netdev - Re: [PATCH net] netvsc: handle select_queue when device is being removed

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Message-Id: <20170312.231407.361708590104485445.davem@davemloft.net>
Date:   Sun, 12 Mar 2017 23:14:07 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     stephen@...workplumber.org
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, netdev@...r.kernel.org,
        sthemmin@...rosoft.com
Subject: Re: [PATCH net] netvsc: handle select_queue when device is being
 removed

From: Stephen Hemminger <stephen@...workplumber.org>
Date: Thu,  9 Mar 2017 14:58:29 -0800

> Move the send indirection table from the inner device (netvsc)
> to the network device context.
> 
> It is possible that netvsc_device is not present (remove in progress).
> This solves potential use after free issues when packet is being
> created during MTU change, shutdown, or queue count changes.
> 
> Fixes: d8e18ee0fa96 ("netvsc: enhance transmit select_queue")
> Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>
> ---
> Needed only for 4.11 and net-next.

Applied.