netdev - Re: [PATCH V1 net-next] IB/ipoib: Fix ndo_get

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Date:	Mon, 20 Apr 2015 12:21:57 +0300
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Haggai Eran <haggaie@...lanox.com>
Cc:	Doug Ledford <dledford@...hat.com>,
	Roland Dreier <roland@...nel.org>,
	David Miller <davem@...emloft.net>,
	Erez Shitrit <erezsh@...lanox.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	Honggang Li <honli@...hat.com>
Subject: Re: [PATCH V1 net-next] IB/ipoib: Fix ndo_get_iflink

On Mon, Apr 20, 2015 at 11:16 AM, Haggai Eran <haggaie@...lanox.com> wrote:
> On 17/04/2015 22:21, David Miller wrote:
>> From: Erez Shitrit <erezsh@...lanox.com>
>> Date: Thu, 16 Apr 2015 16:34:34 +0300
>>
>>> Currently, iflink of the parent interface was always accessed, even
>>> when interface didn't have a parent and hence we crashed there.
>>>
>>> Handle the interface types properly: for a child interface, return
>>> the ifindex of the parent, for parent interface, return its ifindex.
>>>
>>> For child devices, make sure to set the parent pointer prior to
>>> invoking register_netdevice(), this allows the new ndo to be called
>>> by the stack immediately after the child device is registered.
>>>
>>> Fixes: 5aa7add8f14b ('infiniband/ipoib: implement ndo_get_iflink')
>>> Reported-by: Honggang Li <honli@...hat.com>
>>> Signed-off-by: Erez Shitrit <erezsh@...lanox.com>
>>> Signed-off-by: Honggang Li <honli@...hat.com>
>>
>> Applied, thanks.
>
> Doug, Roland,
> You might want to include this patch in your for-next / for-4.1 trees,
> or merge net-next again. Currently they contain the issue it fixes, and
> it can prevent some systems with IPoIB from booting.

Haggai,


It's upstream by now, pull Linus tree.

Or.
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