From 193cc8b26c627077b0e39c9aa9189528173470c2 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun, 20 Mar 2011 21:09:12 +0000
Subject: [PATCH] --- yaml --- r: 242321 b: refs/heads/master c:
 f6e47884e7f588094bf7b824c839a9ee33f2aa55 h: refs/heads/master i:   242319:
 b3f088fb2388618e5ffbb9730033ebdec8164c82 v: v3

---
 [refs]                                | 2 +-
 trunk/drivers/gpu/drm/i915/i915_gem.c | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index cdf943ab5beb..d88be650a4fa 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26e12f894317bf0221fed40bef6f937538a78c0b
+refs/heads/master: f6e47884e7f588094bf7b824c839a9ee33f2aa55
diff --git a/trunk/drivers/gpu/drm/i915/i915_gem.c b/trunk/drivers/gpu/drm/i915/i915_gem.c
index c9bdaf208a91..7ce3f353af33 100644
--- a/trunk/drivers/gpu/drm/i915/i915_gem.c
+++ b/trunk/drivers/gpu/drm/i915/i915_gem.c
@@ -1356,9 +1356,10 @@ i915_gem_release_mmap(struct drm_i915_gem_object *obj)
 	if (!obj->fault_mappable)
 		return;
 
-	unmap_mapping_range(obj->base.dev->dev_mapping,
-			    (loff_t)obj->base.map_list.hash.key<<PAGE_SHIFT,
-			    obj->base.size, 1);
+	if (obj->base.dev->dev_mapping)
+		unmap_mapping_range(obj->base.dev->dev_mapping,
+				    (loff_t)obj->base.map_list.hash.key<<PAGE_SHIFT,
+				    obj->base.size, 1);
 
 	obj->fault_mappable = false;
 }