From: Andrew Morton <akpm@digeo.com>
To: Ben Collins <bcollins@debian.org>
Cc: torvalds@transmeta.com, pavel@ucw.cz, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Fix NULL handler for compat_ioctl
Date: Wed, 30 Apr 2003 20:40:46 -0700 [thread overview]
Message-ID: <20030430204046.13fffc7d.akpm@digeo.com> (raw)
In-Reply-To: <20030501025955.GA622@phunnypharm.org>
Ben Collins <bcollins@debian.org> wrote:
>
> > - sys_ioctl takes three args, but this vector is going to be called with
> > four. That's making assumptions about arg passing conventions which may
> > not be true.
> >
> > - sys_ioctl() is asmlinkage, but the caller of this vector doesn't know
> > that. Arguments may get put in the wrong place.
>
> Out of all the register_ioctl32_conversion functions that were
> consolidated with this patch, only s390 and x86_64 did not already use
> this same convention. linux/ioctl32.h already documents (and has always
> been that way) this feature.
Yup. I'm not surprised that it works. But ick.
> Maybe you feel better about this patch instead?
Infinitely ;)
prev parent reply other threads:[~2003-05-01 3:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-01 1:34 Ben Collins
2003-05-01 2:41 ` Andrew Morton
2003-05-01 2:59 ` Ben Collins
2003-05-01 3:40 ` Andrew Morton [this message]
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