linux-kernel - Re: packet: Improve exception handling in fanout

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Date: Tue, 2 Jan 2024 08:32:30 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Stephen Hemminger <stephen@...workplumber.org>, netdev@...r.kernel.org,
 kernel-janitors@...r.kernel.org
Cc: Willem de Bruijn <willemdebruijn.kernel@...il.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 LKML <linux-kernel@...r.kernel.org>
Subject: Re: packet: Improve exception handling in fanout_add()

> If you look at the existing coccinelle script there is even one
> to remove unnecessary checks for null before calling kfree.

The avoidance of extra pointer checks is an other use case than
omitting redundant function calls, isn't it?

Regards,
Markus