linux-kernel - Re: [PATCH] drm/amdkfd: Use ARRAY_SIZE macro in kfd_build_sysfs_node

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Date:   Wed, 14 Feb 2018 15:30:03 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Felix Kuehling <felix.kuehling@....com>,
        Oded Gabbay <oded.gabbay@...il.com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/amdkfd: Use ARRAY_SIZE macro in
 kfd_build_sysfs_node_entry

Hi all,

I was just wondering about the status of this patch.

Thanks
--
Gustavo

On 01/19/2018 04:18 PM, Felix Kuehling wrote:
> Looks good. This change is Reviewed-by: Felix Kuehling
> <Felix.Kuehling@....com>
> 
> Regards,
>    Felix
> 
> 
> On 2018-01-18 07:39 PM, Gustavo A. R. Silva wrote:
>> Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element.
>>
>> This issue was detected with the help of Coccinelle.
>>
>> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
>> ---
>>   drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
>> index c6a7609..7783250 100644
>> --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
>> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
>> @@ -677,7 +677,7 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev,
>>   	}
>>   
>>   	/* All hardware blocks have the same number of attributes. */
>> -	num_attrs = sizeof(perf_attr_iommu)/sizeof(struct kfd_perf_attr);
>> +	num_attrs = ARRAY_SIZE(perf_attr_iommu);
>>   	list_for_each_entry(perf, &dev->perf_props, list) {
>>   		perf->attr_group = kzalloc(sizeof(struct kfd_perf_attr)
>>   			* num_attrs + sizeof(struct attribute_group),
>