From: Haggai Eran <haggaie@xxxxxxxxxxxx>
Date: Mon, 20 Apr 2015 11:16:34 +0300
> On 17/04/2015 22:21, David Miller wrote:
>> From: Erez Shitrit <erezsh@xxxxxxxxxxxx>
>> 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@xxxxxxxxxx>
>>> Signed-off-by: Erez Shitrit <erezsh@xxxxxxxxxxxx>
>>> Signed-off-by: Honggang Li <honli@xxxxxxxxxx>
>>
>> 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.
I put this into 'net', not 'net-next'. 'net-next' is dormant after I do
my first push to Linus of the merge window. After that everything goes
via 'net' until the merge window closes and I open 'net-next' up again.
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