netdev - Re: [PATCH net] ethtool: fix the check logic of at least one channel for RX/TX

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Date:   Tue, 23 Feb 2021 17:02:06 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Michal Kubecek <mkubecek@...e.cz>
Cc:     Simon Horman <simon.horman@...ronome.com>,
        David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
        oss-drivers@...ronome.com,
        Yinjun Zhang <yinjun.zhang@...igine.com>,
        Louis Peens <louis.peens@...ronome.com>
Subject: Re: [PATCH net] ethtool: fix the check logic of at least one
 channel for RX/TX

On Wed, 24 Feb 2021 01:32:51 +0100 Michal Kubecek wrote:
> On Tue, Feb 23, 2021 at 02:24:40PM +0100, Simon Horman wrote:
> > From: Yinjun Zhang <yinjun.zhang@...igine.com>
> > 
> > The command "ethtool -L <intf> combined 0" may clean the RX/TX channel
> > count and skip the error path, since the attrs
> > tb[ETHTOOL_A_CHANNELS_RX_COUNT] and tb[ETHTOOL_A_CHANNELS_TX_COUNT]
> > are NULL in this case when recent ethtool is used.
> > 
> > Tested using ethtool v5.10.
> > 
> > Fixes: 7be92514b99c ("ethtool: check if there is at least one channel for TX/RX in the core")
> > Signed-off-by: Yinjun Zhang <yinjun.zhang@...igine.com>
> > Signed-off-by: Simon Horman <simon.horman@...ronome.com>
> > Signed-off-by: Louis Peens <louis.peens@...ronome.com>  
> 
> Reviewed-by: Michal Kubecek <mkubecek@...e.cz>

IOW you prefer this to what I proposed?