}
/*
- * Do return devices with have an unknown type of parent device, they
- * might produce conflicting IDs below multiple independent parent
- * devices.
+ * Do not return devices with an unknown parent device type. They
+ * might produce conflicting IDs if the parent does not provide a
+ * unique and predictable name.
*/
if (!supported_parent) {
free(path);
}
/*
- * Do not return a have-only a single-parent block devices, some
- * have entire hidden buses behind it, and not create predictable
- * IDs that way.
+ * Do not return block devices without a well-known transport. Some
+ * devices do not expose their buses and do not provide a unique
+ * and predictable name that way.
*/
if (streq(udev_device_get_subsystem(dev), "block") && !supported_transport) {
free(path);