From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: vhost_dev_cleanup() crash: BUG: unable to handle kernel NULL
 pointer dereference
Date: Wed, 01 Sep 2010 14:25:28 -0700 (PDT)
Message-ID: <20100901.142528.180418526.davem@davemloft.net>
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Cc: mingo@elte.hu, netdev@vger.kernel.org,
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 31 Aug 2010 14:05:57 +0200

> [PATCH v2] vhost: stop worker only if created
> 
> Its currently illegal to call kthread_stop(NULL)
> 
> Reported-by: Ingo Molnar <mingo@elte.hu>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

I'll apply this thanks Eric.