crypto: Export crypto_remove_spawns

The upcomming crypto usrerspace configuration api needs
to remove the spawns on top on an algorithm, so export
crypto_remove_spawns.

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

crypto/algapi.c

@@ -129,9 +129,8 @@ static void crypto_remove_spawn(struct crypto_spawn *spawn,
 	BUG_ON(!list_empty(&inst->alg.cra_users));
 }
 
-static void crypto_remove_spawns(struct crypto_alg *alg,
-				 struct list_head *list,
-				 struct crypto_alg *nalg)
+void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
+			  struct crypto_alg *nalg)
 {
 	u32 new_type = (nalg ?: alg)->cra_flags;
 	struct crypto_spawn *spawn, *n;
@@ -177,6 +176,7 @@ static void crypto_remove_spawns(struct crypto_alg *alg,
 			crypto_remove_spawn(spawn, list);
 	}
 }
+EXPORT_SYMBOL_GPL(crypto_remove_spawns);
 
 static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
 {

crypto/internal.h

@@ -86,6 +86,8 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask);
 void crypto_larval_error(const char *name, u32 type, u32 mask);
 void crypto_alg_tested(const char *name, int err);
 
+void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
+			  struct crypto_alg *nalg);
 void crypto_shoot_alg(struct crypto_alg *alg);
 struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
 				      u32 mask);