linux-kernel - Re: [PATCHv2 04/28] cx25840: treat firmware data as const

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Date:	Sun, 25 May 2008 12:16:51 -0400
From:	Tyler Trafford <ttrafford@...il.com>
To:	Mike Isely <isely@...ox.com>
CC:	Hans Verkuil <hverkuil@...all.nl>,
	David Woodhouse <dwmw2@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	sam@...nborg.org, Alan Cox <alan@...rguk.ukuu.org.uk>,
	akpm@...ux-foundation.org
Subject: Re: [PATCHv2 04/28] cx25840: treat firmware data as const

[cx25840-firmware.c]

Looks good to me.

Acked-By: Tyler Trafford <ttrafford@...il.com>

Mike Isely wrote:

> I see that this change allocates a local buffer on the stack (sized by 
> FWSEND).  Though the buffer is small (48 bytes, see above paragraph), it 
> is controlled by a macro and thus leaves open the possibility that it 
> could be accidentally increased to a point where the stack gets 
> overflowed.  Seems like not a good idea, but either way it should not 
> affect the pvrusb2 driver.

Separate topic, but maybe the send size should be parameterized, so that 
the adapter can specify a maximum?
-- 
Tyler Trafford

A sect or party is an elegant incognito devised to save a man from
the vexation of thinking.
		-- Ralph Waldo Emerson, Journals, 1831
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