crypto: shash - Use finup in default digest

This patch simplifies the default digest function by using finup.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/shash.c

@@ -154,8 +154,7 @@ static int shash_digest_unaligned(struct shash_desc *desc, const u8 *data,
 				  unsigned int len, u8 *out)
 {
 	return crypto_shash_init(desc) ?:
-	       crypto_shash_update(desc, data, len) ?:
-	       crypto_shash_final(desc, out);
+	       crypto_shash_finup(desc, data, len, out);
 }
 
 int crypto_shash_digest(struct shash_desc *desc, const u8 *data,