From: davem@davemloft.net (David Miller)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv2] ipv4: ipconfig: avoid unused ic_proto_used symbol
Date: Fri, 29 Jan 2016 19:39:32 -0800 (PST) [thread overview]
Message-ID: <20160129.193932.2217883845698146411.davem@davemloft.net> (raw)
In-Reply-To: <2132183.67sfLfLqZb@wuerfel>
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 28 Jan 2016 17:39:24 +0100
> When CONFIG_PROC_FS, CONFIG_IP_PNP_BOOTP, CONFIG_IP_PNP_DHCP and
> CONFIG_IP_PNP_RARP are all disabled, we get a warning about the
> ic_proto_used variable being unused:
>
> net/ipv4/ipconfig.c:146:12: error: 'ic_proto_used' defined but not used [-Werror=unused-variable]
>
> This avoids the warning, by making the definition conditional on
> whether a dynamic IP configuration protocol is configured. If not,
> we know that the value is always zero, so we can optimize away the
> variable and all code that depends on it.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Applied.
prev parent reply other threads:[~2016-01-30 3:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-28 16:39 [PATCHv2] ipv4: ipconfig: avoid unused ic_proto_used symbol Arnd Bergmann
2016-01-30 3:39 ` David Miller [this message]
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