[PATCH 07/14] drm/exynos: use ERR_PTR instead of NULL in exynos_drm_gem_init

[Joonyoung Shim]

For more correct error information.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_gem.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c 
b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 8fffc4d..550d267 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -139,7 +139,7 @@ struct exynos_drm_gem_obj *exynos_drm_gem_init(struct 
drm_device *dev,

        exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL);
        if (!exynos_gem_obj)
-               return NULL;
+               return ERR_PTR(-ENOMEM);

        exynos_gem_obj->size = size;
        obj = &exynos_gem_obj->base;
@@ -148,7 +148,7 @@ struct exynos_drm_gem_obj *exynos_drm_gem_init(struct 
drm_device *dev,
        if (ret < 0) {
                DRM_ERROR("failed to initialize gem object\n");
                kfree(exynos_gem_obj);
-               return NULL;
+               return ERR_PTR(ret);
        }

        DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);
@@ -180,8 +180,8 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct 
drm_device *dev,
                return ERR_PTR(-ENOMEM);

        exynos_gem_obj = exynos_drm_gem_init(dev, size);
-       if (!exynos_gem_obj) {
-               ret = -ENOMEM;
+       if (IS_ERR(exynos_gem_obj)) {
+               ret = PTR_ERR(exynos_gem_obj);
                goto err_fini_buf;
        }

-- 
1.9.1