linux-kernel - Re: [PATCH] LinuxPPS (with new syscalls API)

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Message-ID: <20070627174537.GM13886@enneenne.com>
Date:	Wed, 27 Jun 2007 19:45:40 +0200
From:	Rodolfo Giometti <giometti@...eenne.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] LinuxPPS (with new syscalls API)

On Wed, Jun 27, 2007 at 05:11:00PM +0100, David Woodhouse wrote:

> No, because you're passing a _kernel_ pointer to sys_time_pps_fetch()
> where it expects a userspace pointer. Use compat_alloc_user_space() to
> find somewhere to put it in user space, instead. Or change your internal
> __sys_time_pps_fetch() function to take a number of ticks instead of a
> pointer to a timespec, then call that directly with appropriate
> arguments, from both the normal and compat syscall routines.

Ok. Please see the attached patch.

Thanks a lot,

Rodolfo

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