Add releases() function to fix context imbalance.
 Issue detected by sparse tool.
warning: context imbalance in ttm_bo_cleanup_refs - unexpected unlock

Signed-off-by: Jules Irenge <jbi.oct...@gmail.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 98819462f025..c87481d667a9 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -544,7 +544,7 @@ static void ttm_bo_cleanup_refs_or_queue(struct 
ttm_buffer_object *bo)
 
 static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
                               bool interruptible, bool no_wait_gpu,
-                              bool unlock_resv)
+                              bool unlock_resv) __releases(&glob->lru_lock)
 {
        struct ttm_bo_global *glob = bo->bdev->glob;
        struct dma_resv *resv;
-- 
2.23.0

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