From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Fri, 26 Sep 2014 14:05:22 +0000 (+0100)
Subject: drm/i915: Do not leak pages when freeing userptr objects
X-Git-Tag: omap-for-v3.19/prcm-cleanup~70^2~4^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c479f4383ea8940dd6f88da61798ad31feb33e51;p=pandora-kernel.git

drm/i915: Do not leak pages when freeing userptr objects

sg_alloc_table_from_pages() can build us a table with coalesced ranges which
means we need to iterate over pages and not sg table entries when releasing
page references.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Barbalho, Rafael" <rafael.barbalho@intel.com>
Tested-by: Rafael Barbalho <rafael.barbalho@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
[danvet: Remove unused local variable sg.]
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---

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