linux-kernel - Re: New format Intel microcode...

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Date:	Mon, 26 Mar 2007 01:52:48 -0700
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Marcel Holtmann <marcel@...tmann.org>
CC:	Shaohua Li <shaohua.li@...el.com>,
	Daniel J Blueman <daniel.blueman@...il.com>,
	jamagallon@....com, tigran@...azian.fsnet.co.uk,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: New format Intel microcode...

Marcel Holtmann wrote:
> that is the whole point. The slash was never meant to be used. It was
> designed to take a filename or a pattern that will be later matched by
> userspace. However some developers are now trying to abuse this since
> the simple firmware helper script matches this directly to a filename
> (and directory in this case) on the disk.
> 
> Putting a slash in the request_firmware() call now enforces a
> subdirectory 

I don't see how this follows from the former. Userspace is free to 
translate the kernel string into anything it wants, even a simple 
replacement of / with _. So I don't see how this "enforces" a 
subdirectory. Firmware gets a namespace basically, and a / is a 
logical namespace separator.
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