with ESMTP id 9426C40DDB;\n Thu, 25 May 2023 20:31:17 +0200 (CEST)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 25 May 2023 11:29:21 -0700", "from unknown (HELO csl-npg-qt0.la.intel.com) ([10.233.181.103])\n by fmsmga005.fm.intel.com with ESMTP; 25 May 2023 11:29:17 -0700" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1685039477; x=1716575477;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=9r+LnxEEMo4Esmx/TnzQjoZ1FeSXH0OvNJTc/Q9foKI=;\n b=IOJb4/PTchPaGWKcdAoLZWU3HB900+R8+9GRjDD49gWuaq5klgYTttae\n jyv1LrlhSg1feH3i6LjLOlMVcfzBzJ7zBG6TB/3yVx6yTlRLiyk1+rwuW\n oTlkX0x8gkbpQS1dt3WFmbVtwK+QiWjuWxAO2tqY1NfLz/RctX2e6EJVY\n +gtAdpNLw7fFrSZL76a1SYnuiRm6fp9obBzTCo8oRWtNbFOTTnofEWdHm\n ak84pMG7DPVNphKTZM4v6Ti6KBiQ1EMrLAwh4k5jrdFLl2+1MwMYzUDz2\n gau38big3f1cnI09towSvfsP3A9i2lyTMA6Obo5jpMGxSw6h27UuP9fg5 A==;", "X-IronPort-AV": [ "E=McAfee;i=\"6600,9927,10721\"; a=\"357236137\"", "E=Sophos;i=\"6.00,191,1681196400\"; d=\"scan'208\";a=\"357236137\"", "E=McAfee;i=\"6600,9927,10721\"; a=\"1035044074\"", "E=Sophos;i=\"6.00,191,1681196400\"; d=\"scan'208\";a=\"1035044074\"" ], "X-ExtLoop1": "1", "From": "Hernan Vargas <hernan.vargas@intel.com>", "To": "dev@dpdk.org, maxime.coquelin@redhat.com, gakhil@marvell.com,\n trix@redhat.com", "Cc": "nicolas.chautru@intel.com, qi.z.zhang@intel.com,\n Hernan Vargas <hernan.vargas@intel.com>, stable@dpdk.org", "Subject": "[PATCH v2 1/6] baseband/fpga_5gnr_fec: fix possible div by zero", "Date": "Thu, 25 May 2023 11:28:07 -0700", "Message-Id": "<20230525182812.152907-2-hernan.vargas@intel.com>", "X-Mailer": "git-send-email 2.37.1", "In-Reply-To": "<20230525182812.152907-1-hernan.vargas@intel.com>", "References": "<20230525182812.152907-1-hernan.vargas@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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": "Add fix to have an early exit when z_c is zero to prevent a possible\ndivision by zero.\n\nFixes: 44dc6faa796f (\"baseband/fpga_5gnr_fec: add LDPC processing functions\")\nCc: stable@dpdk.org\n\nSigned-off-by: Hernan Vargas <hernan.vargas@intel.com>\nReviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c | 4 +++-\n 1 file changed, 3 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c\nindex f29565af8cca..99390c48160c 100644\n--- a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c\n+++ b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c\n@@ -877,9 +877,11 @@ check_desc_error(uint32_t error_code) {\n static inline uint16_t\n get_k0(uint16_t n_cb, uint16_t z_c, uint8_t bg, uint8_t rv_index)\n {\n+\tuint16_t n = (bg == 1 ? N_ZC_1 : N_ZC_2) * z_c;\n \tif (rv_index == 0)\n \t\treturn 0;\n-\tuint16_t n = (bg == 1 ? N_ZC_1 : N_ZC_2) * z_c;\n+\tif (z_c == 0)\n+\t\treturn 0;\n \tif (n_cb == n) {\n \t\tif (rv_index == 1)\n \t\t\treturn (bg == 1 ? K0_1_1 : K0_1_2) * z_c;\n", "prefixes": [ "v2", "1/6" ] }