[PATCH 1/4] drm/exynos: remove unnecessary NULL assignment

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They will be freed right or was freed already, so NULL assignment is
unnecessary.

Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_gem.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index f12fbc3..8dce40d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -117,8 +117,6 @@ static void exynos_drm_free_buf(struct exynos_drm_gem_obj *obj)
 	} else
 		dma_free_attrs(dev->dev, obj->size, obj->pages,
 				(dma_addr_t)obj->dma_addr, &obj->dma_attrs);
-
-	obj->dma_addr = (dma_addr_t)NULL;
 }
 
 static int exynos_drm_gem_handle_create(struct drm_gem_object *obj,
@@ -167,7 +165,6 @@ out:
 	drm_gem_object_release(obj);
 
 	kfree(exynos_gem_obj);
-	exynos_gem_obj = NULL;
 }
 
 unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
-- 
1.9.1

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