linux-kernel - Re: [PATCH net] net: dsa: bcm

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Message-ID: <20191103000123.GD417753@t480s.localdomain>
Date:   Sun, 3 Nov 2019 00:01:23 -0400
From:   Vivien Didelot <vivien.didelot@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, rmk+kernel@...linux.org.uk,
        hkallweit1@...il.com, Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net] net: dsa: bcm_sf2: Fix driver removal

On Sat,  2 Nov 2019 20:17:39 -0700, Florian Fainelli <f.fainelli@...il.com> wrote:
> With the DSA core doing the call to dsa_port_disable() we do not need to
> do that within the driver itself. This could cause an use after free
> since past dsa_unregister_switch() we should not be accessing any
> dsa_switch internal structures.
> 
> Fixes: 0394a63acfe2 ("net: dsa: enable and disable all ports")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Reviewed-by: Vivien Didelot <vivien.didelot@...il.com>