[PATCH] drm/vmwgfx: Make vmw_bo_driver function pointer table readonly

[Ian Forbes]

Function pointer tables should always be readonly.

Fixes: 8af8a109b34f ("drm/ttm: device naming cleanup")
Signed-off-by: Ian Forbes <ian.for...@broadcom.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h        | 2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h 
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 38bea8abab84..9f95ab759dd9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -927,7 +927,7 @@ vmw_is_cursor_bypass3_enabled(const struct vmw_private 
*dev_priv)
 extern const size_t vmw_tt_size;
 extern struct ttm_placement vmw_vram_placement;
 extern struct ttm_placement vmw_sys_placement;
-extern struct ttm_device_funcs vmw_bo_driver;
+extern const struct ttm_device_funcs vmw_bo_driver;
 extern const struct vmw_sg_table *
 vmw_bo_sg_table(struct ttm_buffer_object *bo);
 int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index dfd08ee19041..659738e1ba6c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -545,7 +545,7 @@ static int vmw_move(struct ttm_buffer_object *bo,
        return ret;
 }
 
-struct ttm_device_funcs vmw_bo_driver = {
+const struct ttm_device_funcs vmw_bo_driver = {
        .ttm_tt_create = &vmw_ttm_tt_create,
        .ttm_tt_populate = &vmw_ttm_populate,
        .ttm_tt_unpopulate = &vmw_ttm_unpopulate,
-- 
2.56.0