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Date:   Tue, 19 Feb 2019 14:51:26 +0800
From:   Jason Wang <>
To:     Stephen Hemminger <>
Subject: Re: [PATCH net] vhost: correctly check the return value of
 translate_desc() in log_used()

On 2019/2/16 上午12:45, Stephen Hemminger wrote:
> On Fri, 15 Feb 2019 15:53:24 +0800
> Jason Wang <> wrote:
>> When fail, translate_desc() returns negative value, otherwise the
>> number of iovs. So we should fail when the return value is negative
>> instead of a blindly check against zero.
>> Reported-by: Stephen Hemminger <>
>> Fixes: cc5e71075947 ("vhost: log dirty page correctly")
>> Signed-off-by: Jason Wang <>
> Looks good. It is best to put the Addresses-Coverity-Id tag on these kind
> of bug fixes so that the automated tools see it.

Ok. Will do this in V2.


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