r = write_string_file("/sys/module/kdbus/parameters/attach_flags_mask", buf);
if (r < 0)
return log_full_errno(
- r == -EROFS ? LOG_DEBUG : LOG_WARNING, r,
+ IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
"Failed to write kdbus attach mask: %m");
return 0;