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From: Arnd Bergmann <arnd@arndb.de>
To: David Miller <davem@davemloft.net>
Cc: arndbergmann@googlemail.com, airlied@linux.ie,
	dri-devel@lists.sourceforge.net, andi@firstfloor.org,
	linux-kernel@vger.kernel.org, schwidefsky@de.ibm.com,
	heiko.carstens@de.ibm.com
Subject: Re: is avoiding compat ioctls possible?
Date: Thu, 29 Oct 2009 09:16:50 +0100	[thread overview]
Message-ID: <200910290916.50367.arnd@arndb.de> (raw)
In-Reply-To: <20091028.224157.92041844.davem@davemloft.net>

On Thursday 29 October 2009, David Miller wrote:
> Arnd, even compat_sys_ioctl() itself has constructs like:
> 
>         case FS_IOC_RESVSP:
>         case FS_IOC_RESVSP64:
>                 error = ioctl_preallocate(filp, (void __user *)arg);
>                 goto out_fput;

Right. This one is pretty recent and I did not notice it doing this
unfortunately. There are a few others added to fs/compat_ioctl.c
over the years also doing it.

	Arnd <><

  reply	other threads:[~2009-10-29  8:17 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-28  1:22 is avoiding compat ioctls possible? Dave Airlie
2009-10-28  2:25 ` David Miller
2009-10-28  3:01   ` Dave Airlie
2009-10-28  2:53 ` Andi Kleen
2009-10-28  3:05   ` Dave Airlie
2009-10-28  3:19     ` Andi Kleen
2009-10-28  3:28       ` Dave Airlie
2009-10-28  3:34         ` Andi Kleen
2009-10-28  3:43           ` David Miller
2009-10-28  3:41         ` David Miller
2009-10-28 21:05       ` Maciej W. Rozycki
2009-10-29  8:27         ` Arnd Bergmann
2009-10-28  3:38     ` David Miller
2009-10-28  3:43       ` Dave Airlie
2009-10-28  3:45         ` David Miller
2009-10-28  3:51           ` Andi Kleen
2009-10-28  3:54           ` Dave Airlie
2009-10-28  5:28             ` David Miller
2009-10-28  5:42               ` Dave Airlie
2009-10-28  6:04                 ` David Miller
2009-10-28  7:53                   ` David Miller
2009-10-28  7:59                     ` Andi Kleen
2009-10-28  8:11                       ` David Miller
2009-10-28  8:19                         ` Andi Kleen
2009-10-28  8:28                           ` David Miller
2009-10-28 12:13                     ` Arnd Bergmann
2009-10-28 12:16                       ` David Miller
2009-10-28 15:40                         ` Arnd Bergmann
2009-10-29  5:41                           ` David Miller
2009-10-29  8:16                             ` Arnd Bergmann [this message]
2009-10-29  8:34                             ` Heiko Carstens
2009-10-29  8:39                               ` David Miller
2009-10-28 12:17                       ` David Miller
2009-10-30  1:13                     ` Dave Airlie
2009-10-30 10:13                       ` Arnd Bergmann
2009-11-18  0:26                         ` Dave Airlie
2009-11-18  9:09                           ` Andi Kleen
2009-11-18 14:42                             ` Arnd Bergmann
2009-10-28  3:37   ` David Miller
2009-10-28  4:36     ` Andi Kleen
2009-10-28  5:29       ` David Miller
2009-10-28 10:27       ` Arnd Bergmann

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