Re: [PATCH 1/9] drm: Warn about negative sizes when calculating scale factor

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On Tue, Jul 26, 2016 at 07:06:56PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> Passing negative width/hight to scale factor calculations is not
> legal. Let's WARN if that happens.

Does this get called with user controllable inputs? A quick grep leads
me to drm_primary_helper_update() which suggests no. Did I miss a
potential user controllable WARN->panic?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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