crypto: ahash - Add crypto_ahash_set_reqsize

This patch adds the helper crypto_ahash_set_reqsize so that
implementations do not directly access the crypto_ahash structure.

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

1 files changed, 6 insertions, 0 deletions

diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 6e283495374e..5e45818f3351 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -77,6 +77,12 @@ static inline struct ahash_alg *crypto_ahash_alg(
         return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
 }
 
+static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
+                                            unsigned int reqsize)
+{
+        crypto_ahash_crt(tfm)->reqsize = reqsize;
+}
+
 static inline int ahash_enqueue_request(struct crypto_queue *queue,
                                              struct ahash_request *request)
 {