Re: powerpc/ps3: Use struct_size() in kzalloc()

[Gustavo A. R. Silva]

On 1/23/19 9:40 PM, Michael Ellerman wrote:
> On Tue, 2019-01-08 at 21:00:10 UTC, "Gustavo A. R. Silva" wrote:
>> One of the more common cases of allocation size calculations is finding the
>> size of a structure that has a zero-sized array at the end, along with memory
>> for some number of elements for that array. For example:
>>
>> struct foo {
>>     int stuff;
>>     void *entry[];
>> };
>>
>> instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
>>
>> Instead of leaving these open-coded and prone to type mistakes, we can now
>> use the new struct_size() helper:
>>
>> instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
>>
>> This code was detected with the help of Coccinelle.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> 
> Applied to powerpc next, thanks.
> 
> https://git.kernel.org/powerpc/c/31367b9a01d6a3f4f77694bd44f547d6
> 

Thanks, Michael.

--
Gustavo