From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH stable 3/4] block: fail SCSI passthrough ioctls on partition
 devices
Date: Tue, 17 Jan 2012 10:55:48 +0100
Message-ID: <4F1545A4.3000809@redhat.com>
References: <1326772723.2819.167.camel@deadeye> <1326773222.2819.172.camel@deadeye>
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To: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>, linux-kernel@vger.kernel.org, Petr Matousek <pmatouse@redhat.com>, linux-scsi@vger.kernel.org, Jens Axboe <axboe@kernel.dk>, James Bottomley <JBottomley@parallels.com>
List-Id: linux-scsi@vger.kernel.org

On 01/17/2012 05:07 AM, Ben Hutchings wrote:
> Signed-off-by: Linus Torvalds<torvalds@linux-foundation.org>
> [bwh: Backport to 2.6.32 - ENOIOCTLCMD does not get converted to
>   ENOTTY, so we must return ENOTTY directly]
> Signed-off-by: Ben Hutchings<ben@decadent.org.uk>

Have you tested 32-on-64?  I already did this change in the version for 
3.2 stable, but sd_compat_ioctl has to keep ENOIOCTLCMD:

> [ Cherry picked from 3ed4e7ba4be8c72051d87dcb2dec279d97a18d41
>
>   Changes with respect to 3.3: return -ENOTTY from scsi_verify_blk_ioctl
>   and -ENOIOCTLCMD from sd_compat_ioctl. ]

Paolo