netdev - Re: [PATCH net-next 2/2] net/smc: Introduce IPPROTO

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Message-ID: <202405110124.GxQs28cK-lkp@intel.com>
Date: Sat, 11 May 2024 01:09:05 +0800
From: kernel test robot <lkp@...el.com>
To: "D. Wythe" <alibuda@...ux.alibaba.com>, kgraul@...ux.ibm.com,
	wenjia@...ux.ibm.com, jaka@...ux.ibm.com, wintera@...ux.ibm.com,
	guwen@...ux.alibaba.com
Cc: oe-kbuild-all@...ts.linux.dev, kuba@...nel.org, davem@...emloft.net,
	netdev@...r.kernel.org, linux-s390@...r.kernel.org,
	linux-rdma@...r.kernel.org, tonylu@...ux.alibaba.com,
	pabeni@...hat.com, edumazet@...gle.com
Subject: Re: [PATCH net-next 2/2] net/smc: Introduce IPPROTO_SMC

Hi Wythe,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/D-Wythe/net-smc-refatoring-initialization-of-smc-sock/20240510-121442
base:   net-next/main
patch link:    https://lore.kernel.org/r/1715314333-107290-3-git-send-email-alibuda%40linux.alibaba.com
patch subject: [PATCH net-next 2/2] net/smc: Introduce IPPROTO_SMC
config: i386-buildonly-randconfig-002-20240510 (https://download.01.org/0day-ci/archive/20240511/202405110124.GxQs28cK-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405110124.GxQs28cK-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405110124.GxQs28cK-lkp@intel.com/

All warnings (new ones prefixed by >>):

   net/smc/af_smc.c: In function 'smc_init':
>> net/smc/af_smc.c:3710:1: warning: label 'out_inet_prot' defined but not used [-Wunused-label]
    out_inet_prot:
    ^~~~~~~~~~~~~


vim +/out_inet_prot +3710 net/smc/af_smc.c

  3707	
  3708		static_branch_enable(&tcp_have_smc);
  3709		return 0;
> 3710	out_inet_prot:
  3711		inet_unregister_protosw(&smc_inet_protosw);
  3712		proto_unregister(&smc_inet_prot);
  3713	out_ulp:
  3714		tcp_unregister_ulp(&smc_ulp_ops);
  3715	out_lo:
  3716		smc_loopback_exit();
  3717	out_ib:
  3718		smc_ib_unregister_client();
  3719	out_sock:
  3720		sock_unregister(PF_SMC);
  3721	out_proto6:
  3722		proto_unregister(&smc_proto6);
  3723	out_proto:
  3724		proto_unregister(&smc_proto);
  3725	out_core:
  3726		smc_core_exit();
  3727	out_alloc_wqs:
  3728		destroy_workqueue(smc_close_wq);
  3729	out_alloc_hs_wq:
  3730		destroy_workqueue(smc_hs_wq);
  3731	out_alloc_tcp_ls_wq:
  3732		destroy_workqueue(smc_tcp_ls_wq);
  3733	out_pnet:
  3734		smc_pnet_exit();
  3735	out_nl:
  3736		smc_nl_exit();
  3737	out_ism:
  3738		smc_clc_exit();
  3739		smc_ism_exit();
  3740	out_pernet_subsys_stat:
  3741		unregister_pernet_subsys(&smc_net_stat_ops);
  3742	out_pernet_subsys:
  3743		unregister_pernet_subsys(&smc_net_ops);
  3744	
  3745		return rc;
  3746	}
  3747	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki