From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bill Nottingham <notting@redhat.com>
Date: Wed, 23 May 2001 20:18:44 +0000
Subject: Re: [Linux-ia64] problems with ppp/pppd: put_user/copy_to_user
Message-Id: <marc-linux-ia64-105590693005661@msgid-missing>
List-Id: <linux-ia64.vger.kernel.org>
References: <marc-linux-ia64-105590693005655@msgid-missing>
In-Reply-To: <marc-linux-ia64-105590693005655@msgid-missing>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: linux-ia64@vger.kernel.org

David Mosberger (davidm@hpl.hp.com) said: 
>   Bill> However, if we replace the calls to put_user for PPPIOCGCHAN &
>   Bill> PPPIOCGFLAGS ioctls with copy_to_user, it works
>   Bill> fine. Shouldn't this not make any difference?
> 
> It should not make a difference.  Is there an easy test case that
> reproduces the problem?

Hm, not sure if there's something simpler than having two machines talk
ppp over a serial cable. I'll poke around.

Bill