40 	struct key *reg_keyring = READ_ONCE(user_ns->user_keyring_register);  in get_user_register()  local
42 	if (reg_keyring)  in get_user_register()
43 		return reg_keyring;  in get_user_register()
50 	reg_keyring = user_ns->user_keyring_register;  in get_user_register()
51 	if (!reg_keyring) {  in get_user_register()
52 		reg_keyring = keyring_alloc(".user_reg",  in get_user_register()
59 		if (!IS_ERR(reg_keyring))  in get_user_register()
61 					  reg_keyring);  in get_user_register()
67 	return reg_keyring;  in get_user_register()
79 	struct key *reg_keyring, *uid_keyring, *session_keyring;  in look_up_user_keyrings()  local
90 	reg_keyring = get_user_register(user_ns);  in look_up_user_keyrings()
91 	if (IS_ERR(reg_keyring))  in look_up_user_keyrings()
92 		return PTR_ERR(reg_keyring);  in look_up_user_keyrings()
102 	uid_keyring_r = keyring_search(make_key_ref(reg_keyring, true),  in look_up_user_keyrings()
110 					    NULL, reg_keyring);  in look_up_user_keyrings()
124 	session_keyring_r = keyring_search(make_key_ref(reg_keyring, true),  in look_up_user_keyrings()
148 		ret = key_link(reg_keyring, session_keyring);  in look_up_user_keyrings()
187 	struct key *reg_keyring = READ_ONCE(cred->user_ns->user_keyring_register);  in get_user_session_keyring_rcu()  local
201 	if (!reg_keyring)  in get_user_session_keyring_rcu()
208 	session_keyring_r = keyring_search_rcu(make_key_ref(reg_keyring, true),  in get_user_session_keyring_rcu()