linux-kernel - Re: [PATCH] drm/amdkfd: fix resource

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Message-ID: <CADnq5_Oi15o3Ok8rDF19bTi_Nzw2mXaF-+v1oH0Ni4bS8pvfpw@mail.gmail.com>
Date:   Mon, 27 Sep 2021 15:25:48 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Amos Jianjun Kong <kongjianjun@...il.com>
Cc:     Yang Li <yang.lee@...ux.alibaba.com>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "Kuehling, Felix" <Felix.Kuehling@....com>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amdkfd: fix resource_size.cocci warnings

Applied.  Thanks!

Alex

On Sun, Sep 26, 2021 at 3:10 PM Amos Jianjun Kong <kongjianjun@...il.com> wrote:
>
> On Sun, Sep 26, 2021 at 3:17 PM Yang Li <yang.lee@...ux.alibaba.com> wrote:
>>
>> Use resource_size function on resource object
>> instead of explicit computation.
>>
>> Clean up coccicheck warning:
>> ./drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:905:10-13: ERROR: Missing
>> resource_size with res
>>
>> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
>> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
>> ---
>>  drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
>> index 4a16e3c..f53e17a 100644
>> --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
>> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
>> @@ -901,8 +901,7 @@ int svm_migrate_init(struct amdgpu_device *adev)
>>
>>                 /* Disable SVM support capability */
>>                 pgmap->type = 0;
>> -               devm_release_mem_region(adev->dev, res->start,
>> -                                       res->end - res->start + 1);
>> +               devm_release_mem_region(adev->dev, res->start, resource_size(res));
>
>
> Looks good.
> Reviewed-by: Amos Kong <kongjianjun@...il.com>
>
>
>>
>>                 return PTR_ERR(r);
>>         }
>>
>> --
>> 1.8.3.1
>>