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Date: Sun, 31 Dec 2023 14:44:21 -0800
From: Stephen Hemminger <stephen@networkplumber.org>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: netdev@vger.kernel.org, kernel-janitors@vger.kernel.org, "David S.
 Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub
 Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Willem de
 Bruijn <willemdebruijn.kernel@gmail.com>, LKML
 <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] packet: Improve exception handling in fanout_add()
Message-ID: <20231231144421.13ba1d04@hermes.local>
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On Sun, 31 Dec 2023 16:39:02 +0100
Markus Elfring <Markus.Elfring@web.de> wrote:

> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 31 Dec 2023 16:30:51 +0100
> 
> The kfree() function was called in some cases by the fanout_add() function
> even if the passed variable contained a null pointer.
> This issue was detected by using the Coccinelle software.
> 
> Thus use another label.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

NAK
kfree of null is perfectly fine. 
There is no need for this patch.