crypto: sha256 - remove duplicate generic hash init function

crypto_sha256_init() and sha256_base_init() are the same repeated
implementations, remove the crypto_sha256_init() in generic
implementation, sha224 is the same process.
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

crypto/sha256_generic.c

@@ -33,18 +33,6 @@ const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE] = {
 };
 EXPORT_SYMBOL_GPL(sha256_zero_message_hash);
 
-static int crypto_sha256_init(struct shash_desc *desc)
-{
-	sha256_init(shash_desc_ctx(desc));
-	return 0;
-}
-
-static int crypto_sha224_init(struct shash_desc *desc)
-{
-	sha224_init(shash_desc_ctx(desc));
-	return 0;
-}
-
 int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
 			  unsigned int len)
 {
@@ -72,7 +60,7 @@ EXPORT_SYMBOL(crypto_sha256_finup);
 
 static struct shash_alg sha256_algs[2] = { {
 	.digestsize	=	SHA256_DIGEST_SIZE,
-	.init		=	crypto_sha256_init,
+	.init		=	sha256_base_init,
 	.update		=	crypto_sha256_update,
 	.final		=	crypto_sha256_final,
 	.finup		=	crypto_sha256_finup,
@@ -86,7 +74,7 @@ static struct shash_alg sha256_algs[2] = { {
 	}
 }, {
 	.digestsize	=	SHA224_DIGEST_SIZE,
-	.init		=	crypto_sha224_init,
+	.init		=	sha224_base_init,
 	.update		=	crypto_sha256_update,
 	.final		=	crypto_sha256_final,
 	.finup		=	crypto_sha256_finup,