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GET /api/patches/130756/?format=api
http://patchwork.dpdk.org/api/patches/130756/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20230825101344.1828774-10-simei.su@intel.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": "<20230825101344.1828774-10-simei.su@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230825101344.1828774-10-simei.su@intel.com", "date": "2023-08-25T10:13:36", "name": "[v2,09/17] common/idpf/base: use local pointer before updating 'CQ out'", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "5c4713f029397cf19197cb68902503bf1d52aa1c", "submitter": { "id": 1298, "url": "http://patchwork.dpdk.org/api/people/1298/?format=api", "name": "Simei Su", "email": "simei.su@intel.com" }, "delegate": { "id": 1540, "url": "http://patchwork.dpdk.org/api/users/1540/?format=api", "username": "qzhan15", "first_name": "Qi", "last_name": "Zhang", "email": "qi.z.zhang@intel.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20230825101344.1828774-10-simei.su@intel.com/mbox/", "series": [ { "id": 29341, "url": "http://patchwork.dpdk.org/api/series/29341/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=29341", "date": "2023-08-25T10:13:27", "name": "update idpf base code", "version": 2, "mbox": "http://patchwork.dpdk.org/series/29341/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/130756/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/130756/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 C813E430FF;\n\tFri, 25 Aug 2023 12:14:35 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 373FA43274;\n\tFri, 25 Aug 2023 12:14:12 +0200 (CEST)", "from mgamail.intel.com (mgamail.intel.com [134.134.136.100])\n by mails.dpdk.org (Postfix) with ESMTP id B380843257\n for <dev@dpdk.org>; Fri, 25 Aug 2023 12:14:05 +0200 (CEST)", "from orsmga001.jf.intel.com ([10.7.209.18])\n by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 25 Aug 2023 03:14:05 -0700", "from dpdk-simei-icelake.sh.intel.com ([10.67.110.167])\n by orsmga001.jf.intel.com with ESMTP; 25 Aug 2023 03:14:02 -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=1692958445; x=1724494445;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=1Br581mr0N2dWe09d6NvBl6kVlWkn/flK7LmD3SEMjc=;\n b=EojA6g4mHXz2HFnDpU2gnLchADOyaUZy6OjTp/ql5WHUYZobLFIyFXdU\n 4GR9501mNzIo8adpmZgoW8kLgziL4Fi2tSSxygDfwIeZ+gtAUD8RcE+yp\n OrIKuJHzCOqcAVbMVUgrXifbQKU+hwaLXppK7P5r6t56xMpZCQpP/mw+X\n zZZZ6SHzxi0JGzIKAJXKpJ5iYeZQOVTYcG7GVkkIiA215z4P8nOqAEyGV\n xDVQVLjLCy2anPj7dsuvOgN7WlomohrXIsgPAyxdxY35aAfR12bohbb2E\n yl280mZByTb/YTbSy27RNVgla8Xxs1YRi1jA29oVKq2yMi3pCNKqW5IX3 w==;", "X-IronPort-AV": [ "E=McAfee;i=\"6600,9927,10812\"; a=\"441028022\"", "E=Sophos;i=\"6.02,195,1688454000\"; d=\"scan'208\";a=\"441028022\"", "E=McAfee;i=\"6600,9927,10812\"; a=\"772439619\"", "E=Sophos;i=\"6.02,195,1688454000\"; d=\"scan'208\";a=\"772439619\"" ], "X-ExtLoop1": "1", "From": "Simei Su <simei.su@intel.com>", "To": "jingjing.wu@intel.com,\n\tbeilei.xing@intel.com,\n\tqi.z.zhang@intel.com", "Cc": "dev@dpdk.org, mingxia.liu@intel.com, wenjing.qiao@intel.com,\n Simei Su <simei.su@intel.com>,\n Pavan Kumar Linga <pavan.kumar.linga@intel.com>", "Subject": "[PATCH v2 09/17] common/idpf/base: use local pointer before updating\n 'CQ out'", "Date": "Fri, 25 Aug 2023 18:13:36 +0800", "Message-Id": "<20230825101344.1828774-10-simei.su@intel.