Re: [PATCH net] tun: fix recovery from gup errors

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Mon, 24 Jun 2013 11:22:52 +0800

> On 06/23/2013 10:19 PM, Michael S. Tsirkin wrote:
>> get user pages might fail partially in tun zero copy
>> mode. To recover we need to put all pages that we got,
>> but code used a wrong index resulting in double-free
>> errors.
>>
>> Reported-by: Brad Hubbard <bhubbard@xxxxxxxxxx>
>> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
>> ---
>>
>> I haven't figured out why do we get failures,
>> but recovery is clearly wrong.
>>
>> This is also -stable material.
> 
> Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Applied with the missing empty line added, I was tired of waiting for
Michael to take care of this himself.
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