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From: Vladimir Oltean <olteanv@gmail.com>
To: DENG Qingfang <dqfext@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>,
	Landen Chao <Landen.Chao@mediatek.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Russell King <linux@armlinux.org.uk>,
	"open list:MEDIATEK SWITCH DRIVER" <netdev@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@lists.infradead.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next] net: dsa: mt7530: fix VLAN traffic leaks again
Date: Wed, 11 Aug 2021 13:01:22 +0300	[thread overview]
Message-ID: <20210811100122.hntia6od6qdc6dvd@skbuf> (raw)
In-Reply-To: <20210811095043.1700061-1-dqfext@gmail.com>

On Wed, Aug 11, 2021 at 05:50:43PM +0800, DENG Qingfang wrote:
> When a port leaves a VLAN-aware bridge, the current code does not clear
> other ports' matrix field bit. If the bridge is later set to VLAN-unaware
> mode, traffic in the bridge may leak to that port.
> 
> Remove the VLAN filtering check in mt7530_port_bridge_leave.
> 
> Fixes: 474a2ddaa192 ("net: dsa: mt7530: fix VLAN traffic leaks")
> Fixes: 83163f7dca56 ("net: dsa: mediatek: add VLAN support for MT7530")
> Signed-off-by: DENG Qingfang <dqfext@gmail.com>
> ---

That hunk looked indeed very strange when I went over it with commit
'net: dsa: remove the "dsa_to_port in a loop" antipattern from drivers',
so I'm happy to see it go away.

Reviewed-by: Vladimir Oltean <olteanv@gmail.com>

  reply	other threads:[~2021-08-11 10:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-11  9:50 DENG Qingfang
2021-08-11 10:01 ` Vladimir Oltean [this message]
2021-08-12 10:00 ` patchwork-bot+netdevbpf

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