crypto: des - use crypto_[un]register_algs

Combine all crypto_alg to be registered and use new crypto_[un]register_algs
functions. This simplifies init/exit code.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

crypto/des_generic.c

@@ -943,59 +943,44 @@ static void des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 	d[1] = cpu_to_le32(L);
 }
 
-static struct crypto_alg des_alg = {
+static struct crypto_alg des_algs[2] = { {
 	.cra_name		=	"des",
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct des_ctx),
 	.cra_module		=	THIS_MODULE,
 	.cra_alignmask		=	3,
-	.cra_list		=	LIST_HEAD_INIT(des_alg.cra_list),
 	.cra_u			=	{ .cipher = {
 	.cia_min_keysize	=	DES_KEY_SIZE,
 	.cia_max_keysize	=	DES_KEY_SIZE,
 	.cia_setkey		=	des_setkey,
 	.cia_encrypt		=	des_encrypt,
 	.cia_decrypt		=	des_decrypt } }
-};
-
-static struct crypto_alg des3_ede_alg = {
+}, {
 	.cra_name		=	"des3_ede",
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	DES3_EDE_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct des3_ede_ctx),
 	.cra_module		=	THIS_MODULE,
 	.cra_alignmask		=	3,
-	.cra_list		=	LIST_HEAD_INIT(des3_ede_alg.cra_list),
 	.cra_u			=	{ .cipher = {
 	.cia_min_keysize	=	DES3_EDE_KEY_SIZE,
 	.cia_max_keysize	=	DES3_EDE_KEY_SIZE,
 	.cia_setkey		=	des3_ede_setkey,
 	.cia_encrypt		=	des3_ede_encrypt,
 	.cia_decrypt		=	des3_ede_decrypt } }
-};
+} };
 
 MODULE_ALIAS("des3_ede");
 
 static int __init des_generic_mod_init(void)
 {
-	int ret = 0;
-
-	ret = crypto_register_alg(&des_alg);
-	if (ret < 0)
-		goto out;
-
-	ret = crypto_register_alg(&des3_ede_alg);
-	if (ret < 0)
-		crypto_unregister_alg(&des_alg);
-out:
-	return ret;
+	return crypto_register_algs(des_algs, ARRAY_SIZE(des_algs));
 }
 
 static void __exit des_generic_mod_fini(void)
 {
-	crypto_unregister_alg(&des3_ede_alg);
-	crypto_unregister_alg(&des_alg);
+	crypto_unregister_algs(des_algs, ARRAY_SIZE(des_algs));
 }
 
 module_init(des_generic_mod_init);