linux-kernel - Re: [PATCH] net: ipv4: ipconfig: fix unused variable

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Message-Id: <20180513.202807.2121809995463690066.davem@davemloft.net>
Date:   Sun, 13 May 2018 20:28:07 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     anders.roxell@...aro.org
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ipv4: ipconfig: fix unused variable

From: Anders Roxell <anders.roxell@...aro.org>
Date: Sun, 13 May 2018 21:48:30 +0200

> When CONFIG_PROC_FS isn't set, variable ipconfig_dir isn't used.
> net/ipv4/ipconfig.c:167:31: warning: ‘ipconfig_dir’ defined but not used [-Wunused-variable]
>  static struct proc_dir_entry *ipconfig_dir;
>                                ^~~~~~~~~~~~
> Move the declaration of ipconfig_dir inside the CONFIG_PROC_FS ifdef to
> fix the warning.
> 
> Fixes: c04d2cb2009f ("ipconfig: Write NTP server IPs to /proc/net/ipconfig/ntp_servers")
> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>

Applied.