crypto: api - Change crypto_unregister_instance argument type
This patch makes crypto_unregister_instance take a crypto_instance
instead of a crypto_alg. This allows us to remove a duplicate
CRYPTO_ALG_INSTANCE check in crypto_unregister_instance.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 0f1976e..f1d0307 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -551,17 +551,13 @@
}
EXPORT_SYMBOL_GPL(crypto_register_instance);
-int crypto_unregister_instance(struct crypto_alg *alg)
+int crypto_unregister_instance(struct crypto_instance *inst)
{
- struct crypto_instance *inst = (void *)alg;
LIST_HEAD(list);
- if (!(alg->cra_flags & CRYPTO_ALG_INSTANCE))
- return -EINVAL;
-
down_write(&crypto_alg_sem);
- crypto_remove_spawns(alg, &list, NULL);
+ crypto_remove_spawns(&inst->alg, &list, NULL);
crypto_remove_instance(inst, &list);
up_write(&crypto_alg_sem);
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index c5148a3..eab2497 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -316,7 +316,7 @@
if (atomic_read(&alg->cra_refcnt) != 1)
return -EBUSY;
- return crypto_unregister_instance(alg);
+ return crypto_unregister_instance((struct crypto_instance *)alg);
}
static struct crypto_alg *crypto_user_skcipher_alg(const char *name, u32 type,
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 623a59c..0ecb768 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -137,7 +137,7 @@
int crypto_register_instance(struct crypto_template *tmpl,
struct crypto_instance *inst);
-int crypto_unregister_instance(struct crypto_alg *alg);
+int crypto_unregister_instance(struct crypto_instance *inst);
int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
struct crypto_instance *inst, u32 mask);