netdev - Re: [PATCH -net] tls: return -EFAULT if copy_to

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Message-ID: <1498213904.24295.10.camel@perches.com>
Date:   Fri, 23 Jun 2017 03:31:44 -0700
From:   Joe Perches <joe@...ches.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Dave Watson <davejwatson@...com>
Cc:     Aviad Yehezkel <aviadye@...lanox.com>,
        Ilya Lesokhin <ilyal@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH -net] tls: return -EFAULT if copy_to_user() fails

On Fri, 2017-06-23 at 13:15 +0300, Dan Carpenter wrote:
> The copy_to_user() function returns the number of bytes remaining but we
> want to return -EFAULT here.

because?