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udev: net_id - clarify comments

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This commit is contained in:
Kay Sievers 2012-12-03 15:47:18 +01:00
parent b779821b8f
commit 137661d875
1 changed files with 5 additions and 2 deletions
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7
src/udev/udev-builtin-net_id.c
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@ -91,7 +91,7 @@ static int dev_pci_onboard(struct udev_device *dev, struct udev_device *parent,
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;
@ -224,7 +224,10 @@ static int dev_mac(struct udev_device *dev, const char *prefix, bool test) {
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);