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Date: Sat, 19 May 2018 11:07:08 +0100
From: Russell King - ARM Linux <>
To: Kees Cook <>
Cc: Daniel Vetter <>,
	Laura Abbott <>, David Airlie <>,
	Maling list - DRI developers <>,
	LKML <>,
	Kernel Hardening <>
Subject: Re: [PATCHv2] drm/i2c: tda998x: Remove VLA usage

On Fri, May 18, 2018 at 11:01:55AM -0700, Kees Cook wrote:
> On Tue, Apr 10, 2018 at 6:03 PM, Laura Abbott <> wrote:
> > There's an ongoing effort to remove VLAs[1] from the kernel to eventually
> > turn on -Wvla. The vla in reg_write_range is based on the length of data
> > passed. The one use of a non-constant size for this range is bounded by
> > the size buffer passed to hdmi_infoframe_pack which is a fixed size.
> > Switch to this upper bound.
> >
> > [1]
> >
> > Signed-off-by: Laura Abbott <>
> Reviewed-by: Kees Cook <>
> Same question for this patch: who's best to take this?

I had decided that I'm not taking any tda998x stuff until we get the
CEC support merged upstream, as that has been hanging around for ages.
Progress has been slow on that, but it finally got to the point where
everyone was happy with it, and I sent a pull request to David Airlie
on April 24th for it.

Unfortunately, that pull request has not been actioned to date.  I've
sent a chaser, and last night, I checked with David Airlie on IRC.
It seems David is not aware of my pull request.  David says he'll look
into this on Monday.

Until David does take it, I can't add anything further to my git tree
for tda998x development, as that would change what was sent to David
back in April.

The alternative would be for drm-misc to take it - I don't think it
will conflict with anything I've already asked David to take, so that
should be a safe route for _this_ patch.

RMK's Patch system:
FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
According to 8.21Mbps down 510kbps up

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