linux-kernel - Re: [RFC PATCH v2 net-next 3/8] net: dsa: ocelot: felix: NULL check on variable

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Message-ID: <20210710200628.uwwyzuuou242anzq@skbuf>
Date:   Sat, 10 Jul 2021 23:06:28 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Colin Foster <colin.foster@...advantage.com>
Cc:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        davem@...emloft.net, kuba@...nel.org, robh+dt@...nel.org,
        claudiu.manoil@....com, alexandre.belloni@...tlin.com,
        UNGLinuxDriver@...rochip.com, linux@...linux.org.uk,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 net-next 3/8] net: dsa: ocelot: felix: NULL check
 on variable

On Sat, Jul 10, 2021 at 12:25:57PM -0700, Colin Foster wrote:
> Add NULL check before dereferencing array
> 
> Signed-off-by: Colin Foster <colin.foster@...advantage.com>
> ---

The patch is correct but is insufficiently documented. In particular,
people might interpret it as a bug fix and backport it to stable
kernels.