Commit 917ed04e authored by Yi Yang's avatar Yi Yang
Browse files

crypto: fix kabi broken in struct crypto_instance 

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8J49F


CVE: N/A

--------------------------------

Fix kabi breakage in commit 9ae4577b ("crypto: api - Use
work queue in crypto_destroy_instance")

Signed-off-by: default avatarYi Yang <yiyang13@huawei.com>
parent 7c1ecabc

crypto/algapi.c

+17 −4
Original line number Diff line number Diff line
@@ -90,22 +90,35 @@ static void crypto_free_instance(struct crypto_instance *inst) 


static void crypto_destroy_instance_workfn(struct work_struct *w)

{

	struct crypto_instance *inst = container_of(w, struct crypto_instance,

						    free_work);

	struct crypto_instance_freework *work = container_of(w,

			struct crypto_instance_freework, free_work);

	struct crypto_instance *inst = work->instance;

	struct crypto_template *tmpl = inst->tmpl;



	crypto_free_instance(inst);

	crypto_tmpl_put(tmpl);



	kfree(work);

}



static void crypto_destroy_instance(struct crypto_alg *alg)

{

	struct crypto_instance_freework *work;

	struct crypto_instance *inst = container_of(alg,

						    struct crypto_instance,

						    alg);

	struct crypto_template *tmpl = inst->tmpl;



	work = kzalloc(sizeof(*work), GFP_ATOMIC);

	if (!work) {

		crypto_free_instance(inst);

		crypto_tmpl_put(tmpl);

		return;

	}

	work->instance = inst;



	INIT_WORK(&inst->free_work, crypto_destroy_instance_workfn);

	schedule_work(&inst->free_work);

	INIT_WORK(&work->free_work, crypto_destroy_instance_workfn);

	schedule_work(&work->free_work);

}



static struct list_head *crypto_more_spawns(struct crypto_alg *alg,

include/crypto/algapi.h

+5 −2
Original line number Diff line number Diff line
@@ -47,14 +47,17 @@ struct crypto_type { 
	unsigned int tfmsize;

};



struct crypto_instance_freework {

	struct crypto_instance *instance;

	struct work_struct free_work;

};



struct crypto_instance {

	struct crypto_alg alg;



	struct crypto_template *tmpl;

	struct hlist_node list;



	struct work_struct free_work;



	void *__ctx[] CRYPTO_MINALIGN_ATTR;

};