1 files changed, 2 insertions, 1 deletions

diff --git a/include/crypto/chacha20.h b/include/crypto/chacha20.h
index caaa470389e0..b83d66073db0 100644
--- a/include/crypto/chacha20.h
+++ b/include/crypto/chacha20.h
@@ -13,12 +13,13 @@
 #define CHACHA20_IV_SIZE        16
 #define CHACHA20_KEY_SIZE       32
 #define CHACHA20_BLOCK_SIZE     64
+#define CHACHA20_BLOCK_WORDS    (CHACHA20_BLOCK_SIZE / sizeof(u32))
 
 struct chacha20_ctx {
         u32 key[8];
 };
 
-void chacha20_block(u32 *state, void *stream);
+void chacha20_block(u32 *state, u32 *stream);
 void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv);
 int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
                            unsigned int keysize);