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

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Date:	Fri, 17 Apr 2015 15:21:33 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	erezsh@...lanox.com
Cc:	netdev@...r.kernel.org, nicolas.dichtel@...nd.com,
	linux-rdma@...r.kernel.org, honli@...hat.com
Subject: Re: [PATCH V1 net-next] IB/ipoib: Fix ndo_get_iflink

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.
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