crypto: api - Add crypto_attr_alg2 helper

This patch adds the helper crypto_attr_alg2 which is similar to
crypto_attr_alg but takes an extra frontend argument.  This is
intended to be used by new style algorithm types such as shash.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 5 insertions, 3 deletions

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 17a5fff8f777..2154815201a7 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -644,7 +644,9 @@ const char *crypto_attr_alg_name(struct rtattr *rta)
 }
 EXPORT_SYMBOL_GPL(crypto_attr_alg_name);
 
-struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask)
+struct crypto_alg *crypto_attr_alg2(struct rtattr *rta,
+                                    const struct crypto_type *frontend,
+                                    u32 type, u32 mask)
 {
         const char *name;
         int err;
@@ -654,9 +656,9 @@ struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask)
         if (IS_ERR(name))
                 return ERR_PTR(err);
 
-        return crypto_alg_mod_lookup(name, type, mask);
+        return crypto_find_alg(name, frontend, type, mask);
 }
-EXPORT_SYMBOL_GPL(crypto_attr_alg);
+EXPORT_SYMBOL_GPL(crypto_attr_alg2);
 
 int crypto_attr_u32(struct rtattr *rta, u32 *num)
 {