[PATCH V3 4/5] crypto: ctr - use template array registering API to simplify the code

[Xiongfeng Wang]

From: Xiongfeng Wang <xiongfeng.w...@linaro.org>

Use crypto template array registering API to simplify the code.

Signed-off-by: Xiongfeng Wang <xiongfeng.w...@linaro.org>
Reviewed-by: Eric Biggers <ebigg...@google.com>
---
 crypto/ctr.c | 42 ++++++++++++++----------------------------
 1 file changed, 14 insertions(+), 28 deletions(-)

diff --git a/crypto/ctr.c b/crypto/ctr.c
index 4c743a9..ec8f8b6 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -171,12 +171,6 @@ static int crypto_ctr_create(struct crypto_template *tmpl, 
struct rtattr **tb)
        return err;
 }
 
-static struct crypto_template crypto_ctr_tmpl = {
-       .name = "ctr",
-       .create = crypto_ctr_create,
-       .module = THIS_MODULE,
-};
-
 static int crypto_rfc3686_setkey(struct crypto_skcipher *parent,
                                 const u8 *key, unsigned int keylen)
 {
@@ -366,36 +360,28 @@ static int crypto_rfc3686_create(struct crypto_template 
*tmpl,
        goto out;
 }
 
-static struct crypto_template crypto_rfc3686_tmpl = {
-       .name = "rfc3686",
-       .create = crypto_rfc3686_create,
-       .module = THIS_MODULE,
+static struct crypto_template crypto_ctr_tmpls[] = {
+       {
+               .name = "ctr",
+               .create = crypto_ctr_create,
+               .module = THIS_MODULE,
+       }, {
+               .name = "rfc3686",
+               .create = crypto_rfc3686_create,
+               .module = THIS_MODULE,
+       },
 };
 
 static int __init crypto_ctr_module_init(void)
 {
-       int err;
-
-       err = crypto_register_template(&crypto_ctr_tmpl);
-       if (err)
-               goto out;
-
-       err = crypto_register_template(&crypto_rfc3686_tmpl);
-       if (err)
-               goto out_drop_ctr;
-
-out:
-       return err;
-
-out_drop_ctr:
-       crypto_unregister_template(&crypto_ctr_tmpl);
-       goto out;
+       return crypto_register_templates(crypto_ctr_tmpls,
+                                        ARRAY_SIZE(crypto_ctr_tmpls));
 }
 
 static void __exit crypto_ctr_module_exit(void)
 {
-       crypto_unregister_template(&crypto_rfc3686_tmpl);
-       crypto_unregister_template(&crypto_ctr_tmpl);
+       crypto_unregister_templates(crypto_ctr_tmpls,
+                                   ARRAY_SIZE(crypto_ctr_tmpls));
 }
 
 module_init(crypto_ctr_module_init);
-- 
1.7.12.4