From 435d3e51af3de0c1fe9f6ca1a18df3cd4d6b8c17 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Fri, 17 Feb 2012 22:48:53 +0200 Subject: 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 Signed-off-by: Herbert Xu --- arch/x86/crypto/serpent_sse2_glue.c | 71 +++++++------------------------------ 1 file changed, 13 insertions(+), 58 deletions(-) (limited to 'arch/x86/crypto/serpent_sse2_glue.c') diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c index 5520c7522200..4b21be85e0a1 100644 --- 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 = { -- cgit v1.2.3