crypto: serpent - 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: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 19 insertions, 34 deletions

diff --git a/crypto/serpent_generic.c b/crypto/serpent_generic.c
index 8f32cf35e5ce..7ddbd7e88859 100644
--- a/crypto/serpent_generic.c
+++ b/crypto/serpent_generic.c
@@ -567,24 +567,6 @@ static void serpent_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
         __serpent_decrypt(ctx, dst, src);
 }
 
-static struct crypto_alg serpent_alg = {
-        .cra_name               =       "serpent",
-        .cra_driver_name        =       "serpent-generic",
-        .cra_priority           =       100,
-        .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
-        .cra_blocksize          =       SERPENT_BLOCK_SIZE,
-        .cra_ctxsize            =       sizeof(struct serpent_ctx),
-        .cra_alignmask          =       3,
-        .cra_module             =       THIS_MODULE,
-        .cra_list               =       LIST_HEAD_INIT(serpent_alg.cra_list),
-        .cra_u                  =       { .cipher = {
-        .cia_min_keysize        =       SERPENT_MIN_KEY_SIZE,
-        .cia_max_keysize        =       SERPENT_MAX_KEY_SIZE,
-        .cia_setkey             =       serpent_setkey,
-        .cia_encrypt            =       serpent_encrypt,
-        .cia_decrypt            =       serpent_decrypt } }
-};
-
 static int tnepres_setkey(struct crypto_tfm *tfm, const u8 *key,
                           unsigned int keylen)
 {
@@ -637,41 +619,44 @@ static void tnepres_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
         d[3] = swab32(rd[0]);
 }
 
-static struct crypto_alg tnepres_alg = {
+static struct crypto_alg srp_algs[2] = { {
+        .cra_name               =       "serpent",
+        .cra_driver_name        =       "serpent-generic",
+        .cra_priority           =       100,
+        .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
+        .cra_blocksize          =       SERPENT_BLOCK_SIZE,
+        .cra_ctxsize            =       sizeof(struct serpent_ctx),
+        .cra_alignmask          =       3,
+        .cra_module             =       THIS_MODULE,
+        .cra_u                  =       { .cipher = {
+        .cia_min_keysize        =       SERPENT_MIN_KEY_SIZE,
+        .cia_max_keysize        =       SERPENT_MAX_KEY_SIZE,
+        .cia_setkey             =       serpent_setkey,
+        .cia_encrypt            =       serpent_encrypt,
+        .cia_decrypt            =       serpent_decrypt } }
+}, {
         .cra_name               =       "tnepres",
         .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
         .cra_blocksize          =       SERPENT_BLOCK_SIZE,
         .cra_ctxsize            =       sizeof(struct serpent_ctx),
         .cra_alignmask          =       3,
         .cra_module             =       THIS_MODULE,
-        .cra_list               =       LIST_HEAD_INIT(serpent_alg.cra_list),
         .cra_u                  =       { .cipher = {
         .cia_min_keysize        =       SERPENT_MIN_KEY_SIZE,
         .cia_max_keysize        =       SERPENT_MAX_KEY_SIZE,
         .cia_setkey             =       tnepres_setkey,
         .cia_encrypt            =       tnepres_encrypt,
         .cia_decrypt            =       tnepres_decrypt } }
-};
+} };
 
 static int __init serpent_mod_init(void)
 {
-        int ret = crypto_register_alg(&serpent_alg);
-
-        if (ret)
-                return ret;
-
-        ret = crypto_register_alg(&tnepres_alg);
-
-        if (ret)
-                crypto_unregister_alg(&serpent_alg);
-
-        return ret;
+        return crypto_register_algs(srp_algs, ARRAY_SIZE(srp_algs));
 }
 
 static void __exit serpent_mod_fini(void)
 {
-        crypto_unregister_alg(&tnepres_alg);
-        crypto_unregister_alg(&serpent_alg);
+        crypto_unregister_algs(srp_algs, ARRAY_SIZE(srp_algs));
 }
 
 module_init(serpent_mod_init);