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20230825101344.1828774-1-simei.su@intel.com>", "References": "<20230809013308.1449103-1-wenjing.qiao@intel.com>\n <20230825101344.1828774-1-simei.su@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": "Instead of updating directly to 'cq_out' double pointer, use a\nlocal pointer and update only when we return success.\n\nSigned-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>\nSigned-off-by: Simei Su <simei.su@intel.com>\n---\n drivers/common/idpf/base/idpf_controlq.c | 43 +++++++++++++-----------\n 1 file changed, 23 insertions(+), 20 deletions(-)", "diff": "diff --git a/drivers/common/idpf/base/idpf_controlq.c b/drivers/common/idpf/base/idpf_controlq.c\nindex 6815153e1d..b84a1ea046 100644\n--- a/drivers/common/idpf/base/idpf_controlq.c\n+++ b/drivers/common/idpf/base/idpf_controlq.c\n@@ -137,6 +137,7 @@ int idpf_ctlq_add(struct idpf_hw *hw,\n \t\t struct idpf_ctlq_create_info *qinfo,\n \t\t struct idpf_ctlq_info **cq_out)\n {\n+\tstruct idpf_ctlq_info *cq;\n \tbool is_rxq = false;\n \tint status = 0;\n \n@@ -145,26 +146,26 @@ int idpf_ctlq_add(struct idpf_hw *hw,\n \t qinfo->buf_size > IDPF_CTLQ_MAX_BUF_LEN)\n \t\treturn -EINVAL;\n \n-\t*cq_out = (struct idpf_ctlq_info *)\n-\t\tidpf_calloc(hw, 1, sizeof(struct idpf_ctlq_info));\n-\tif (!(*cq_out))\n+\tcq = (struct idpf_ctlq_info *)\n+\t idpf_calloc(hw, 1, sizeof(struct idpf_ctlq_info));\n+\tif (!cq)\n \t\treturn -ENOMEM;\n \n-\t(*cq_out)->cq_type = qinfo->type;\n-\t(*cq_out)->q_id = qinfo->id;\n-\t(*cq_out)->buf_size = qinfo->buf_size;\n-\t(*cq_out)->ring_size = qinfo->len;\n+\t(cq)->cq_type = qinfo->type;\n+\t(cq)->q_id = qinfo->id;\n+\t(cq)->buf_size = qinfo->buf_size;\n+\t(cq)->ring_size = qinfo->len;\n \n-\t(*cq_out)->next_to_use = 0;\n-\t(*cq_out)->next_to_clean = 0;\n-\t(*cq_out)->next_to_post = (*cq_out)->ring_size - 1;\n+\t(cq)->next_to_use = 0;\n+\t(cq)->next_to_clean = 0;\n+\t(cq)->next_to_post = cq->ring_size - 1;\n \n \tswitch (qinfo->type) {\n \tcase IDPF_CTLQ_TYPE_MAILBOX_RX:\n \t\tis_rxq = true;\n \t\t/* fallthrough */\n \tcase IDPF_CTLQ_TYPE_MAILBOX_TX:\n-\t\tstatus = idpf_ctlq_alloc_ring_res(hw, *cq_out);\n+\t\tstatus = idpf_ctlq_alloc_ring_res(hw, cq);\n \t\tbreak;\n \tdefault:\n \t\tstatus = -EINVAL;\n@@ -175,33 +176,35 @@ int idpf_ctlq_add(struct idpf_hw *hw,\n \t\tgoto init_free_q;\n \n \tif (is_rxq) {\n-\t\tidpf_ctlq_init_rxq_bufs(*cq_out);\n+\t\tidpf_ctlq_init_rxq_bufs(cq);\n \t} else {\n \t\t/* Allocate the array of msg pointers for TX queues */\n-\t\t(*cq_out)->bi.tx_msg = (struct idpf_ctlq_msg **)\n+\t\tcq->bi.tx_msg = (struct idpf_ctlq_msg **)\n \t\t\tidpf_calloc(hw, qinfo->len,\n \t\t\t\t sizeof(struct idpf_ctlq_msg *));\n-\t\tif (!(*cq_out)->bi.tx_msg) {\n+\t\tif (!cq->bi.tx_msg) {\n \t\t\tstatus = -ENOMEM;\n \t\t\tgoto init_dealloc_q_mem;\n \t\t}\n \t}\n \n-\tidpf_ctlq_setup_regs(*cq_out, qinfo);\n+\tidpf_ctlq_setup_regs(cq, qinfo);\n \n-\tidpf_ctlq_init_regs(hw, *cq_out, is_rxq);\n+\tidpf_ctlq_init_regs(hw, cq, is_rxq);\n \n-\tidpf_init_lock(&(*cq_out)->cq_lock);\n+\tidpf_init_lock(&(cq->cq_lock));\n \n-\tLIST_INSERT_HEAD(&hw->cq_list_head, (*cq_out), cq_list);\n+\tLIST_INSERT_HEAD(&hw->cq_list_head, cq, cq_list);\n \n+\t*cq_out = cq;\n \treturn status;\n \n init_dealloc_q_mem:\n \t/* free ring buffers and the ring itself */\n-\tidpf_ctlq_dealloc_ring_res(hw, *cq_out);\n+\tidpf_ctlq_dealloc_ring_res(hw, cq);\n init_free_q:\n-\tidpf_free(hw, *cq_out);\n+\tidpf_free(hw, cq);\n+\tcq = NULL;\n \n \treturn status;\n }\n", "prefixes": [ "v2", "09/17" ] }{ "id": 130756, "url": "