The following patch introduce several crypto templates. To simplify the code, this patch add two APIs to (un)register a array of templates. Signed-off-by: Xiongfeng Wang <xiongfeng.wang@xxxxxxxxxx> --- 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 c0755cf..08c29e6 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -485,6 +485,24 @@ int crypto_register_template(struct crypto_template *tmpl) } EXPORT_SYMBOL_GPL(crypto_register_template); +int crypto_register_template_array(struct crypto_template *tmpl, int num) +{ + int i, err; + + for (i = 0; i < num; i++) { + err = crypto_register_template(&tmpl[i]); + if (err) + goto out; + } + return 0; + +out: + for (i -= 1; i >= 0; i--) + crypto_unregister_template(&tmpl[i]); + return err; +} +EXPORT_SYMBOL_GPL(crypto_register_template_array); + void crypto_unregister_template(struct crypto_template *tmpl) { struct crypto_instance *inst; @@ -514,6 +532,15 @@ void crypto_unregister_template(struct crypto_template *tmpl) } EXPORT_SYMBOL_GPL(crypto_unregister_template); +void crypto_unregister_template_array(struct crypto_template *tmpl, int num) +{ + int i; + + for (i = 0; i < num; i++) + crypto_unregister_template(&tmpl[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_template_array); + 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 bd5e8cc..14bfbe31 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -141,7 +141,9 @@ struct ablkcipher_walk { void crypto_mod_put(struct crypto_alg *alg); int crypto_register_template(struct crypto_template *tmpl); +int crypto_register_template_array(struct crypto_template *tmpl, int num); void crypto_unregister_template(struct crypto_template *tmpl); +void crypto_unregister_template_array(struct crypto_template *tmpl, int num); struct crypto_template *crypto_lookup_template(const char *name); int crypto_register_instance(struct crypto_template *tmpl, -- 1.7.12.4 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel