[PATCH 08/14] drm/exynos: create a fake mmap offset with gem creation

[Joonyoung Shim]

Don't create a fake mmap offset in exynos_drm_gem_dumb_map_offset. If
not, it will call drm_gem_create_mmap_offset whenever user requests
DRM_IOCTL_MODE_MAP_DUMB ioctl.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_gem.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c 
b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 550d267..c76aa8a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -151,6 +151,13 @@ struct exynos_drm_gem_obj *exynos_drm_gem_init(struct 
drm_device *dev,
                return ERR_PTR(ret);
        }

+       ret = drm_gem_create_mmap_offset(obj);
+       if (ret < 0) {
+               drm_gem_object_release(obj);
+               kfree(exynos_gem_obj);
+               return ERR_PTR(ret);
+       }
+
        DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);

        return exynos_gem_obj;
@@ -521,14 +528,9 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file 
*file_priv,
                goto unlock;
        }

-       ret = drm_gem_create_mmap_offset(obj);
-       if (ret)
-               goto out;
-
        *offset = drm_vma_node_offset_addr(&obj->vma_node);
        DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset);

-out:
        drm_gem_object_unreference(obj);
 unlock:
        mutex_unlock(&dev->struct_mutex);
-- 
1.9.1