crypto: Unlink and free instances when deleted

We leak the crypto instance when we unregister an instance with
crypto_del_alg(). Therefore we introduce crypto_unregister_instance()
to unlink the crypto instance from the template's instances list and
to free the recources of the instance properly.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index ecc721d..418d270 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -134,6 +134,7 @@ 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_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
 		      struct crypto_instance *inst, u32 mask);