linux-kernel - Re: [PATCH] netfilter: ip6_tables: remove redundant assignment to e

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Date:   Mon, 6 Nov 2017 14:18:51 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Colin King <colin.king@...onical.com>
Cc:     Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>,
        "David S . Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netfilter: ip6_tables: remove redundant assignment to e

On Tue, Oct 17, 2017 at 01:02:00PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The assignment to variable e is redundant since the same assignment
> occurs just a few lines later, hence it can be removed.  Cleans up
> clang warning: warning: Value stored to 'e' is never read

Seems like net/ipv4/netfilter/ip_tables.c also has exactly the same
redundant assignment, see mark_source_chains() there.

If we can fix this all iptables spots in one go, the best. Please,
also check arp_tables and ebtables.

Thanks!