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Date: Thu, 06 Dec 2012 22:25:56 -0500 (EST) From: David Miller <davem@...emloft.net> To: dinggnu@...il.com Cc: ebiederm@...ssion.com, edumazet@...gle.com, xemul@...allels.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] net: core: fix unused variable sparse warning From: Cong Ding <dinggnu@...il.com> Date: Fri, 7 Dec 2012 00:15:47 +0000 > On Fri, Dec 07, 2012 at 12:06:44AM +0000, Cong Ding wrote: >> the variables zero and unres_qlen_max are only used when CONFIG_SYSCTL is >> defined, otherwise it causes the following sparse warning when we turn on >> CONFIG_SYSCTL. > sorry for disturbing again, the sparse warning is > net/core/neighbour.c:65:12: warning: ‘zero’ defined but not used [-Wunused-variable] > net/core/neighbour.c:66:12: warning: ‘unres_qlen_max’ defined but not used [-Wunused-variable] > > it happens if we turn off CONFIG_SYSCTL. A patch for this has already in my tree for nearly a whole day.
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