From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikolay Borisov Subject: Re: linux-next: build warning after merge of the net-next tree Date: Mon, 15 Feb 2016 10:01:13 +0200 Message-ID: <56C185C9.4020407@kyup.com> References: <20160215130941.4ce2ae28@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160215130941.4ce2ae28@canb.auug.org.au> Sender: linux-kernel-owner@vger.kernel.org To: Stephen Rothwell , David Miller , netdev@vger.kernel.org Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-next.vger.kernel.org On 02/15/2016 04:09 AM, Stephen Rothwell wrote: > Hi all, > > After merging the net-next tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: > > net/ipv4/igmp.c: In function 'igmp_group_added': > net/ipv4/igmp.c:1227:14: warning: unused variable 'net' [-Wunused-variable] > struct net *net = dev_net(in_dev->dev); > ^ > net/ipv4/igmp.c: In function 'ip_mc_inc_group': > net/ipv4/igmp.c:1319:14: warning: unused variable 'net' [-Wunused-variable] > struct net *net = dev_net(in_dev->dev); > ^ > net/ipv4/igmp.c: In function 'ip_mc_init_dev': > net/ipv4/igmp.c:1646:14: warning: unused variable 'net' [-Wunused-variable] > struct net *net = dev_net(in_dev->dev); > ^ > net/ipv4/igmp.c: In function 'ip_mc_up': > net/ipv4/igmp.c:1665:14: warning: unused variable 'net' [-Wunused-variable] > struct net *net = dev_net(in_dev->dev); > ^ > > Introduced by commits > > 87a8a2ae65b7 ("igmp: Namespaceify igmp_llm_reports sysctl knob") > 165094afcee7 ("igmp: Namespacify igmp_qrv sysctl knob") > > CONFIG_IP_MULTICAST is not set for this build. Right, I have forgotten to add the ifdef guards for the respective variables, will squeeze a patch in the next series on namespaceifying various sysctls. Thanks for testing!