linux-kernel - Re: vhost_dev_cleanup() crash: BUG: unable to handle kernel NULL pointer dereference

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Message-Id: <20100901.182741.73368486.davem@davemloft.net>
Date:	Wed, 01 Sep 2010 18:27:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mst@...hat.com
Cc:	eric.dumazet@...il.com, mingo@...e.hu, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, tj@...nel.org
Subject: Re: vhost_dev_cleanup() crash: BUG: unable to handle kernel NULL
 pointer dereference

From: "Michael S. Tsirkin" <mst@...hat.com>
Date: Thu, 2 Sep 2010 00:42:21 +0300

> On Wed, Sep 01, 2010 at 02:25:28PM -0700, David Miller wrote:
>> From: Eric Dumazet <eric.dumazet@...il.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@...e.hu>
>> > Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
>> 
>> I'll apply this thanks Eric.
> 
> Yes, it looks good thanks!
> Acked-by: Michael S. Tsirkin <mst@...hat.com>
> 
> Or you can wait for my pull request (will have a couple other regression
> fixes).

I'll keep it in my tree and whether it's in your's or not git merge
will work it out.
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