From 0db1903539e9569391bff41e2e6b171f791e2ed9 Mon Sep 17 00:00:00 2001 From: Xiongfeng Wang Date: Fri, 18 Jan 2019 13:58:12 +0800 Subject: [PATCH] crypto: ccm - use template array registering API to simplify the code Use crypto template array registering API to simplify the code. Signed-off-by: Xiongfeng Wang Reviewed-by: Eric Biggers Signed-off-by: Herbert Xu --- crypto/ccm.c | 78 ++++++++++++++++------------------------------------ 1 file changed, 23 insertions(+), 55 deletions(-) diff --git a/crypto/ccm.c b/crypto/ccm.c index b242fd0d3262..50df8f001c1c 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -589,12 +589,6 @@ static int crypto_ccm_create(struct crypto_template *tmpl, struct rtattr **tb) mac_name); } -static struct crypto_template crypto_ccm_tmpl = { - .name = "ccm", - .create = crypto_ccm_create, - .module = THIS_MODULE, -}; - static int crypto_ccm_base_create(struct crypto_template *tmpl, struct rtattr **tb) { @@ -618,12 +612,6 @@ static int crypto_ccm_base_create(struct crypto_template *tmpl, cipher_name); } -static struct crypto_template crypto_ccm_base_tmpl = { - .name = "ccm_base", - .create = crypto_ccm_base_create, - .module = THIS_MODULE, -}; - static int crypto_rfc4309_setkey(struct crypto_aead *parent, const u8 *key, unsigned int keylen) { @@ -854,12 +842,6 @@ static int crypto_rfc4309_create(struct crypto_template *tmpl, goto out; } -static struct crypto_template crypto_rfc4309_tmpl = { - .name = "rfc4309", - .create = crypto_rfc4309_create, - .module = THIS_MODULE, -}; - static int crypto_cbcmac_digest_setkey(struct crypto_shash *parent, const u8 *inkey, unsigned int keylen) { @@ -999,51 +981,37 @@ static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) return err; } -static struct crypto_template crypto_cbcmac_tmpl = { - .name = "cbcmac", - .create = cbcmac_create, - .free = shash_free_instance, - .module = THIS_MODULE, +static struct crypto_template crypto_ccm_tmpls[] = { + { + .name = "cbcmac", + .create = cbcmac_create, + .free = shash_free_instance, + .module = THIS_MODULE, + }, { + .name = "ccm_base", + .create = crypto_ccm_base_create, + .module = THIS_MODULE, + }, { + .name = "ccm", + .create = crypto_ccm_create, + .module = THIS_MODULE, + }, { + .name = "rfc4309", + .create = crypto_rfc4309_create, + .module = THIS_MODULE, + }, }; static int __init crypto_ccm_module_init(void) { - int err; - - err = crypto_register_template(&crypto_cbcmac_tmpl); - if (err) - goto out; - - err = crypto_register_template(&crypto_ccm_base_tmpl); - if (err) - goto out_undo_cbcmac; - - err = crypto_register_template(&crypto_ccm_tmpl); - if (err) - goto out_undo_base; - - err = crypto_register_template(&crypto_rfc4309_tmpl); - if (err) - goto out_undo_ccm; - -out: - return err; - -out_undo_ccm: - crypto_unregister_template(&crypto_ccm_tmpl); -out_undo_base: - crypto_unregister_template(&crypto_ccm_base_tmpl); -out_undo_cbcmac: - crypto_register_template(&crypto_cbcmac_tmpl); - goto out; + return crypto_register_templates(crypto_ccm_tmpls, + ARRAY_SIZE(crypto_ccm_tmpls)); } static void __exit crypto_ccm_module_exit(void) { - crypto_unregister_template(&crypto_rfc4309_tmpl); - crypto_unregister_template(&crypto_ccm_tmpl); - crypto_unregister_template(&crypto_ccm_base_tmpl); - crypto_unregister_template(&crypto_cbcmac_tmpl); + crypto_unregister_templates(crypto_ccm_tmpls, + ARRAY_SIZE(crypto_ccm_tmpls)); } module_init(crypto_ccm_module_init);