linux-kernel - Re: [PATCH] drm/amdgpu/mes: Fix an error handling path in amdgpu_mes_self

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Date:   Tue, 5 Jul 2022 11:07:49 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Jianglei Nie <niejianglei2021@....com>
Cc:     "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Jack Xiao <Jack.Xiao@....com>,
        Hawking Zhang <Hawking.Zhang@....com>,
        "Joshi, Mukul" <mukul.joshi@....com>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amdgpu/mes: Fix an error handling path in amdgpu_mes_self_test()

Applied.  Thanks!

On Tue, Jul 5, 2022 at 9:46 AM Jianglei Nie <niejianglei2021@....com> wrote:
>
> if amdgpu_mes_ctx_alloc_meta_data() fails, we should call amdgpu_vm_fini()
> to handle amdgpu_vm_init().
>
> Add a new lable before amdgpu_vm_init() and goto this lable when
> amdgpu_mes_ctx_alloc_meta_data() fails.
>
> Signed-off-by: Jianglei Nie <niejianglei2021@....com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
> index 69a70a0aaed9..7c196b8ac49f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
> @@ -1157,7 +1157,7 @@ int amdgpu_mes_self_test(struct amdgpu_device *adev)
>         r = amdgpu_mes_ctx_alloc_meta_data(adev, &ctx_data);
>         if (r) {
>                 DRM_ERROR("failed to alloc ctx meta data\n");
> -               goto error_pasid;
> +               goto error_fini;
>         }
>
>         ctx_data.meta_data_gpu_addr = AMDGPU_VA_RESERVED_SIZE;
> @@ -1215,6 +1215,8 @@ int amdgpu_mes_self_test(struct amdgpu_device *adev)
>         BUG_ON(amdgpu_bo_reserve(ctx_data.meta_data_obj, true));
>         amdgpu_vm_bo_del(adev, ctx_data.meta_data_va);
>         amdgpu_bo_unreserve(ctx_data.meta_data_obj);
> +
> +error_fini:
>         amdgpu_vm_fini(adev, vm);
>
>  error_pasid:
> --
> 2.25.1
>