netdev - Re: [PATCH 01/11] openvswitch: Allow each vport to have an array of 'port

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Message-Id: <20140714.151337.573086784322485064.davem@davemloft.net>
Date:	Mon, 14 Jul 2014 15:13:37 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	pshelar@...ira.com
Cc:	netdev@...r.kernel.org, alexw@...ira.com
Subject: Re: [PATCH 01/11] openvswitch: Allow each vport to have an array
 of 'port_id's.

From: Pravin B Shelar <pshelar@...ira.com>
Date: Sun, 13 Jul 2014 17:12:54 -0700

>  void ovs_vport_free(struct vport *vport)
>  {
> +	kfree((struct vport_portids __force *)vport->upcall_portids);

This cast is ugly and never correct for this situation, you need to
use rcu_dereference().
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