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{
    "id": 104872,
    "url": "http://patchwork.dpdk.org/api/patches/104872/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20211205062102.2165380-1-baymaxhuang@gmail.com/",
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    "date": "2021-12-05T06:21:02",
    "name": "[v4] net/kni: reset rte_kni_conf struct before initialization",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "4a544209d21c195df84fe92ef0246290bd6dd235",
    "submitter": {
        "id": 2435,
        "url": "http://patchwork.dpdk.org/api/people/2435/?format=api",
        "name": "Harold Huang",
        "email": "baymaxhuang@gmail.com"
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        "username": "tmonjalo",
        "first_name": "Thomas",
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        "email": "thomas@monjalon.net"
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            "url": "http://patchwork.dpdk.org/api/series/20859/?format=api",
            "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=20859",
            "date": "2021-12-05T06:21:02",
            "name": "[v4] net/kni: reset rte_kni_conf struct before initialization",
            "version": 4,
            "mbox": "http://patchwork.dpdk.org/series/20859/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/104872/comments/",
    "check": "success",
    "checks": "http://patchwork.dpdk.org/api/patches/104872/checks/",
    "tags": {},
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    "headers": {
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        "From": "Harold Huang <baymaxhuang@gmail.com>",
        "To": "dev@dpdk.org",
        "Subject": "[PATCH v4] net/kni: reset rte_kni_conf struct before initialization",
        "Date": "Sun,  5 Dec 2021 14:21:02 +0800",
        "Message-Id": "<20211205062102.2165380-1-baymaxhuang@gmail.com>",
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    },
    "content": "When kni driver calls eth_kni_start to start device, some fields such as\nmin_mtu and max_mtu of rte_kni_conf are not initialized. It will cause\nkni_ioctl_create create a kni netdevice with a random min_mtu and max_mtu\nvalue. This isunexpected and in some time we could not change the kni\ndevice mtu with ip link command.\n\nFixes: ff1e35fb5f8 (\"kni: calculate MTU from mbuf size\")\nSigned-off-by: Harold Huang <baymaxhuang@gmail.com>\n---\n drivers/net/kni/rte_eth_kni.c | 1 +\n 1 file changed, 1 insertion(+)",
    "diff": "diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c\nindex c428caf441..23b15edfac 100644\n--- a/drivers/net/kni/rte_eth_kni.c\n+++ b/drivers/net/kni/rte_eth_kni.c\n@@ -128,6 +128,7 @@ eth_kni_start(struct rte_eth_dev *dev)\n \tconst char *name = dev->device->name + 4; /* remove net_ */\n \n \tmb_pool = internals->rx_queues[0].mb_pool;\n+\tmemset(&conf, 0, sizeof(conf));\n \tstrlcpy(conf.name, name, RTE_KNI_NAMESIZE);\n \tconf.force_bind = 0;\n \tconf.group_id = port_id;\n",
    "prefixes": [
        "v4"
    ]
}