crypto: sha256 - use crypto_[un]register_shashes

Combine all shash algs to be registered and use new crypto_[un]register_shashes
functions. This simplifies init/exit code.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index c48459e..c3ed4ec 100644
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c
@@ -336,7 +336,7 @@
 	return 0;
 }
 
-static struct shash_alg sha256 = {
+static struct shash_alg sha256_algs[2] = { {
 	.digestsize	=	SHA256_DIGEST_SIZE,
 	.init		=	sha256_init,
 	.update		=	sha256_update,
@@ -352,9 +352,7 @@
 		.cra_blocksize	=	SHA256_BLOCK_SIZE,
 		.cra_module	=	THIS_MODULE,
 	}
-};
-
-static struct shash_alg sha224 = {
+}, {
 	.digestsize	=	SHA224_DIGEST_SIZE,
 	.init		=	sha224_init,
 	.update		=	sha256_update,
@@ -367,29 +365,16 @@
 		.cra_blocksize	=	SHA224_BLOCK_SIZE,
 		.cra_module	=	THIS_MODULE,
 	}
-};
+} };
 
 static int __init sha256_generic_mod_init(void)
 {
-	int ret = 0;
-
-	ret = crypto_register_shash(&sha224);
-
-	if (ret < 0)
-		return ret;
-
-	ret = crypto_register_shash(&sha256);
-
-	if (ret < 0)
-		crypto_unregister_shash(&sha224);
-
-	return ret;
+	return crypto_register_shashes(sha256_algs, ARRAY_SIZE(sha256_algs));
 }
 
 static void __exit sha256_generic_mod_fini(void)
 {
-	crypto_unregister_shash(&sha224);
-	crypto_unregister_shash(&sha256);
+	crypto_unregister_shashes(sha256_algs, ARRAY_SIZE(sha256_algs));
 }
 
 module_init(sha256_generic_mod_init);