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{
    "id": 7785,
    "url": "https://patches.dpdk.org/api/patches/7785/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1445355462-16521-1-git-send-email-bernard.iremonger@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": "<1445355462-16521-1-git-send-email-bernard.iremonger@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1445355462-16521-1-git-send-email-bernard.iremonger@intel.com",
    "date": "2015-10-20T15:37:41",
    "name": "[dpdk-dev,1/2] virtio: fixed segmentation fault in queue_release",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "9e757d6b290873b730ae71d38db53683be4e7979",
    "submitter": {
        "id": 91,
        "url": "https://patches.dpdk.org/api/people/91/?format=api",
        "name": "Iremonger, Bernard",
        "email": "bernard.iremonger@intel.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1445355462-16521-1-git-send-email-bernard.iremonger@intel.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/7785/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/7785/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 234435A65;\n\tTue, 20 Oct 2015 17:37:52 +0200 (CEST)",
            "from mga09.intel.com (mga09.intel.com [134.134.136.24])\n\tby dpdk.org (Postfix) with ESMTP id 96B7558F3\n\tfor <dev@dpdk.org>; Tue, 20 Oct 2015 17:37:50 +0200 (CEST)",
            "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby orsmga102.jf.intel.com with ESMTP; 20 Oct 2015 08:37:50 -0700",
            "from irvmail001.ir.intel.com ([163.33.26.43])\n\tby fmsmga002.fm.intel.com with ESMTP; 20 Oct 2015 08:37:49 -0700",
            "from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com\n\t[10.237.217.45])\n\tby irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id\n\tt9KFblml025793; Tue, 20 Oct 2015 16:37:47 +0100",
            "from sivswdev01.ir.intel.com (localhost [127.0.0.1])\n\tby sivswdev01.ir.intel.com with ESMTP id t9KFblpw016618;\n\tTue, 20 Oct 2015 16:37:47 +0100",
            "(from bairemon@localhost)\n\tby sivswdev01.ir.intel.com with  id t9KFblfM016614;\n\tTue, 20 Oct 2015 16:37:47 +0100"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.17,707,1437462000\"; d=\"scan'208\";a=\"831331221\"",
        "From": "Bernard Iremonger <bernard.iremonger@intel.com>",
        "To": "dev@dpdk.org",
        "Date": "Tue, 20 Oct 2015 16:37:41 +0100",
        "Message-Id": "<1445355462-16521-1-git-send-email-bernard.iremonger@intel.com>",
        "X-Mailer": "git-send-email 1.7.4.1",
        "In-Reply-To": "<PATCH>",
        "References": "<PATCH>",
        "Subject": "[dpdk-dev] [PATCH 1/2] virtio: fixed segmentation fault in\n\tqueue_release",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "if input parameter vq is NULL, hw = vq->hw, causes a segmentation fault.\n\nSigned-off-by: Bernard Iremonger <bernard.iremonger@intel.com>\n---\n drivers/net/virtio/virtio_ethdev.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c\nindex 465d3cd..147aca1 100644\n--- a/drivers/net/virtio/virtio_ethdev.c\n+++ b/drivers/net/virtio/virtio_ethdev.c\n@@ -239,9 +239,10 @@ virtio_set_multiple_queues(struct rte_eth_dev *dev, uint16_t nb_queues)\n \n void\n virtio_dev_queue_release(struct virtqueue *vq) {\n-\tstruct virtio_hw *hw = vq->hw;\n+\tstruct virtio_hw *hw;\n \n \tif (vq) {\n+\t\thw = vq->hw;\n \t\t/* Select and deactivate the queue */\n \t\tVIRTIO_WRITE_REG_2(hw, VIRTIO_PCI_QUEUE_SEL, vq->queue_id);\n \t\tVIRTIO_WRITE_REG_4(hw, VIRTIO_PCI_QUEUE_PFN, 0);\n",
    "prefixes": [
        "dpdk-dev",
        "1/2"
    ]
}