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{
    "id": 15702,
    "url": "http://patchwork.dpdk.org/api/patches/15702/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/1473388936-2706-1-git-send-email-zhouyates@gmail.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",
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    "msgid": "<1473388936-2706-1-git-send-email-zhouyates@gmail.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1473388936-2706-1-git-send-email-zhouyates@gmail.com",
    "date": "2016-09-09T02:42:16",
    "name": "[dpdk-dev] kni: unregister an unregisterd net_device could cause a kernel crash",
    "commit_ref": null,
    "pull_url": null,
    "state": "rejected",
    "archived": true,
    "hash": "8e467d6150077a939350676a1a45de44e3a99370",
    "submitter": {
        "id": 472,
        "url": "http://patchwork.dpdk.org/api/people/472/?format=api",
        "name": "Matt",
        "email": "zhouyates@gmail.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patchwork.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/1473388936-2706-1-git-send-email-zhouyates@gmail.com/mbox/",
    "series": [],
    "comments": "http://patchwork.dpdk.org/api/patches/15702/comments/",
    "check": "pending",
    "checks": "http://patchwork.dpdk.org/api/patches/15702/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
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        "X-Received": "by 10.66.249.74 with SMTP id ys10mr35890224pac.29.1473344296798; \n\tThu, 08 Sep 2016 07:18:16 -0700 (PDT)",
        "From": "zhouyangchao <zhouyates@gmail.com>",
        "To": "ferruh.yigit@intel.com",
        "Cc": "dev@dpdk.org,\n\tzhouyangchao <zhouyates@gmail.com>",
        "Date": "Fri,  9 Sep 2016 10:42:16 +0800",
        "Message-Id": "<1473388936-2706-1-git-send-email-zhouyates@gmail.com>",
        "X-Mailer": "git-send-email 1.7.1",
        "Subject": "[dpdk-dev] [PATCH] kni: unregister an unregisterd net_device could\n\tcause a kernel crash",
        "X-BeenThere": "dev@dpdk.org",
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        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
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        "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": "Signed-off-by: zhouyangchao <zhouyates@gmail.com>\n---\n lib/librte_eal/linuxapp/kni/kni_misc.c |    3 +++\n 1 files changed, 3 insertions(+), 0 deletions(-)",
    "diff": "diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c\nindex 67e9b7d..17b6d7a 100644\n--- a/lib/librte_eal/linuxapp/kni/kni_misc.c\n+++ b/lib/librte_eal/linuxapp/kni/kni_misc.c\n@@ -361,6 +361,9 @@ kni_dev_remove(struct kni_dev *dev)\n \t\tigb_kni_remove(dev->pci_dev);\n \n \tif (dev->net_dev) {\n+\t\tif (dev->net_dev->state == NETREG_REGISTERED) {\n+\t\t\tunregister_netdev(dev->net_dev);\n+\t\t}\n \t\tunregister_netdev(dev->net_dev);\n \t\tfree_netdev(dev->net_dev);\n \t}\n",
    "prefixes": [
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}