lsm: Resolve KABI changes on lsm_notifier

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I692HU
CVE: NA

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

This patch is merged to resolve KABI changes introduces by the
backporting of commit 42df744c ("LSM: switch to blocking
policy update notifiers")
Signed-off-by: NGUO Zihua <guozihua@huawei.com>
Reviewed-by: NXiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: NYongqiang Liu <liuyongqiang13@huawei.com>

drivers/infiniband/core/device.c

@@ -1226,7 +1226,7 @@ static int __init ib_core_init(void)
 		goto err_mad;
 	}
 
-	ret = register_blocking_lsm_notifier(&ibdev_lsm_nb);
+	ret = register_lsm_notifier(&ibdev_lsm_nb);
 	if (ret) {
 		pr_warn("Couldn't register LSM notifier. ret %d\n", ret);
 		goto err_sa;
@@ -1262,7 +1262,7 @@ static void __exit ib_core_cleanup(void)
 	roce_gid_mgmt_cleanup();
 	nldev_exit();
 	rdma_nl_unregister(RDMA_NL_LS);
-	unregister_blocking_lsm_notifier(&ibdev_lsm_nb);
+	unregister_lsm_notifier(&ibdev_lsm_nb);
 	ib_sa_cleanup();
 	ib_mad_cleanup();
 	addr_cleanup();

drivers/infiniband/core/security.c

@@ -714,7 +714,7 @@ int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
 		goto free_security;
 
 	agent->lsm_nb.notifier_call = ib_mad_agent_security_change;
-	ret = register_blocking_lsm_notifier(&agent->lsm_nb);
+	ret = register_lsm_notifier(&agent->lsm_nb);
 	if (ret)
 		goto free_security;
 
@@ -733,7 +733,7 @@ void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
 		return;
 
 	if (agent->lsm_nb_reg)
-		unregister_blocking_lsm_notifier(&agent->lsm_nb);
+		unregister_lsm_notifier(&agent->lsm_nb);
 
 	security_ib_free_security(agent->security);
 }

include/linux/security.h

@@ -189,8 +189,8 @@ struct security_mnt_opts {
 };
 
 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
-int register_blocking_lsm_notifier(struct notifier_block *nb);
-int unregister_blocking_lsm_notifier(struct notifier_block *nb);
+int register_lsm_notifier(struct notifier_block *nb);
+int unregister_lsm_notifier(struct notifier_block *nb);
 
 static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
 {
@@ -411,12 +411,12 @@ static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
 	return 0;
 }
 
-static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
+static inline int register_lsm_notifier(struct notifier_block *nb)
 {
 	return 0;
 }
 
-static inline  int unregister_blocking_lsm_notifier(struct notifier_block *nb)
+static inline  int unregister_lsm_notifier(struct notifier_block *nb)
 {
 	return 0;
 }

security/integrity/ima/ima_main.c

@@ -563,7 +563,7 @@ static int __init init_ima(void)
 	if (error)
 		return error;
 
-	error = register_blocking_lsm_notifier(&ima_lsm_policy_notifier);
+	error = register_lsm_notifier(&ima_lsm_policy_notifier);
 	if (error)
 		pr_warn("Couldn't register LSM notifier, error %d\n", error);
 

security/security.c

@@ -187,19 +187,19 @@ int call_blocking_lsm_notifier(enum lsm_event event, void *data)
 }
 EXPORT_SYMBOL(call_blocking_lsm_notifier);
 
-int register_blocking_lsm_notifier(struct notifier_block *nb)
+int register_lsm_notifier(struct notifier_block *nb)
 {
 	return blocking_notifier_chain_register(&blocking_lsm_notifier_chain,
 						nb);
 }
-EXPORT_SYMBOL(register_blocking_lsm_notifier);
+EXPORT_SYMBOL(register_lsm_notifier);
 
-int unregister_blocking_lsm_notifier(struct notifier_block *nb)
+int unregister_lsm_notifier(struct notifier_block *nb)
 {
 	return blocking_notifier_chain_unregister(&blocking_lsm_notifier_chain,
 						  nb);
 }
-EXPORT_SYMBOL(unregister_blocking_lsm_notifier);
+EXPORT_SYMBOL(unregister_lsm_notifier);
 
 /*
  * Hook list operation macros.