Subject: Re: [PATCH v1] net/ethtool/ioctl: ensure that we have phy ops before using them

From: Saeed Mahameed <[email-masked]>
Date: Wed, 16 Nov 2022 14:55:12 -0800

On 15 Nov 16:40, Andrew Lunn wrote:
>On Mon, Nov 14, 2022 at 09:07:05PM -0800, Jakub Kicinski wrote:
>> On Mon, 14 Nov 2022 11:15:32 +0300 Daniil Tatianin wrote:
>> > +	if (!(phydev && phy_ops && phy_ops->get_stats) &&
>> > +	    !ops->get_ethtool_phy_stats)
>>
>> This condition is still complicated.
>>
>> > +		return -EOPNOTSUPP;
>>
>> The only way this crash can happen is if driver incorrectly returns
>> non-zero stats count but doesn't have a callback to read the stats.
>> So WARN_ON() would be in order here.
>
>Hi Daniil
>
>I'm missing the patch itself, and b4 does not return it. Please

same! I only see Jakub's reply, maybe the patch didn't make it through to
netdev ML ?