Am Mittwoch, 20. Dezember 2017, 21:09:25 CET schrieb Corentin Labbe: Hi Corentin, > Each crypto algorithm "cra_name" can have multiple implementation called > "cra_driver_name". > If two different implementation have the same cra_driver_name, nothing > can easily differentiate them. > Furthermore the mechanism for getting a crypto algorithm with its > implementation name (crypto_alg_match() in crypto/crypto_user.c) will > get only the first one found. > > So this patch prevent the registration of two implementation with the > same cra_driver_name. Have you seen that happen? The driver_name should be an unambiguous name that is unique throughout all crypto implementations. If you have seen a duplication, then this duplication should be fixed. Ciao Stephan