35 	int ret;  in key_get_type_from_user()  local
37 	ret = strncpy_from_user(type, _type, len);  in key_get_type_from_user()
38 	if (ret < 0)  in key_get_type_from_user()
39 		return ret;  in key_get_type_from_user()
40 	if (ret == 0 || ret >= len)  in key_get_type_from_user()
69 	long ret;  in SYSCALL_DEFINE5()  local
71 	ret = -EINVAL;  in SYSCALL_DEFINE5()
76 	ret = key_get_type_from_user(type, _type, sizeof(type));  in SYSCALL_DEFINE5()
77 	if (ret < 0)  in SYSCALL_DEFINE5()
84 			ret = PTR_ERR(description);  in SYSCALL_DEFINE5()
92 			ret = -EPERM;  in SYSCALL_DEFINE5()
101 		ret = -ENOMEM;  in SYSCALL_DEFINE5()
111 		ret = -EFAULT;  in SYSCALL_DEFINE5()
119 		ret = PTR_ERR(keyring_ref);  in SYSCALL_DEFINE5()
129 		ret = key_ref_to_ptr(key_ref)->serial;  in SYSCALL_DEFINE5()
133 		ret = PTR_ERR(key_ref);  in SYSCALL_DEFINE5()
142 	return ret;  in SYSCALL_DEFINE5()
168 	long ret;  in SYSCALL_DEFINE4()  local
171 	ret = key_get_type_from_user(type, _type, sizeof(type));  in SYSCALL_DEFINE4()
172 	if (ret < 0)  in SYSCALL_DEFINE4()
178 		ret = PTR_ERR(description);  in SYSCALL_DEFINE4()
188 			ret = PTR_ERR(callout_info);  in SYSCALL_DEFINE4()
200 			ret = PTR_ERR(dest_ref);  in SYSCALL_DEFINE4()
208 		ret = PTR_ERR(ktype);  in SYSCALL_DEFINE4()
217 		ret = PTR_ERR(key);  in SYSCALL_DEFINE4()
222 	ret = wait_for_key_construction(key, 1);  in SYSCALL_DEFINE4()
223 	if (ret < 0)  in SYSCALL_DEFINE4()
226 	ret = key->serial;  in SYSCALL_DEFINE4()
239 	return ret;  in SYSCALL_DEFINE4()
253 	long ret;  in keyctl_get_keyring_ID()  local
258 		ret = PTR_ERR(key_ref);  in keyctl_get_keyring_ID()
262 	ret = key_ref_to_ptr(key_ref)->serial;  in keyctl_get_keyring_ID()
265 	return ret;  in keyctl_get_keyring_ID()
281 	long ret;  in keyctl_join_session_keyring()  local
288 			ret = PTR_ERR(name);  in keyctl_join_session_keyring()
294 	ret = join_session_keyring(name);  in keyctl_join_session_keyring()
298 	return ret;  in keyctl_join_session_keyring()
317 	long ret;  in keyctl_update_key()  local
319 	ret = -EINVAL;  in keyctl_update_key()
326 		ret = -ENOMEM;  in keyctl_update_key()
331 		ret = -EFAULT;  in keyctl_update_key()
339 		ret = PTR_ERR(key_ref);  in keyctl_update_key()
344 	ret = key_update(key_ref, payload, plen);  in keyctl_update_key()
350 	return ret;  in keyctl_update_key()
366 	long ret;  in keyctl_revoke_key()  local
370 		ret = PTR_ERR(key_ref);  in keyctl_revoke_key()
371 		if (ret != -EACCES)  in keyctl_revoke_key()
375 			ret = PTR_ERR(key_ref);  in keyctl_revoke_key()
381 	ret = 0;  in keyctl_revoke_key()
385 	return ret;  in keyctl_revoke_key()
400 	long ret;  in keyctl_invalidate_key()  local
406 		ret = PTR_ERR(key_ref);  in keyctl_invalidate_key()
424 	ret = 0;  in keyctl_invalidate_key()
428 	kleave(" = %ld", ret);  in keyctl_invalidate_key()
429 	return ret;  in keyctl_invalidate_key()
442 	long ret;  in keyctl_keyring_clear()  local
446 		ret = PTR_ERR(keyring_ref);  in keyctl_keyring_clear()
463 	ret = keyring_clear(key_ref_to_ptr(keyring_ref));  in keyctl_keyring_clear()
467 	return ret;  in keyctl_keyring_clear()
484 	long ret;  in keyctl_keyring_link()  local
488 		ret = PTR_ERR(keyring_ref);  in keyctl_keyring_link()
494 		ret = PTR_ERR(key_ref);  in keyctl_keyring_link()
498 	ret = key_link(key_ref_to_ptr(keyring_ref), key_ref_to_ptr(key_ref));  in keyctl_keyring_link()
