linux-kernel - Re: [PATCH net 3/7] lan78xx: Check for supported Wake-on-LAN modes

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Date:   Tue, 25 Sep 2018 10:26:25 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Woojung.Huh@...rochip.com, netdev@...r.kernel.org
Cc:     davem@...emloft.net, UNGLinuxDriver@...rochip.com,
        steve.glendinning@...well.net, keescook@...omium.org,
        akurz@...la.de, hayeswang@...ltek.com, kai.heng.feng@...onical.com,
        grundler@...omium.org, zhongjiang@...wei.com,
        bigeasy@...utronix.de, ran.wang_1@....com, edumazet@...gle.com,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 3/7] lan78xx: Check for supported Wake-on-LAN modes

On 09/25/2018 10:19 AM, Woojung.Huh@...rochip.com wrote:
> Hi Florian,
> 
>> @@ -1415,6 +1415,9 @@ static int lan78xx_set_wol(struct net_device *netdev,
>>  	if (wol->wolopts & WAKE_ARP)
>>  		pdata->wol |= WAKE_ARP;
>>
>> +	if (pdata->wol == 0)
>> +		return -EINVAL;
>> +
> It will make function return when disabling WOL.

Huh, yes, good point.

> Is there other place handling this scenario?

How do you mean?

> 
>>  	device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts);
>>
>>  	phy_ethtool_set_wol(netdev->phydev, wol);
> 
> 
> Thanks.
> Woojung
> 


-- 
Florian