Commit 9572442d authored by Xiongfeng Wang's avatar Xiongfeng Wang Committed by Herbert Xu
Browse files

crypto: api - add a helper to (un)register a array of templates 



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: default avatarXiongfeng Wang <xiongfeng.wang@linaro.org>
Reviewed-by: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 747bd2a3

crypto/algapi.c

+27 −0
Original line number Diff line number Diff line
@@ -494,6 +494,24 @@ out: 
}

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;

include/crypto/algapi.h

+2 −0
Original line number Diff line number Diff line
@@ -143,7 +143,9 @@ extern const struct crypto_type crypto_blkcipher_type; 
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,

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