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, 3 insertions, 0 deletions

diff --git a/crypto/internal.h b/crypto/internal.h
index 95baaea21fbc..7efa4d0533ff 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -106,6 +106,9 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
                                       u32 mask);
 void *crypto_create_tfm(struct crypto_alg *alg,
                         const struct crypto_type *frontend);
+struct crypto_alg *crypto_find_alg(const char *alg_name,
+                                   const struct crypto_type *frontend,
+                                   u32 type, u32 mask);
 void *crypto_alloc_tfm(const char *alg_name,
                        const struct crypto_type *frontend, u32 type, u32 mask);