Am Thursday 11 June 2015, 15:59:29 schrieb Tadeusz Struk:
Hi Tadeusz,
>Hi Stephan,
>
>On 02/28/2015 11:50 AM, Stephan Mueller wrote:
>> + err = af_alg_wait_for_completion(ctx->enc ?
>> + crypto_aead_encrypt(&ctx->aead_req) :
>> + crypto_aead_decrypt(&ctx->aead_req),
>> + &ctx->completion);
>> +
>> + if (err) {
>> + /* EBADMSG implies a valid cipher operation took place */
>> + if (err == -EBADMSG)
>> + aead_put_sgl(sk);
>> + goto unlock;
>
>Shouldn't we free the TX sgl regardless of the error was?
>Or do we expect that the user will try to read again and it will be Ok the
>second time? Hope you still remember :)
It is the latter: as the crypto was not completed properly, leave the data in
memory. This may allow a user to send more data if he needs to for completing
the AEAD operation.
Ciao
Stephan
--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
