crypto: api - Add crypto_inst_setname
This patch adds the helper crypto_inst_setname because the current
helper crypto_alloc_instance2 is no longer useful given that we
now look up the algorithm after we allocate the instance object.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 731255a..df939b5 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -811,6 +811,21 @@
}
EXPORT_SYMBOL_GPL(crypto_attr_u32);
+int crypto_inst_setname(struct crypto_instance *inst, const char *name,
+ 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)
+ return -ENAMETOOLONG;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_inst_setname);
+
void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
unsigned int head)
{
@@ -825,13 +840,8 @@
inst = (void *)(p + head);
- err = -ENAMETOOLONG;
- if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name,
- alg->cra_name) >= CRYPTO_MAX_ALG_NAME)
- goto err_free_inst;
-
- if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s(%s)",
- name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
+ err = crypto_inst_setname(inst, name, alg);
+ if (err)
goto err_free_inst;
return p;
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index eeafd21..0483f65 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -244,6 +244,8 @@
}
int crypto_attr_u32(struct rtattr *rta, u32 *num);
+int crypto_inst_setname(struct crypto_instance *inst, const char *name,
+ struct crypto_alg *alg);
void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
unsigned int head);
struct crypto_instance *crypto_alloc_instance(const char *name,