504 	return ret;  in keyctl_keyring_link()
519 	long ret;  in keyctl_keyring_unlink()  local
523 		ret = PTR_ERR(keyring_ref);  in keyctl_keyring_unlink()
529 		ret = PTR_ERR(key_ref);  in keyctl_keyring_unlink()
533 	ret = key_unlink(key_ref_to_ptr(keyring_ref), key_ref_to_ptr(key_ref));  in keyctl_keyring_unlink()
539 	return ret;  in keyctl_keyring_unlink()
562 	long ret;  in keyctl_describe_key()  local
581 		ret = PTR_ERR(key_ref);  in keyctl_describe_key()
590 	ret = -ENOMEM;  in keyctl_describe_key()
600 	ret = infolen + desclen + 1;  in keyctl_describe_key()
603 	if (buffer && buflen >= ret) {  in keyctl_describe_key()
607 			ret = -EFAULT;  in keyctl_describe_key()
614 	return ret;  in keyctl_describe_key()
635 	long ret;  in keyctl_keyring_search()  local
638 	ret = key_get_type_from_user(type, _type, sizeof(type));  in keyctl_keyring_search()
639 	if (ret < 0)  in keyctl_keyring_search()
644 		ret = PTR_ERR(description);  in keyctl_keyring_search()
651 		ret = PTR_ERR(keyring_ref);  in keyctl_keyring_search()
661 			ret = PTR_ERR(dest_ref);  in keyctl_keyring_search()
669 		ret = PTR_ERR(ktype);  in keyctl_keyring_search()
676 		ret = PTR_ERR(key_ref);  in keyctl_keyring_search()
679 		if (ret == -EAGAIN)  in keyctl_keyring_search()
680 			ret = -ENOKEY;  in keyctl_keyring_search()
686 		ret = key_permission(key_ref, KEY_NEED_LINK);  in keyctl_keyring_search()
687 		if (ret < 0)  in keyctl_keyring_search()
690 		ret = key_link(key_ref_to_ptr(dest_ref), key_ref_to_ptr(key_ref));  in keyctl_keyring_search()
691 		if (ret < 0)  in keyctl_keyring_search()
695 	ret = key_ref_to_ptr(key_ref)->serial;  in keyctl_keyring_search()
708 	return ret;  in keyctl_keyring_search()
725 	long ret;  in keyctl_read_key()  local
730 		ret = -ENOKEY;  in keyctl_read_key()
737 	ret = key_permission(key_ref, KEY_NEED_READ);  in keyctl_read_key()
738 	if (ret == 0)  in keyctl_read_key()
740 	if (ret != -EACCES)  in keyctl_read_key()
748 		ret = -EACCES;  in keyctl_read_key()
754 	ret = -EOPNOTSUPP;  in keyctl_read_key()
760 		ret = key_validate(key);  in keyctl_read_key()
761 		if (ret == 0)  in keyctl_read_key()
762 			ret = key->type->read(key, buffer, buflen);  in keyctl_read_key()
769 	return ret;  in keyctl_read_key()
792 	long ret;  in keyctl_chown_key()  local
798 	ret = -EINVAL;  in keyctl_chown_key()
804 	ret = 0;  in keyctl_chown_key()
811 		ret = PTR_ERR(key_ref);  in keyctl_chown_key()
818 	ret = -EACCES;  in keyctl_chown_key()
834 		ret = -ENOMEM;  in keyctl_chown_key()
880 	ret = 0;  in keyctl_chown_key()
888 	return ret;  in keyctl_chown_key()
893 	ret = -EDQUOT;  in keyctl_chown_key()
908 	long ret;  in keyctl_setperm_key()  local
910 	ret = -EINVAL;  in keyctl_setperm_key()
917 		ret = PTR_ERR(key_ref);  in keyctl_setperm_key()
924 	ret = -EACCES;  in keyctl_setperm_key()
930 		ret = 0;  in keyctl_setperm_key()
936 	return ret;  in keyctl_setperm_key()
1012 	long ret;  in keyctl_instantiate_key_common()  local
1019 	ret = -EINVAL;  in keyctl_instantiate_key_common()
1025 	ret = -EPERM;  in keyctl_instantiate_key_common()
1038 		ret = -ENOMEM;  in keyctl_instantiate_key_common()
1048 		ret = -EFAULT;  in keyctl_instantiate_key_common()
1055 	ret = get_instantiation_keyring(ringid, rka, &dest_keyring);  in keyctl_instantiate_key_common()
1056 	if (ret < 0)  in keyctl_instantiate_key_common()
1060 	ret = key_instantiate_and_link(rka->target_key, payload, plen,  in keyctl_instantiate_key_common()
1067 	if (ret == 0)  in keyctl_instantiate_key_common()
1073 	return ret;  in keyctl_instantiate_key_common()
1093 		int ret;  in keyctl_instantiate_key()  local
1095 		ret = import_single_range(WRITE, (void __user *)_payload, plen,  in keyctl_instantiate_key()
1097 		if (unlikely(ret))  in keyctl_instantiate_key()
1098 			return ret;  in keyctl_instantiate_key()
1122 	long ret;  in keyctl_instantiate_key_iov()  local
1127 	ret = import_iovec(WRITE, _payload_iov, ioc,  in keyctl_instantiate_key_iov()
1129 	if (ret < 0)  in keyctl_instantiate_key_iov()
1130 		return ret;  in keyctl_instantiate_key_iov()
1131 	ret = keyctl_instantiate_key_common(id, &from, ringid);  in keyctl_instantiate_key_iov()
1133 	return ret;  in keyctl_instantiate_key_iov()
1177 	long ret;  in keyctl_reject_key()  local
1192 	ret = -EPERM;  in keyctl_reject_key()
1203 	ret = get_instantiation_keyring(ringid, rka, &dest_keyring);  in keyctl_reject_key()
1204 	if (ret < 0)  in keyctl_reject_key()
1208 	ret = key_reject_and_link(rka->target_key, timeout, error,  in keyctl_reject_key()
1215 	if (ret == 0)  in keyctl_reject_key()
1219 	return ret;  in keyctl_reject_key()
1232 	int ret, old_setting;  in keyctl_set_reqkey_keyring()  local
1245 		ret = install_thread_keyring_to_cred(new);  in keyctl_set_reqkey_keyring()
1246 		if (ret < 0)  in keyctl_set_reqkey_keyring()
1251 		ret = install_process_keyring_to_cred(new);  in keyctl_set_reqkey_keyring()
1252 		if (ret < 0) {  in keyctl_set_reqkey_keyring()
1253 			if (ret != -EEXIST)  in keyctl_set_reqkey_keyring()
1255 			ret = 0;  in keyctl_set_reqkey_keyring()
1269 		ret = -EINVAL;  in keyctl_set_reqkey_keyring()
1279 	return ret;  in keyctl_set_reqkey_keyring()
1298 	long ret;  in keyctl_set_timeout()  local
1317 		ret = PTR_ERR(key_ref);  in keyctl_set_timeout()
1326 	ret = 0;  in keyctl_set_timeout()
1328 	return ret;  in keyctl_set_timeout()
1351 	long ret;  in keyctl_assume_authority()  local
1354 	ret = -EINVAL;  in keyctl_assume_authority()
1360 		ret = keyctl_change_reqkey_auth(NULL);  in keyctl_assume_authority()
1371 		ret = PTR_ERR(authkey);  in keyctl_assume_authority()
1375 	ret = keyctl_change_reqkey_auth(authkey);  in keyctl_assume_authority()
1376 	if (ret < 0)  in keyctl_assume_authority()
1380 	ret = authkey->serial;  in keyctl_assume_authority()
1382 	return ret;  in keyctl_assume_authority()
1402 	long ret;  in keyctl_get_security()  local
1422 	ret = security_key_getsecurity(key, &context);  in keyctl_get_security()
1423 	if (ret == 0) {  in keyctl_get_security()
1426 		ret = 1;  in keyctl_get_security()
1429 			ret = -EFAULT;  in keyctl_get_security()
1430 	} else if (ret > 0) {  in keyctl_get_security()
1433 			if (buflen > ret)  in keyctl_get_security()
1434 				buflen = ret;  in keyctl_get_security()
1437 				ret = -EFAULT;  in keyctl_get_security()
1444 	return ret;  in keyctl_get_security()
1466 	int ret;  in keyctl_session_to_parent()  local
1472 	ret = -ENOMEM;  in keyctl_session_to_parent()
1490 	ret = -EPERM;  in keyctl_session_to_parent()
1508 		ret = 0;  in keyctl_session_to_parent()
1533 	ret = task_work_add(parent, newwork, true);  in keyctl_session_to_parent()
1534 	if (!ret)  in keyctl_session_to_parent()
1543 	return ret;  in keyctl_session_to_parent()
1547 	return ret;  in keyctl_session_to_parent()