Re: [PATCH 12/31] drm/amdgpu: use kmemdup rather than duplicating its implementation

From: Alex Deucher
Date: Mon Sep 21 2015 - 17:36:44 EST


On Wed, Sep 16, 2015 at 12:21 PM, Christian KÃnig
<deathsimple@xxxxxxxxxxx> wrote:
> On 16.09.2015 11:56, Andrzej Hajda wrote:
>>
>> Ping.
>>
>> Regards
>> Andrzej
>>
>> On 08/07/2015 09:59 AM, Andrzej Hajda wrote:
>>>
>>> The patch was generated using fixed coccinelle semantic patch
>>> scripts/coccinelle/api/memdup.cocci [1].
>>>
>>> [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
>>>
>>> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
>
>
> Somehow missed that. Patch is Reviewed-by: Christian KÃnig
> <christian.koenig@xxxxxxx>.

I hadn't seen it either. Applied now.

Alex

>
> Regards,
> Christian.
>
>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +---
>>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>> index 8da6424..94bd992 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>> @@ -549,12 +549,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo,
>>> void *metadata,
>>> if (metadata == NULL)
>>> return -EINVAL;
>>> - buffer = kzalloc(metadata_size, GFP_KERNEL);
>>> + buffer = kmemdup(metadata, metadata_size, GFP_KERNEL);
>>> if (buffer == NULL)
>>> return -ENOMEM;
>>> - memcpy(buffer, metadata, metadata_size);
>>> -
>>> kfree(bo->metadata);
>>> bo->metadata_flags = flags;
>>> bo->metadata = buffer;
>>
>> _______________________________________________
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>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>
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