crypto: lib/sha256 - Move partial block handling out

Extract the common partial block handling into a helper macro
that can be reused by other library code.

Also delete the unused sha256_base_do_finalize function.

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

1 files changed, 7 insertions, 2 deletions

diff --git a/include/crypto/sha2.h b/include/crypto/sha2.h
index abbd882f7849..f873c2207b1e 100644
--- a/include/crypto/sha2.h
+++ b/include/crypto/sha2.h
@@ -71,8 +71,13 @@ struct crypto_sha256_state {
 };
 
 struct sha256_state {
-	u32 state[SHA256_DIGEST_SIZE / 4];
-	u64 count;
+	union {
+		struct crypto_sha256_state ctx;
+		struct {
+			u32 state[SHA256_DIGEST_SIZE / 4];
+			u64 count;
+		};
+	};
 	u8 buf[SHA256_BLOCK_SIZE];
 };