[PATCH] gpu: ttm: add __releases function

From: Jules Irenge
Date: Tue Nov 26 2019 - 05:13:33 EST


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.octave@xxxxxxxxx>
---
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