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crypto: api - Change crypto_unregister_instance argument type

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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>
This commit is contained in:
Herbert Xu 2015-04-02 22:39:40 +08:00
parent 1f72371099
commit 87b1675634
3 changed files with 4 additions and 8 deletions
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8
crypto/algapi.c
View File

@ -551,17 +551,13 @@ int crypto_register_instance(struct crypto_template *tmpl,
}
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);

2
crypto/crypto_user.c
View File

@ -316,7 +316,7 @@ static int crypto_del_alg(struct sk_buff *skb, struct nlmsghdr *nlh,
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,

2
include/crypto/algapi.h
View File

@ -137,7 +137,7 @@ struct crypto_template *crypto_lookup_template(const char *name);
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);