r = write_string_file("/sys/power/resume", major_minor);
if (r < 0) {
- log_error("Failed to write '%s' to /sys/power/resume: %s", major_minor, strerror(-r));
+ log_error_errno(-r, "Failed to write '%s' to /sys/power/resume: %m", major_minor);
return EXIT_FAILURE;
}