[PATCH] drm/amdkfd: Fix an inappropriate error handling in allloc memory of gpu

[Das, Nirmoy]

LGTM as we create a gem object 1st and retrieve amdgpu_bo from the gem 
object.


Acked-by: Nirmoy Das <nirmoy.das at amd.com>

On 10/13/2021 9:28 AM, Lang Yu wrote:
> We should unreference a gem object instead of an amdgpu bo here.
>
> Fixes: 5ae0283e831a ("drm/amdgpu: Add userptr support for KFD")
>
> Signed-off-by: Lang Yu <lang.yu at amd.com>
> ---
>   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: