return 0;
}
-/* read the 256 bytes PCI configuration space to check for multi-function */
+/* read the 256 bytes PCI configuration space to check the multi-function bit */
static bool is_pci_singlefunction(struct udev_device *dev) {
char filename[256];
FILE *f;
if (a1 + a2 + a3 + a4 + a5 + a6 == 0)
return -EINVAL;
- /* add IEEE Organizationally Unique Identifier */
+ /*
+ * IEEE Organizationally Unique Identifier vendor string
+ * skip commonly misused 00:00:00 (Xerox) prefix
+ */
if (a1 + a2 + a3 > 0) {
snprintf(str, sizeof(str), "OUI:%02X%02X%02X", a1, a2, a3);
udev_builtin_hwdb_lookup(dev, str, test);