From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 18 Apr 2014 21:04:22 +0000 (-0300)
Subject: drm/i915: Validate VBT header before trusting it
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~56^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dd4e846042063bf5481df87a00356ee820288de;p=pandora-kernel.git

drm/i915: Validate VBT header before trusting it

Be we read and chase pointers from the VBT, it is prudent to make sure
that those accesses are wholly contained within the MMIO region, or else
we may cause a kernel panic during boot.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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