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Message-ID: <20190507092304.GA12570@linux.home>
Date:   Tue, 7 May 2019 11:23:05 +0200
From:   Guillaume Nault <gnault@...hat.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     davem@...emloft.net, g.nault@...halink.fr, jian.w.wen@...cle.com,
        edumazet@...gle.com, kafai@...com, xiyou.wangcong@...il.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] l2tp: Fix possible NULL pointer dereference

On Mon, May 06, 2019 at 10:44:04PM +0800, YueHaibing wrote:
> If alloc_workqueue fails in l2tp_init, l2tp_net_ops
> is unregistered on failure path. Then l2tp_exit_net
> is called which will flush NULL workqueue, this patch
> add a NULL check to fix it.
> 
Thanks!

Acked-by: Guillaume Nault <gnault@...hat.com>

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