[PATCH 5/6] crypto: algapi - Add driver template support to crypto_inst_setname

Herbert Xu
2025-05-05T12:32:53Z

Add support to crypto_inst_setname for having a driver template
name that differs from the algorithm template name.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
crypto/algapi.c | 8 ++++----
include/crypto/algapi.h | 12 ++++++++++--
2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 532d3efc3c7d..6618cab2a8f7 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -924,20 +924,20 @@ const char *crypto_attr_alg_name(struct rtattr *rta)
}
EXPORT_SYMBOL_GPL(crypto_attr_alg_name);

-int crypto_inst_setname(struct crypto_instance *inst, const char *name,
- struct crypto_alg *alg)
+int __crypto_inst_setname(struct crypto_instance *inst, const char *name,
+ const char *driver, struct crypto_alg *alg)
{
if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name,
alg->cra_name) >= CRYPTO_MAX_ALG_NAME)
return -ENAMETOOLONG;

if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s(%s)",
- name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
+ driver, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
return -ENAMETOOLONG;

return 0;
}
-EXPORT_SYMBOL_GPL(crypto_inst_setname);
+EXPORT_SYMBOL_GPL(__crypto_inst_setname);

void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen)
{
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 423e57eca351..188eface0a11 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -146,8 +146,16 @@ void *crypto_spawn_tfm2(struct crypto_spawn *spawn);
struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
int crypto_check_attr_type(struct rtattr **tb, u32 type, u32 *mask_ret);
const char *crypto_attr_alg_name(struct rtattr *rta);
-int crypto_inst_setname(struct crypto_instance *inst, const char *name,
- struct crypto_alg *alg);
+int __crypto_inst_setname(struct crypto_instance *inst, const char *name,
+ const char *driver, struct crypto_alg *alg);
+
+#define crypto_inst_setname(inst, name, ...) \
+ CONCATENATE(crypto_inst_setname_, COUNT_ARGS(__VA_ARGS__))( \
+ inst, name, ##__VA_ARGS__)
+#define crypto_inst_setname_1(inst, name, alg) \
+ __crypto_inst_setname(inst, name, name, alg)
+#define crypto_inst_setname_2(inst, name, driver, alg) \
+ __crypto_inst_setname(inst, name, driver, alg)

void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
int crypto_enqueue_request(struct crypto_queue *queue,
--
2.39.5