linux-kernel - Re: [091/129] block: fail SCSI passthrough ioctls on partition devices

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Date:	Tue, 24 Jan 2012 15:48:30 +0100
From:	Sven Joachim <svenjoac@....de>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, linux-scsi@...r.kernel.org,
	Jens Axboe <axboe@...nel.dk>,
	James Bottomley <JBottomley@...allels.com>
Subject: Re: [091/129] block: fail SCSI passthrough ioctls on partition devices

On 2012-01-24 14:01 +0100, Paolo Bonzini wrote:

> You need to return -ENOTTY from scsi_verify_blk_ioctl and -ENOIOCTLCMD from
> sd_compat_ioctl, because -ENOIOCTLCMD will not be handled correctly by
> block/ioctl.c.  This would break BLKROSET and BLKFLSBUF done by non-root
> but with the appropriate capabilities.
>
> Fixed patch follows.  If you prefer that I send an interdiff, let me know.

An interdiff might not be necessary, but please ensure that the patch
does not get mangled by turning all tabs into spaces, like in this
case. :-/

Cheers,
       Sven
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