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>

1 files changed, 2 insertions, 6 deletions

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 0f1976eceb27..f1d0307b1d08 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -551,17 +551,13 @@ err:
 }
 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);