netdev - Re: [PATCH net] net: dsa: mt7530: correct ds->num

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Message-Id: <20211018084230.6710-1-dqfext@gmail.com>
Date:   Mon, 18 Oct 2021 16:42:30 +0800
From:   DENG Qingfang <dqfext@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: mt7530: correct ds->num_ports

On Sat, Oct 16, 2021 at 07:36:14PM -0700, Florian Fainelli wrote:
> On 10/15/2021 11:24 PM, DENG Qingfang wrote:
> > Setting ds->num_ports to DSA_MAX_PORTS made DSA core allocate unnecessary
> > dsa_port's and call mt7530_port_disable for non-existent ports.
> > 
> > Set it to MT7530_NUM_PORTS to fix that, and dsa_is_user_port check in
> > port_enable/disable is no longer required.
> > 
> > Cc: stable@...r.kernel.org
> > Signed-off-by: DENG Qingfang <dqfext@...il.com>
> 
> Do you really want to target the net tree for this change?

Yes because I consider this a bug fix.