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SubjectRe: [RFC PATCH 4/8] misc: emif: add basic infrastructure for EMIF driver
On Friday 17 February 2012 07:14 PM, Cousson, Benoit wrote:
> Hi Aneesh,

[...]

>>>> + emif = kzalloc(sizeof(struct emif_data), GFP_KERNEL);
>>>
>>> You should use the devm_* version of this API to get the simplify the
>>> error handling / removal.
>>
>> Please note that most of my allocations are happening through
>> kmemdup(). kmemdup() doesn't have a devm_* equivalent. So, I have a
>> cleanup() function and in the interest of uniformity decided to avoid
>> devm_* variants altogether.
>
> I think it still worth using devm_kzalloc + memcopy here instead of
> kmemdup to avoid the cleanup() and simplify as well the error handling.

I will do that.

>
> You might even propose a new devm_kmemdup API if you want.

Ok. I will attempt that, maybe both devm_kmalloc() and devm_kmemdup().
But I would like to de-couple that from this series. That is, I will do
the patch separately and if that gets up-streamed I will update EMIF
driver to use them. Until then I will go with what you suggested above.

br,
Aneesh


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