udev: net_id - clarify comments
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@ -91,7 +91,7 @@ static int dev_pci_onboard(struct udev_device *dev, struct udev_device *parent,
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return 0;
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return 0;
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}
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}
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/* read the 256 bytes PCI configuration space to check for multi-function */
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/* read the 256 bytes PCI configuration space to check the multi-function bit */
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static bool is_pci_singlefunction(struct udev_device *dev) {
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static bool is_pci_singlefunction(struct udev_device *dev) {
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char filename[256];
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char filename[256];
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FILE *f;
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FILE *f;
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@ -224,7 +224,10 @@ static int dev_mac(struct udev_device *dev, const char *prefix, bool test) {
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if (a1 + a2 + a3 + a4 + a5 + a6 == 0)
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if (a1 + a2 + a3 + a4 + a5 + a6 == 0)
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return -EINVAL;
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return -EINVAL;
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/* add IEEE Organizationally Unique Identifier */
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/*
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* IEEE Organizationally Unique Identifier vendor string
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* skip commonly misused 00:00:00 (Xerox) prefix
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*/
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if (a1 + a2 + a3 > 0) {
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if (a1 + a2 + a3 > 0) {
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snprintf(str, sizeof(str), "OUI:%02X%02X%02X", a1, a2, a3);
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snprintf(str, sizeof(str), "OUI:%02X%02X%02X", a1, a2, a3);
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udev_builtin_hwdb_lookup(dev, str, test);
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udev_builtin_hwdb_lookup(dev, str, test);
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