Sergei Shtylyov <sshtyl...@mvista.com> writes:
> On 11/21/2012 01:22 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>
>> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com>
>> Cc: linux-usb@vger.kernel.org
>> Cc: net...@vger.kernel.org
>> ---
>> drivers/net/usb/asix_devices.c | 24 +++++++++++++++++++++---
>> 1 file changed, 21 insertions(+), 3 deletions(-)
>
>> diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
>> index 33ab824..7ebec5b 100644
>> --- a/drivers/net/usb/asix_devices.c
>> +++ b/drivers/net/usb/asix_devices.c
>> @@ -225,7 +225,13 @@ static int ax88172_bind(struct usbnet *dev, struct
>> usb_interface *intf)
>> ret);
>> goto out;
>> }
>> - memcpy(dev->net->dev_addr, buf, ETH_ALEN);
>> +
>> + if (is_valid_ether_addr(buf)) {
>> + memcpy(dev->net->dev_addr, buf, ETH_ALEN);
>> + } else {
>> + netdev_info(dev->net, "invalid hw address, using random\n");
>> + eth_hw_addr_random(dev->net);
>> + }
>>
>> /* Initialize MII structure */
>> dev->mii.dev = dev->net;
[..]
>
> Repeated thrice, this asks to be put into subroutine...
Yes. Looking at the driver, this probably goes for most of the three
_bind() functions. There is a lot of common code there.
But more important wrt the eth_hw_addr_random() change: Does this
actually work with real devices? The driver implements a
asix_set_mac_address() which writes the address back to the device when
you change it. I assume there is a reason for doing that. Why don't
you do it here?
Bjørn
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