Re: [PATCH 03/10] crypto: aead: Add aead_request_cast() api
From: Lokesh Vutla
Date: Thu Jul 02 2015 - 05:47:10 EST
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@xxxxxx>
>> ---
>> 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
>
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