[PATCH] drm/ttm: fix access to uninitialized variable.

Christian König ckoenig.leichtzumerken at gmail.com
Mon Jun 7 17:11:52 UTC 2021


The resource is not allocated yet, so no chance that this will work.

Use the placement instead.

Signed-off-by: Christian König <christian.koenig at amd.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 7e7284da5630..0c74f4cb2a3b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -736,7 +736,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
 	struct ww_acquire_ctx *ticket;
 	int ret;
 
-	man = ttm_manager_type(bdev, (*mem)->mem_type);
+	man = ttm_manager_type(bdev, place->mem_type);
 	ticket = dma_resv_locking_ctx(bo->base.resv);
 	do {
 		ret = ttm_resource_alloc(bo, place, mem);
-- 
2.25.1



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