linux-kernel - Re: [PATCH] net: ipv4: avoid unused variable warning for sysctl

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Date:   Thu, 01 Mar 2018 13:38:49 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, jishi@...hat.com,
        sd@...asysnail.net, sbrivio@...hat.com, dsahern@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ipv4: avoid unused variable warning for sysctl

From: Arnd Bergmann <arnd@...db.de>
Date: Wed, 28 Feb 2018 14:32:48 +0100

> The newly introudced ip_min_valid_pmtu variable is only used when
> CONFIG_SYSCTL is set:
> 
> net/ipv4/route.c:135:12: error: 'ip_min_valid_pmtu' defined but not used [-Werror=unused-variable]
> 
> This moves it to the other variables like it, to avoid the harmless
> warning.
> 
> Fixes: c7272c2f1229 ("net: ipv4: don't allow setting net.ipv4.route.min_pmtu below 68")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thanks Arnd.