Am 2021-10-13 um 3:28 a.m. schrieb Lang Yu:
> We should unreference a gem object instead of an amdgpu bo here.
>
> Fixes: 5ae0283e831a ("drm/amdgpu: Add userptr support for KFD")
I think the Fixes tag is incorrect. At that time there was no gobj in
this function.
If anything I'd attribute the problem to fd9a9f8801de ("drm/amdgpu: Use
GEM obj reference for KFD BOs"), where I missed the error handling code
path.
Other than that, the patch is
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
>
> Signed-off-by: Lang Yu <lang.yu@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> index 054c1a224def..cdf46bd0d8d5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> @@ -1503,7 +1503,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
> remove_kgd_mem_from_kfd_bo_list(*mem, avm->process_info);
> drm_vma_node_revoke(&gobj->vma_node, drm_priv);
> err_node_allow:
> - amdgpu_bo_unref(&bo);
> + drm_gem_object_put(gobj);
> /* Don't unreserve system mem limit twice */
> goto err_reserve_limit;
> err_bo_create:
