linux-kernel - Re: [PATCH]: Fix old SCSI adapter crashes with CD-ROM

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Date:	Tue, 8 May 2007 17:11:05 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	torvalds@...l.org
Subject: Re: [PATCH]: Fix old SCSI adapter crashes with CD-ROM

On Tue, 8 May 2007 17:03:35 +0100
Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> The CD-ROM layer doesn't bounce requests for old ISA controllers (and
> nor should it). However they get injected into the SCSI layer via
> sr_ioctl which also doesn't bounce them and SCSI then passes the buffer
> along to a device with unchecked_isa_dma set which either panics or
> truncates the buffer to 24bits.

Umm duh there's a memory leak in an error case there still. Please
discard and I'll post a new one shortly
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