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authorXiongfeng Wang <xiongfeng.wang@linaro.org>2019-01-18 13:58:13 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2019-01-25 18:41:52 +0800
commit56a00d9da159ad7a2e9cbd18a2db9165bf5c373b (patch)
tree2eca1327f931353625245f25d47de8560456c05d /crypto/gcm.c
parent0db1903539e9569391bff41e2e6b171f791e2ed9 (diff)
downloadtalos-op-linux-56a00d9da159ad7a2e9cbd18a2db9165bf5c373b.tar.gz
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crypto: gcm - use template array registering API to simplify the code
Use crypto template array registering API to simplify the code. Signed-off-by: Xiongfeng Wang <xiongfeng.wang@linaro.org> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/gcm.c')
-rw-r--r--crypto/gcm.c73
1 files changed, 23 insertions, 50 deletions
diff --git a/crypto/gcm.c b/crypto/gcm.c
index bbce31f6199b..e1a11f529d25 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -727,12 +727,6 @@ static int crypto_gcm_create(struct crypto_template *tmpl, struct rtattr **tb)
ctr_name, "ghash");
}
-static struct crypto_template crypto_gcm_tmpl = {
- .name = "gcm",
- .create = crypto_gcm_create,
- .module = THIS_MODULE,
-};
-
static int crypto_gcm_base_create(struct crypto_template *tmpl,
struct rtattr **tb)
{
@@ -756,12 +750,6 @@ static int crypto_gcm_base_create(struct crypto_template *tmpl,
ctr_name, ghash_name);
}
-static struct crypto_template crypto_gcm_base_tmpl = {
- .name = "gcm_base",
- .create = crypto_gcm_base_create,
- .module = THIS_MODULE,
-};
-
static int crypto_rfc4106_setkey(struct crypto_aead *parent, const u8 *key,
unsigned int keylen)
{
@@ -989,12 +977,6 @@ out_free_inst:
goto out;
}
-static struct crypto_template crypto_rfc4106_tmpl = {
- .name = "rfc4106",
- .create = crypto_rfc4106_create,
- .module = THIS_MODULE,
-};
-
static int crypto_rfc4543_setkey(struct crypto_aead *parent, const u8 *key,
unsigned int keylen)
{
@@ -1231,10 +1213,24 @@ out_free_inst:
goto out;
}
-static struct crypto_template crypto_rfc4543_tmpl = {
- .name = "rfc4543",
- .create = crypto_rfc4543_create,
- .module = THIS_MODULE,
+static struct crypto_template crypto_gcm_tmpls[] = {
+ {
+ .name = "gcm_base",
+ .create = crypto_gcm_base_create,
+ .module = THIS_MODULE,
+ }, {
+ .name = "gcm",
+ .create = crypto_gcm_create,
+ .module = THIS_MODULE,
+ }, {
+ .name = "rfc4106",
+ .create = crypto_rfc4106_create,
+ .module = THIS_MODULE,
+ }, {
+ .name = "rfc4543",
+ .create = crypto_rfc4543_create,
+ .module = THIS_MODULE,
+ },
};
static int __init crypto_gcm_module_init(void)
@@ -1247,42 +1243,19 @@ static int __init crypto_gcm_module_init(void)
sg_init_one(&gcm_zeroes->sg, gcm_zeroes->buf, sizeof(gcm_zeroes->buf));
- err = crypto_register_template(&crypto_gcm_base_tmpl);
- if (err)
- goto out;
-
- err = crypto_register_template(&crypto_gcm_tmpl);
+ err = crypto_register_templates(crypto_gcm_tmpls,
+ ARRAY_SIZE(crypto_gcm_tmpls));
if (err)
- goto out_undo_base;
+ kfree(gcm_zeroes);
- err = crypto_register_template(&crypto_rfc4106_tmpl);
- if (err)
- goto out_undo_gcm;
-
- err = crypto_register_template(&crypto_rfc4543_tmpl);
- if (err)
- goto out_undo_rfc4106;
-
- return 0;
-
-out_undo_rfc4106:
- crypto_unregister_template(&crypto_rfc4106_tmpl);
-out_undo_gcm:
- crypto_unregister_template(&crypto_gcm_tmpl);
-out_undo_base:
- crypto_unregister_template(&crypto_gcm_base_tmpl);
-out:
- kfree(gcm_zeroes);
return err;
}
static void __exit crypto_gcm_module_exit(void)
{
kfree(gcm_zeroes);
- crypto_unregister_template(&crypto_rfc4543_tmpl);
- crypto_unregister_template(&crypto_rfc4106_tmpl);
- crypto_unregister_template(&crypto_gcm_tmpl);
- crypto_unregister_template(&crypto_gcm_base_tmpl);
+ crypto_unregister_templates(crypto_gcm_tmpls,
+ ARRAY_SIZE(crypto_gcm_tmpls));
}
module_init(crypto_gcm_module_init);
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