Reencrypt fix
First patch is sort-of unrelated, but we should use crypt_is_cipher_null check whenever possible. For example in libdevmapper, cipher_null could by theoretically invoked with kcapi format "ecb(cipher_null)"
First patch is sort-of unrelated, but we should use crypt_is_cipher_null check whenever possible. For example in libdevmapper, cipher_null could by theoretically invoked with kcapi format "ecb(cipher_null)"