From: Stephen Hemminger <stephen@networkplumber.org>
To: zhouyangchao <zhouyates@gmail.com>
Cc: ferruh.yigit@intel.com, dev@dpdk.org
Subject: Re: [PATCH] kni: unregister an unregisterd net_device could cause a kernel crash
Date: Thu, 8 Sep 2016 09:44:42 -0700 [thread overview]
Message-ID: <20160908094442.4dfa5b01@xeon-e3> (raw)
In-Reply-To: <1473389167-2758-1-git-send-email-zhouyates@gmail.com>
On Fri, 9 Sep 2016 10:46:07 +0800
zhouyangchao <zhouyates@gmail.com> wrote:
> Signed-off-by: zhouyangchao <zhouyates@gmail.com>
> ---
> lib/librte_eal/linuxapp/kni/kni_misc.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c
> index 67e9b7d..ad4e603 100644
> --- a/lib/librte_eal/linuxapp/kni/kni_misc.c
> +++ b/lib/librte_eal/linuxapp/kni/kni_misc.c
> @@ -361,7 +361,9 @@ kni_dev_remove(struct kni_dev *dev)
> igb_kni_remove(dev->pci_dev);
>
> if (dev->net_dev) {
> - unregister_netdev(dev->net_dev);
> + if (dev->netdev->reg_state == NETREG_REGISTERED){
----------------------------------------------------------------^
Incorrect whitespace. But then again the whole KNI driver fails completely when
running kernel style check.
next prev parent reply other threads:[~2016-09-08 16:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-09 2:46 [PATCH] kni: unregister an unregisterd net_device could cause a kernel crash zhouyangchao
2016-09-08 16:44 ` Stephen Hemminger [this message]
2016-09-08 17:15 ` Ferruh Yigit
2016-09-09 12:40 ` Thomas Monjalon
2016-09-09 14:33 ` Mcnamara, John
2016-09-10 7:57 ` Thomas Monjalon
2016-09-08 17:07 ` Ferruh Yigit
2016-09-11 9:59 ` zhouyangchao
2016-09-13 13:13 ` Ferruh Yigit
2016-09-21 16:41 ` Thomas Monjalon
-- strict thread matches above, loose matches on Subject: below --
2016-09-09 2:42 zhouyangchao
2016-09-08 16:47 ` Stephen Hemminger
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