From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Mosberger <davidm@hpl.hp.com>
Date: Wed, 23 May 2001 20:15:00 +0000
Subject: Re: [Linux-ia64] problems with ppp/pppd: put_user/copy_to_user
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To: linux-ia64@vger.kernel.org

>>>>> On Wed, 23 May 2001 14:56:43 -0400, Bill Nottingham <notting@redhat.com> said:

  Bill> We've got a report of ppp not working; what happens is that it
  Bill> puts in the log: Couldn't get channel number: bad address

  Bill> when it sends the PPPIOCGCHAN ioctl.

  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?

	--daivd