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path: root/drivers/misc/pch_phub.c
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Diffstat (limited to 'drivers/misc/pch_phub.c')
-rw-r--r--drivers/misc/pch_phub.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index 931e635aa491..8b4d4fb9187b 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;