Re: [PATCH 03/10] crypto: aead: Add aead_request_cast() api

[Lokesh Vutla <lokeshvutla@ti.com>]

On Thursday 02 July 2015 01:28 PM, Felipe Balbi wrote:
> On Thu, Jul 02, 2015 at 10:48:33AM +0530, Lokesh Vutla wrote:
>> Add aead_request_cast() api to get pointer to aead_request
>> from cryto_async_request.
>>
>> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
>> ---
>>  include/linux/crypto.h |    6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/include/linux/crypto.h b/include/linux/crypto.h
>> index 10df5d2..20fac3d 100644
>> --- a/include/linux/crypto.h
>> +++ b/include/linux/crypto.h
>> @@ -1460,6 +1460,12 @@ static inline void aead_request_set_tfm(struct aead_request *req,
>>  	req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base);
>>  }
>>  
>> +static inline struct aead_request *aead_request_cast(
>> +					struct crypto_async_request *req)
>> +{
>> +	return container_of(req, struct aead_request, base);
> 
> container_of() ensures type safety, this can be a macro just fine.
There are many similar definitions for ablkcipher.. etc,in
crypto library. So I tried to make it uniform for the entire library.

Thanks and regards,
Lokesh 
>