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-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_iommu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c
index 09db1983eb1a..2482b7f96341 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c
+++ b/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);