From mboxrd@z Thu Jan  1 00:00:00 1970
From: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Subject: Re: [PATCH net-next 1/5] bridge: initialize port flags
 with switchdev defaults
Date: Mon, 12 Mar 2018 11:44:14 -0700
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	<20180310030308.12947-2-igor.mitsyanko.os@quantenna.com>
	<20180310163050.GF29174@lunn.ch>
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To: Andrew Lunn <andrew@lunn.ch>
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On 03/10/2018 08:30 AM, Andrew Lunn wrote:
>> +
>> +     ret = switchdev_port_attr_get(dev, &attr);
>> +     if (ret)
>> +             return BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD;
> 
> 
> Hi Igor
> 
> Please check if ret == -EOPNOTSUPP and only then use the defaults. A
> real error should be propagated, causing new_nbp to fail. You might
> also consider what to do when ENODATA is returned.
> 
>       Andrew
> 

Hi Andrew,
ok, will change it so an error is propagated.
There is one more comment from Stephen suggesting that flags must be set 
in switchdev, rather then queried: this approach should take care about 
ENODATA I assume.