Re: [PATCH 37/50] usbnet: set addr_assign_type if random_ether_addr() used

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Oliver Neukum <oliver@xxxxxxxxxx> writes:

> Am Mittwoch, 8. Februar 2012, 22:10:44 schrieb Danny Kukawka:
>> Set addr_assign_type correctly to NET_ADDR_RANDOM in case
>> a random MAC address was generated and assigned to the netdevice.
>> 
>> Signed-off-by: Danny Kukawka <danny.kukawka@xxxxxxxxx>
>> ---
>>  drivers/net/usb/usbnet.c |    1 +
>>  1 files changed, 1 insertions(+), 0 deletions(-)
>> 
>> diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
>> index fae0fbd..7bd07d7 100644
>> --- a/drivers/net/usb/usbnet.c
>> +++ b/drivers/net/usb/usbnet.c
>> @@ -1365,6 +1365,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
>>  	dev->net = net;
>>  	strcpy (net->name, "usb%d");
>>  	memcpy (net->dev_addr, node_id, sizeof node_id);
>> +	net->addr_assign_type |= NET_ADDR_RANDOM;
>>  
>>  	/* rx and tx sides can use different message sizes;
>>  	 * bind() should set rx_urb_size in that case.
>
> Don't you set the flag too early here? By that time we don't know
> whether the device provides a real MAC, do we?

Maybe it makes sense to set it here anyway since usbnet provides this
default random address, and let the minidrivers which set a real mac
also clear the flag?  But in that case the patch need to clear the flag
everywhere a minidriver currently updates the address.


Bjørn
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