From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] problems with ppp/pppd: put_user/copy_to_user
Date: Wed, 23 May 2001 20:15:00 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590693005660@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590693005655@msgid-missing>
>>>>> 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
next prev parent reply other threads:[~2001-05-23 20:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-23 18:56 [Linux-ia64] problems with ppp/pppd: put_user/copy_to_user Bill Nottingham
2001-05-23 20:06 ` Luck, Tony
2001-05-23 20:07 ` Bill Nottingham
2001-05-23 20:15 ` David Mosberger [this message]
2001-05-23 20:18 ` Bill Nottingham
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