From ea3f5d261fb0b757f95c1657f71ac86eb1778fd1 Mon Sep 17 00:00:00 2001
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Fri, 22 May 2015 20:04:58 +0300
Subject: [PATCH] drm/i915/gtt: Don't leak scratch page on mapping error

Free the scratch page if dma mapping fails.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed