1808 	char *serial_num;  in tls_connection_peer_serial_num()  local
1819 	serial_num = os_malloc(len);  in tls_connection_peer_serial_num()
1820 	if (!serial_num)  in tls_connection_peer_serial_num()
1822 	wpa_snprintf_hex_uppercase(serial_num, len,  in tls_connection_peer_serial_num()
1825 	return serial_num;  in tls_connection_peer_serial_num()
2374 	char serial_num[128];  in openssl_tls_cert_event()  local
2405 		wpa_snprintf_hex_uppercase(serial_num, sizeof(serial_num),  in openssl_tls_cert_event()
2408 		ev.peer_cert.serial_num = serial_num;  in openssl_tls_cert_event()
5604 	char serial_num[128];  in openssl_debug_dump_certificate()  local
5613 		wpa_snprintf_hex_uppercase(serial_num, sizeof(serial_num),  in openssl_debug_dump_certificate()
5617 		serial_num[0] = '\0';  in openssl_debug_dump_certificate()
5621 		   openssl_pkey_type_str(pkey), serial_num);  in openssl_debug_dump_certificate()