diff --git a/crypto/algapi.c b/crypto/algapi.c index 08eca6da1d53..e65cb50cf4af 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -472,7 +472,7 @@ int crypto_check_attr_type(struct rtattr **tb, u32 type) } EXPORT_SYMBOL_GPL(crypto_check_attr_type); -struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask) +const char *crypto_attr_alg_name(struct rtattr *rta) { struct crypto_attr_alg *alga; @@ -486,7 +486,21 @@ struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask) alga = RTA_DATA(rta); alga->name[CRYPTO_MAX_ALG_NAME - 1] = 0; - return crypto_alg_mod_lookup(alga->name, type, mask); + return alga->name; +} +EXPORT_SYMBOL_GPL(crypto_attr_alg_name); + +struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask) +{ + const char *name; + int err; + + name = crypto_attr_alg_name(rta); + err = PTR_ERR(name); + if (IS_ERR(name)) + return ERR_PTR(err); + + return crypto_alg_mod_lookup(name, type, mask); } EXPORT_SYMBOL_GPL(crypto_attr_alg); diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index 2cdb227fc39d..726a765e5ec6 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -113,6 +113,7 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type, struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb); int crypto_check_attr_type(struct rtattr **tb, u32 type); +const char *crypto_attr_alg_name(struct rtattr *rta); struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask); int crypto_attr_u32(struct rtattr *rta, u32 *num); struct crypto_instance *crypto_alloc_instance(const char *name,