From: David Miller <davem@davemloft.net>
To: jasowang@redhat.com
Cc: mst@redhat.com, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
stephen@networkplumber.org
Subject: Re: [PATCH net] vhost: correctly check the return value of translate_desc() in log_used()
Date: Fri, 15 Feb 2019 10:03:56 -0800 (PST) [thread overview]
Message-ID: <20190215.100356.251698752340585300.davem@davemloft.net> (raw)
In-Reply-To: <20190215075324.18891-1-jasowang@redhat.com>
From: Jason Wang <jasowang@redhat.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@networkplumber.org>
> Fixes: cc5e71075947 ("vhost: log dirty page correctly")
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Jason, please put the Fixes tag first.
Thank you.
next prev parent reply other threads:[~2019-02-15 18:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-15 7:53 [PATCH net] vhost: correctly check the return value of translate_desc() in log_used() Jason Wang
2019-02-15 16:45 ` Stephen Hemminger
2019-02-19 6:51 ` Jason Wang
2019-02-15 18:03 ` David Miller [this message]
2019-02-19 6:50 ` Jason Wang
2019-02-15 21:59 ` Michael S. Tsirkin
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