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{
    "id": 105324,
    "url": "http://patches.dpdk.org/api/patches/105324/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20211222083349.2034178-1-baymaxhuang@gmail.com/",
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        "id": 1,
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        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
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    "msgid": "<20211222083349.2034178-1-baymaxhuang@gmail.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20211222083349.2034178-1-baymaxhuang@gmail.com",
    "date": "2021-12-22T08:33:49",
    "name": "[v3] net/virtio: fix unregister virtio user memory event cb problem",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "79a891400258fb5e0bebf570887452cc5b6a5bb4",
    "submitter": {
        "id": 2435,
        "url": "http://patches.dpdk.org/api/people/2435/?format=api",
        "name": "Harold Huang",
        "email": "baymaxhuang@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20211222083349.2034178-1-baymaxhuang@gmail.com/mbox/",
    "series": [
        {
            "id": 21006,
            "url": "http://patches.dpdk.org/api/series/21006/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=21006",
            "date": "2021-12-22T08:33:49",
            "name": "[v3] net/virtio: fix unregister virtio user memory event cb problem",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/21006/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/105324/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/105324/checks/",
    "tags": {},
    "related": [],
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        "From": "Harold Huang <baymaxhuang@gmail.com>",
        "To": "dev@dpdk.org",
        "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>,\n Chenbo Xia <chenbo.xia@intel.com>",
        "Subject": "[PATCH v3] net/virtio: fix unregister virtio user memory event cb\n problem",
        "Date": "Wed, 22 Dec 2021 16:33:49 +0800",
        "Message-Id": "<20211222083349.2034178-1-baymaxhuang@gmail.com>",
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    },
    "content": "When eth_virtio_dev_init is failed, the registered virtio user memory\nevent cb is not released and creating a new vdev could be failed\nbecause the new virtio_user_dev could use the same address pointer and\nregister memory event cb to the same address is not allowed.\n\nSigned-off-by: Harold Huang <baymaxhuang@gmail.com>\n---\nCompared PATCH v2, commit message is changed. The problem this patch want\nto solve can be reproduced by ovs 2.16.90 and the latest dpdk.\n drivers/net/virtio/virtio_user_ethdev.c | 1 +\n 1 file changed, 1 insertion(+)",
    "diff": "diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c\nindex 0271098f0d..16eca2f940 100644\n--- a/drivers/net/virtio/virtio_user_ethdev.c\n+++ b/drivers/net/virtio/virtio_user_ethdev.c\n@@ -666,6 +666,7 @@ virtio_user_pmd_probe(struct rte_vdev_device *vdev)\n \t/* previously called by pci probing for physical dev */\n \tif (eth_virtio_dev_init(eth_dev) < 0) {\n \t\tPMD_INIT_LOG(ERR, \"eth_virtio_dev_init fails\");\n+\t\tvirtio_user_dev_uninit(dev);\n \t\tvirtio_user_eth_dev_free(eth_dev);\n \t\tgoto end;\n \t}\n",
    "prefixes": [
        "v3"
    ]
}