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

kernel test robot
2024-05-10T18:32:31Z

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: x86_64-randconfig-002-20240510 (https://download.01.org/0day-ci/archive/20240511/202405110225.7378HJe1-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405110225.7378HJe1-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405110225.7378HJe1-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/smc/af_smc.c:3710:1: warning: unused label 'out_inet_prot' [-Wunused-label]
3710 | out_inet_prot:
| ^~~~~~~~~~~~~~
1 warning generated.

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

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