linux-kernel - Re: [PATCH net-next v2 1/2] net: dsa: lantiq_gswip: Fix start index in gswip_port

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Message-ID: <20220519174738.bgsxpzu5fh4yz6ij@skbuf>
Date:   Thu, 19 May 2022 20:47:38 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, Hauke Mehrtens <hauke@...ke-m.de>
Subject: Re: [PATCH net-next v2 1/2] net: dsa: lantiq_gswip: Fix start index
 in gswip_port_fdb()

On Thu, May 19, 2022 at 12:00:50AM +0200, Martin Blumenstingl wrote:
> The first N entries in priv->vlans are reserved for managing ports which
> are not part of a bridge. Use priv->hw_info->max_ports to consistently
> access per-bridge entries at index 7. Starting at
> priv->hw_info->cpu_port (6) is harmless in this case because
> priv->vlan[6].bridge is always NULL so the comparison result is always
> false (which results in this entry being skipped).
> 
> Fixes: 58c59ef9e930c4 ("net: dsa: lantiq: Add Forwarding Database access")
> Acked-by: Hauke Mehrtens <hauke@...ke-m.de>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---

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