pch_phub: Report error writing MAC back to user

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Stein 2014-03-05 10:44:57 +01:00 committed by Greg Kroah-Hartman
parent 35272754e2
commit a246b97358

View File

@ -636,6 +636,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
u8 mac[ETH_ALEN];
ssize_t rom_size;
struct pch_phub_reg *chip = dev_get_drvdata(dev);
int ret;
if (!mac_pton(buf, mac))
return -EINVAL;
@ -644,8 +645,10 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
if (!chip->pch_phub_extrom_base_address)
return -ENOMEM;
pch_phub_write_gbe_mac_addr(chip, mac);
ret = pch_phub_write_gbe_mac_addr(chip, mac);
pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
if (ret)
return ret;
return count;
}