crypto: hash - Export shash through hash

This patch allows shash algorithms to be used through the old hash
interface.  This is a transitional measure so we can convert the
underlying algorithms to shash before converting the users across.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 92fbe7385856..82b70564bcab 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -39,6 +39,9 @@ extern const struct crypto_type crypto_ahash_type;
 int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
 int crypto_hash_walk_first(struct ahash_request *req,
                            struct crypto_hash_walk *walk);
+int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
+                                  struct crypto_hash_walk *walk,
+                                  struct scatterlist *sg, unsigned int len);
 
 int crypto_register_shash(struct shash_alg *alg);
 int crypto_unregister_shash(struct shash_alg *alg);