crypto: serpent-sse2 - combine ablk_*_init functions

Driver name in ablk_*_init functions can be constructed runtime. Therefore
use single function ablk_init to reduce object size.

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

diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 5520c75..4b21be8 100644 (file)
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -676,68 +676,23 @@ static void ablk_exit(struct crypto_tfm *tfm)
        cryptd_free_ablkcipher(ctx->cryptd_tfm);
 }
 
-static void ablk_init_common(struct crypto_tfm *tfm,
-                            struct cryptd_ablkcipher *cryptd_tfm)
+static int ablk_init(struct crypto_tfm *tfm)
 {
        struct async_serpent_ctx *ctx = crypto_tfm_ctx(tfm);
-
-       ctx->cryptd_tfm = cryptd_tfm;
-       tfm->crt_ablkcipher.reqsize = sizeof(struct ablkcipher_request) +
-               crypto_ablkcipher_reqsize(&cryptd_tfm->base);
-}
-
-static int ablk_ecb_init(struct crypto_tfm *tfm)
-{
        struct cryptd_ablkcipher *cryptd_tfm;
+       char drv_name[CRYPTO_MAX_ALG_NAME];
 
-       cryptd_tfm = cryptd_alloc_ablkcipher("__driver-ecb-serpent-sse2", 0, 0);
-       if (IS_ERR(cryptd_tfm))
-               return PTR_ERR(cryptd_tfm);
-       ablk_init_common(tfm, cryptd_tfm);
-       return 0;
-}
-
-static int ablk_cbc_init(struct crypto_tfm *tfm)
-{
-       struct cryptd_ablkcipher *cryptd_tfm;
+       snprintf(drv_name, sizeof(drv_name), "__driver-%s",
+                                       crypto_tfm_alg_driver_name(tfm));
 
-       cryptd_tfm = cryptd_alloc_ablkcipher("__driver-cbc-serpent-sse2", 0, 0);
+       cryptd_tfm = cryptd_alloc_ablkcipher(drv_name, 0, 0);
        if (IS_ERR(cryptd_tfm))
                return PTR_ERR(cryptd_tfm);
-       ablk_init_common(tfm, cryptd_tfm);
-       return 0;
-}
 
-static int ablk_ctr_init(struct crypto_tfm *tfm)
-{
-       struct cryptd_ablkcipher *cryptd_tfm;
-
-       cryptd_tfm = cryptd_alloc_ablkcipher("__driver-ctr-serpent-sse2", 0, 0);
-       if (IS_ERR(cryptd_tfm))
-               return PTR_ERR(cryptd_tfm);
-       ablk_init_common(tfm, cryptd_tfm);
-       return 0;
-}
-
-static int ablk_lrw_init(struct crypto_tfm *tfm)
-{
-       struct cryptd_ablkcipher *cryptd_tfm;
-
-       cryptd_tfm = cryptd_alloc_ablkcipher("__driver-lrw-serpent-sse2", 0, 0);
-       if (IS_ERR(cryptd_tfm))
-               return PTR_ERR(cryptd_tfm);
-       ablk_init_common(tfm, cryptd_tfm);
-       return 0;
-}
-
-static int ablk_xts_init(struct crypto_tfm *tfm)
-{
-       struct cryptd_ablkcipher *cryptd_tfm;
+       ctx->cryptd_tfm = cryptd_tfm;
+       tfm->crt_ablkcipher.reqsize = sizeof(struct ablkcipher_request) +
+               crypto_ablkcipher_reqsize(&cryptd_tfm->base);
 
-       cryptd_tfm = cryptd_alloc_ablkcipher("__driver-xts-serpent-sse2", 0, 0);
-       if (IS_ERR(cryptd_tfm))
-               return PTR_ERR(cryptd_tfm);
-       ablk_init_common(tfm, cryptd_tfm);
        return 0;
 }
 
@@ -858,7 +813,7 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_type               = &crypto_ablkcipher_type,
        .cra_module             = THIS_MODULE,
        .cra_list               = LIST_HEAD_INIT(serpent_algs[5].cra_list),
-       .cra_init               = ablk_ecb_init,
+       .cra_init               = ablk_init,
        .cra_exit               = ablk_exit,
        .cra_u = {
                .ablkcipher = {
@@ -880,7 +835,7 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_type               = &crypto_ablkcipher_type,
        .cra_module             = THIS_MODULE,
        .cra_list               = LIST_HEAD_INIT(serpent_algs[6].cra_list),
-       .cra_init               = ablk_cbc_init,
+       .cra_init               = ablk_init,
        .cra_exit               = ablk_exit,
        .cra_u = {
                .ablkcipher = {
@@ -903,7 +858,7 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_type               = &crypto_ablkcipher_type,
        .cra_module             = THIS_MODULE,
        .cra_list               = LIST_HEAD_INIT(serpent_algs[7].cra_list),
-       .cra_init               = ablk_ctr_init,
+       .cra_init               = ablk_init,
        .cra_exit               = ablk_exit,
        .cra_u = {
                .ablkcipher = {
@@ -927,7 +882,7 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_type               = &crypto_ablkcipher_type,
        .cra_module             = THIS_MODULE,
        .cra_list               = LIST_HEAD_INIT(serpent_algs[8].cra_list),
-       .cra_init               = ablk_lrw_init,
+       .cra_init               = ablk_init,
        .cra_exit               = ablk_exit,
        .cra_u = {
                .ablkcipher = {
@@ -952,7 +907,7 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_type               = &crypto_ablkcipher_type,
        .cra_module             = THIS_MODULE,
        .cra_list               = LIST_HEAD_INIT(serpent_algs[9].cra_list),
-       .cra_init               = ablk_xts_init,
+       .cra_init               = ablk_init,
        .cra_exit               = ablk_exit,
        .cra_u = {
                .ablkcipher = {