[PATCH] drm/ttm/ttm_bo: make ttm_bo_glob_use_count static

[Jiapeng Chong]

Fix the following sparse warning:

drivers/gpu/drm/ttm/ttm_bo.c:53:10: warning: symbol
'ttm_bo_glob_use_count' was not declared. Should it be static?

Reported-by: Abaci Robot <abaci at linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b65f4b1..107dd13 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -50,7 +50,7 @@
  * ttm_global_mutex - protecting the global BO state
  */
 DEFINE_MUTEX(ttm_global_mutex);
-unsigned ttm_bo_glob_use_count;
+static unsigned ttm_bo_glob_use_count;
 struct ttm_bo_global ttm_bo_glob;
 EXPORT_SYMBOL(ttm_bo_glob);
 
-- 
1.8.3.1