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Date:   Mon, 1 Mar 2021 14:13:19 +0100
From:   Heiko Carstens <hca@linux.ibm.com>
To:     Wang Qing <wangqing@vivo.com>
Cc:     Cornelia Huck <cohuck@redhat.com>,
        Eric Farman <farman@linux.ibm.com>,
        Halil Pasic <pasic@linux.ibm.com>,
        Vineeth Vijayan <vneethv@linux.ibm.com>,
        Peter Oberparleiter <oberpar@linux.ibm.com>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        linux-s390@vger.kernel.org, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] s390: cio: Return -EFAULT if copy_to_user() fails
Message-ID: <YDzob/k70ix1g0s+@osiris>
References: <1614600093-13992-1-git-send-email-wangqing@vivo.com>
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On Mon, Mar 01, 2021 at 08:01:33PM +0800, Wang Qing wrote:
> The copy_to_user() function returns the number of bytes remaining to be
> copied, but we want to return -EFAULT if the copy doesn't complete.
> 
> Signed-off-by: Wang Qing <wangqing@vivo.com>
> ---
>  drivers/s390/cio/vfio_ccw_ops.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks!