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Date:   Fri, 15 Feb 2019 10:03:56 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     jasowang@...hat.com
Cc:     mst@...hat.com, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stephen@...workplumber.org
Subject: Re: [PATCH net] vhost: correctly check the return value of
 translate_desc() in log_used()

From: Jason Wang <jasowang@...hat.com>
Date: Fri, 15 Feb 2019 15:53:24 +0800

> 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 <stephen@...workplumber.org>
> Fixes: cc5e71075947 ("vhost: log dirty page correctly")
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Jason, please put the Fixes tag first.

Thank you.

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