diff options
| -rw-r--r-- | drivers/misc/pch_phub.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c index 931e635aa49..8b4d4fb9187 100644 --- a/drivers/misc/pch_phub.c +++ b/drivers/misc/pch_phub.c @@ -633,17 +633,13 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr, static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - u8 mac[6]; + u8 mac[ETH_ALEN]; ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(dev); - if (count != 18) + if (!mac_pton(buf, mac)) return -EINVAL; - sscanf(buf, "%02x:%02x:%02x:%02x:%02x:%02x", - (u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3], - (u32 *)&mac[4], (u32 *)&mac[5]); - chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); if (!chip->pch_phub_extrom_base_address) return -ENOMEM; |