On 9/25/19 12:55 PM, Christian König wrote:
The busy BO might actually be already deleted,
so grab only a list reference.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 881cf26d698e..02f301e1ff29 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -875,11 +875,11 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
if (!bo) {
if (busy_bo)
- ttm_bo_get(busy_bo);
+ kref_get(&busy_bo->list_kref);
spin_unlock(&glob->lru_lock);
ret = ttm_mem_evict_wait_busy(busy_bo, ctx, ticket);
if (busy_bo)
- ttm_bo_put(busy_bo);
+ kref_put(&busy_bo->list_kref, ttm_bo_release_list);
return ret;
}
lgtm.
Reviewed-by: Thomas Hellström <thellstrom@xxxxxxxxxx>
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