From: Xiongfeng Wang <wangxiongfeng2@huawei.com>
To: <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
<ebiggers@kernel.org>
Cc: <wangxiongfeng2@huawei.com>, <linux-crypto@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <broonie@kernel.org>,
<ard.biesheuvel@linaro.org>, <jonathan.cameron@huawei.com>
Subject: [PATCH V3 1/5] crypto: api - add a helper to (un)register a array of templates
Date: Fri, 18 Jan 2019 13:58:11 +0800 [thread overview]
Message-ID: <1547791095-48339-2-git-send-email-wangxiongfeng2@huawei.com> (raw)
In-Reply-To: <1547791095-48339-1-git-send-email-wangxiongfeng2@huawei.com>
From: Xiongfeng Wang <xiongfeng.wang@linaro.org>
This patch add a helper to (un)register a array of templates. The
following patches will use this helper to simplify the code.
Signed-off-by: Xiongfeng Wang <xiongfeng.wang@linaro.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
---
crypto/algapi.c | 27 +++++++++++++++++++++++++++
include/crypto/algapi.h | 2 ++
2 files changed, 29 insertions(+)
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 713baab..4c9c86b 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -494,6 +494,24 @@ int crypto_register_template(struct crypto_template *tmpl)
}
EXPORT_SYMBOL_GPL(crypto_register_template);
+int crypto_register_templates(struct crypto_template *tmpls, int count)
+{
+ int i, err;
+
+ for (i = 0; i < count; i++) {
+ err = crypto_register_template(&tmpls[i]);
+ if (err)
+ goto out;
+ }
+ return 0;
+
+out:
+ for (--i; i >= 0; --i)
+ crypto_unregister_template(&tmpls[i]);
+ return err;
+}
+EXPORT_SYMBOL_GPL(crypto_register_templates);
+
void crypto_unregister_template(struct crypto_template *tmpl)
{
struct crypto_instance *inst;
@@ -523,6 +541,15 @@ void crypto_unregister_template(struct crypto_template *tmpl)
}
EXPORT_SYMBOL_GPL(crypto_unregister_template);
+void crypto_unregister_templates(struct crypto_template *tmpls, int count)
+{
+ int i;
+
+ for (i = count - 1; i >= 0; --i)
+ crypto_unregister_template(&tmpls[i]);
+}
+EXPORT_SYMBOL_GPL(crypto_unregister_templates);
+
static struct crypto_template *__crypto_lookup_template(const char *name)
{
struct crypto_template *q, *tmpl = NULL;
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 093869f..4be38cd 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -143,7 +143,9 @@ struct ablkcipher_walk {
void crypto_mod_put(struct crypto_alg *alg);
int crypto_register_template(struct crypto_template *tmpl);
+int crypto_register_templates(struct crypto_template *tmpls, int count);
void crypto_unregister_template(struct crypto_template *tmpl);
+void crypto_unregister_templates(struct crypto_template *tmpls, int count);
struct crypto_template *crypto_lookup_template(const char *name);
int crypto_register_instance(struct crypto_template *tmpl,
--
1.7.12.4
next prev parent reply other threads:[~2019-01-18 5:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-18 5:58 [PATCH V3 0/5] Crypto Cleanup Xiongfeng Wang
2019-01-18 5:58 ` Xiongfeng Wang [this message]
2019-01-18 5:58 ` [PATCH V3 2/5] crypto: ccm - use template array registering API to simplify the code Xiongfeng Wang
2019-01-18 5:58 ` [PATCH V3 3/5] crypto: gcm " Xiongfeng Wang
2019-01-18 5:58 ` [PATCH V3 4/5] crypto: ctr " Xiongfeng Wang
2019-01-18 5:58 ` [PATCH V3 5/5] crypto: chacha20poly1305 " Xiongfeng Wang
2019-01-25 10:48 ` [PATCH V3 0/5] Crypto Cleanup Herbert Xu
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