yangmengfei1394@xxxxxxxxxxxxxx wrote:
>
> diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h
> index f35fd653e4e5..a68f0e23bf89 100644
> --- a/include/crypto/akcipher.h
> +++ b/include/crypto/akcipher.h
> @@ -459,7 +459,9 @@ static inline int crypto_akcipher_set_priv_key(struct crypto_akcipher *tfm,
> unsigned int keylen)
> {
> struct akcipher_alg *alg = crypto_akcipher_alg(tfm);
> -
> - return alg->set_priv_key(tfm, key, keylen);
> + if (likely(alg->set_priv_key != NULL))
> + return alg->set_priv_key(tfm, key, keylen);
> + else
> + return -EPERM;
> }
> #endif
Instead of doing this, we should move the code that sets the
default functions from crypto_register_akcipher into
akcipher_prepare_alg.
Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
