netdev - Re: [PATCH net-next] net: dsa: Fix legacy probing

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Message-Id: <20170617.230007.1693067369502743161.davem@davemloft.net>
Date:   Sat, 17 Jun 2017 23:00:07 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, jcobham@...stertangent.com
Subject: Re: [PATCH net-next] net: dsa: Fix legacy probing

From: Florian Fainelli <f.fainelli@...il.com>
Date: Fri, 16 Jun 2017 16:42:11 -0700

> After commit 6d3c8c0dd88a ("net: dsa: Remove master_netdev and
> use dst->cpu_dp->netdev") and a29342e73911 ("net: dsa: Associate
> slave network device with CPU port") we would be seeing NULL pointer
> dereferences when accessing dst->cpu_dp->netdev too early. In the legacy
> code, we actually know early in advance the master network device, so
> pass it down to the relevant functions.
> 
> Fixes: 6d3c8c0dd88a ("net: dsa: Remove master_netdev and use dst->cpu_dp->netdev")
> Fixes: a29342e73911 ("net: dsa: Associate slave network device with CPU port")
> Reported-by: Jason Cobham <jcobham@...stertangent.com>
> Tested-by: Jason Cobham <jcobham@...stertangent.com>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied, thanks.