diff --git a/[refs] b/[refs]
index aedae631f540..51de5b2d4f1f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ddd8e9594a2fc2b5bff40308483ec16a88e295ff
+refs/heads/master: a0e41b562b3e302b47f887056d89189b816ce219
diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/trunk/drivers/gpu/drm/exynos/exynos_drm_iommu.c
index 09db1983eb1a..2482b7f96341 100644
--- a/trunk/drivers/gpu/drm/exynos/exynos_drm_iommu.c
+++ b/trunk/drivers/gpu/drm/exynos/exynos_drm_iommu.c
@@ -56,8 +56,8 @@ int drm_create_iommu_mapping(struct drm_device *drm_dev)
 	mapping = arm_iommu_create_mapping(&platform_bus_type, priv->da_start,
 						priv->da_space_size,
 						priv->da_space_order);
-	if (!mapping)
-		return -ENOMEM;
+	if (IS_ERR(mapping))
+		return PTR_ERR(mapping);
 
 	dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
 					GFP_KERNEL);