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GET /api/patches/137868/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 137868,
    "url": "http://patches.dpdk.org/api/patches/137868/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20240304090136.861-28-shaibran@amazon.com/",
    "project": {
        "id": 1,
        "url": "http://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": "<20240304090136.861-28-shaibran@amazon.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20240304090136.861-28-shaibran@amazon.com",
    "date": "2024-03-04T09:01:30",
    "name": "[27/33] net/ena/hal: modify customer metrics memory management",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "a1b5d41f0f8df25d2de17d77edfa26ebf09528c6",
    "submitter": {
        "id": 2930,
        "url": "http://patches.dpdk.org/api/people/2930/?format=api",
        "name": "Brandes, Shai",
        "email": "shaibran@amazon.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20240304090136.861-28-shaibran@amazon.com/mbox/",
    "series": [
        {
            "id": 31356,
            "url": "http://patches.dpdk.org/api/series/31356/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=31356",
            "date": "2024-03-04T09:01:07",
            "name": "net/ena: v2.9.0 driver release",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/31356/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/137868/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/137868/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 CF7D143B9B;\n\tMon,  4 Mar 2024 10:06:26 +0100 (CET)",
            "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id C953342E26;\n\tMon,  4 Mar 2024 10:02:31 +0100 (CET)",
            "from smtp-fw-80009.amazon.com (smtp-fw-80009.amazon.com\n [99.78.197.220]) by mails.dpdk.org (Postfix) with ESMTP id 53C3240A4B\n for <dev@dpdk.org>; Mon,  4 Mar 2024 10:02:22 +0100 (CET)",
            "from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO\n smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.210])\n by smtp-border-fw-80009.pdx80.corp.amazon.com with\n ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2024 09:02:21 +0000",
            "from EX19MTAEUA001.ant.amazon.com [10.0.43.254:58576]\n by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.20.189:2525]\n with esmtp (Farcaster)\n id 9e8c0f78-d9cc-4b96-b3be-fe8346b3d176; Mon, 4 Mar 2024 09:02:20 +0000 (UTC)",
            "from EX19D007EUA001.ant.amazon.com (10.252.50.133) by\n EX19MTAEUA001.ant.amazon.com (10.252.50.50) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.1258.28; Mon, 4 Mar 2024 09:02:20 +0000",
            "from EX19MTAUEC001.ant.amazon.com (10.252.135.222) by\n EX19D007EUA001.ant.amazon.com (10.252.50.133) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.1258.28; Mon, 4 Mar 2024 09:02:19 +0000",
            "from HFA15-CG15235BS.amazon.com (10.1.212.49) by\n mail-relay.amazon.com (10.252.135.200) with Microsoft SMTP Server id\n 15.2.1258.28 via Frontend Transport; Mon, 4 Mar 2024 09:02:18 +0000"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209;\n t=1709542942; x=1741078942;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version;\n bh=Lgx6T8GaiUd+pGKdHCph8iOQWujbjxgXPslj7DIoynY=;\n b=bei3e26RsfciDbshOU6w3aNZeeJC4BdXfMv6JVA34KGr5IXY6YGGA+Po\n 8M6se4ayyjV5sZOCFhNdrNjwzY79HEpnCAwa3NF8DSaGXANHK2jaiLPHg\n f6YOzZheuqtyfXKa/oSk/Lozpse7blu470cglFN0L1yZ3/v7OT1HI08af A=;",
        "X-IronPort-AV": "E=Sophos;i=\"6.06,203,1705363200\"; d=\"scan'208\";a=\"70437665\"",
        "X-Farcaster-Flow-ID": "9e8c0f78-d9cc-4b96-b3be-fe8346b3d176",
        "From": "<shaibran@amazon.com>",
        "To": "<ferruh.yigit@amd.com>",
        "CC": "<dev@dpdk.org>, Shai Brandes <shaibran@amazon.com>",
        "Subject": "[PATCH 27/33] net/ena/hal: modify customer metrics memory management",
        "Date": "Mon, 4 Mar 2024 11:01:30 +0200",
        "Message-ID": "<20240304090136.861-28-shaibran@amazon.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "In-Reply-To": "<20240304090136.861-1-shaibran@amazon.com>",
        "References": "<20240304090136.861-1-shaibran@amazon.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain",
        "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": "From: Shai Brandes <shaibran@amazon.com>\n\n1. Set buffer length to zero in case memory allocation failed\n   and after memory is released.\n2. The driver checks buffer_virt_addr for customer allocation\n   success. In case the allocation fails, buffer_virt_addr\n   may not necessarily be NULL.\n\nSigned-off-by: Shai Brandes <shaibran@amazon.com>\nReviewed-by: Amit Bernstein <amitbern@amazon.com>\n---\n drivers/net/ena/hal/ena_com.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/ena/hal/ena_com.c b/drivers/net/ena/hal/ena_com.c\nindex 2db21e7895..24756e5e76 100644\n--- a/drivers/net/ena/hal/ena_com.c\n+++ b/drivers/net/ena/hal/ena_com.c\n@@ -3233,13 +3233,17 @@ int ena_com_allocate_customer_metrics_buffer(struct ena_com_dev *ena_dev)\n \tstruct ena_customer_metrics *customer_metrics = &ena_dev->customer_metrics;\n \n \tcustomer_metrics->buffer_len = ENA_CUSTOMER_METRICS_BUFFER_SIZE;\n+\tcustomer_metrics->buffer_virt_addr = NULL;\n+\n \tENA_MEM_ALLOC_COHERENT(ena_dev->dmadev,\n \t\t\t       customer_metrics->buffer_len,\n \t\t\t       customer_metrics->buffer_virt_addr,\n \t\t\t       customer_metrics->buffer_dma_addr,\n \t\t\t       customer_metrics->buffer_dma_handle);\n-\tif (unlikely(!customer_metrics->buffer_virt_addr))\n+\tif (unlikely(!customer_metrics->buffer_virt_addr)) {\n+\t\tcustomer_metrics->buffer_len = 0;\n \t\treturn ENA_COM_NO_MEM;\n+\t}\n \n \treturn 0;\n }\n@@ -3283,6 +3287,7 @@ void ena_com_delete_customer_metrics_buffer(struct ena_com_dev *ena_dev)\n \t\t\t\t      customer_metrics->buffer_dma_addr,\n \t\t\t\t      customer_metrics->buffer_dma_handle);\n \t\tcustomer_metrics->buffer_virt_addr = NULL;\n+\t\tcustomer_metrics->buffer_len = 0;\n \t}\n }\n \n",
    "prefixes": [
        "27/33"
    ]
}