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authorHerbert Xu <herbert@gondor.apana.org.au>2016-06-29 18:04:13 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-07-01 23:45:11 +0800
commit32f27c745c26ff4b6351bce265cba049a2c74de5 (patch)
tree71d517cfb123a327cdd92934612982cb46e3a180
parent64e26807bb93b4accaa395d98e118ab893cac074 (diff)
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>
-rw-r--r--crypto/algapi.c24
-rw-r--r--include/crypto/algapi.h2
2 files changed, 19 insertions, 7 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 731255a6104f..df939b54b09f 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -811,6 +811,21 @@ int crypto_attr_u32(struct rtattr *rta, u32 *num)
}
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 @@ void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
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 eeafd21afb44..0483f652ac27 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -244,6 +244,8 @@ static inline struct crypto_alg *crypto_attr_alg(struct rtattr *rta,
}
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,