On Wed, Dec 20, 2017 at 08:09:25PM +0000, Corentin Labbe wrote: > 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. > > Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx> No this is intentional. The idea is that you can hot-replace an implementation by registering a new version of it while the old one is still in use. The new one will be used for all new allocations. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt