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| author |   Xiongfeng Wang <xiongfeng.wang@linaro.org> | 2019-01-18 13:58:11 +0800 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-01-25 18:41:52 +0800 |
| commit | 9572442dcf487e534e70b30f43e21a364cf483e9 (patch) | |
| tree | 3c6e83ea5ee77e8fe7eefcd134774bce6dce4766 | |
| parent | crypto: morus - Convert to SPDX license identifiers (diff) | |
| download | linux-dev-9572442dcf487e534e70b30f43e21a364cf483e9.tar.xz linux-dev-9572442dcf487e534e70b30f43e21a364cf483e9.zip | |
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: Xiongfeng Wang <xiongfeng.wang@linaro.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/algapi.c | 27 | ||||
| -rw-r--r-- | include/crypto/algapi.h | 2 |
2 files changed, 29 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index 713baabeb643..4c9c86b55738 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -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; diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index 093869f175d6..4be38cd0b8d5 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -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, |