Commit fc74881c authored by Christian König's avatar Christian König Committed by Christian König
Browse files

drm/amdgpu: fix dropped backing store handling in amdgpu_dma_buf_move_notify 



bo->tbo.resource can now be NULL.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1811


Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211210083927.1754-1-christian.koenig@amd.com
parent fea3fdf9

drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c

+1 −1
Original line number Diff line number Diff line
@@ -384,7 +384,7 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach) 
	struct amdgpu_vm_bo_base *bo_base;

	int r;



	if (bo->tbo.resource->mem_type == TTM_PL_SYSTEM)

	if (!bo->tbo.resource || bo->tbo.resource->mem_type == TTM_PL_SYSTEM)

		return;



	r = ttm_bo_validate(&bo->tbo, &placement, &ctx);