Re: [PATCH RFC net-next] net/smc: Unbind buffer size from clcsock and make it tunable

[kernel test robot <lkp@intel.com>]

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Hi Tony,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Tony-Lu/net-smc-Unbind-buffer-size-from-clcsock-and-make-it-tunable/20211122-215118
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 89f971182417cb27abd82cfc48a7f36b99352ddc
config: mips-randconfig-r032-20211122 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/f8b865aff3164098137794ac439371b2391c836b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tony-Lu/net-smc-Unbind-buffer-size-from-clcsock-and-make-it-tunable/20211122-215118
        git checkout f8b865aff3164098137794ac439371b2391c836b
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash net/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   net/smc/smc_sysctl.c: In function 'smc_sysctl_init_net':
>> net/smc/smc_sysctl.c:50:17: error: 'struct netns_smc' has no member named 'smc_hdr'
      50 |         net->smc.smc_hdr = register_net_sysctl(net, "net/smc", table);
         |                 ^
   net/smc/smc_sysctl.c:51:22: error: 'struct netns_smc' has no member named 'smc_hdr'
      51 |         if (!net->smc.smc_hdr)
         |                      ^
   net/smc/smc_sysctl.c: In function 'smc_sysctl_exit_net':
   net/smc/smc_sysctl.c:65:45: error: 'struct netns_smc' has no member named 'smc_hdr'
      65 |         unregister_net_sysctl_table(net->smc.smc_hdr);
         |                                             ^
   net/smc/smc_sysctl.c: At top level:
   net/smc/smc_sysctl.c:73:12: warning: no previous prototype for 'smc_sysctl_init' [-Wmissing-prototypes]
      73 | int __init smc_sysctl_init(void)
         |            ^~~~~~~~~~~~~~~
   net/smc/smc_sysctl.c:78:6: warning: no previous prototype for 'smc_sysctl_exit' [-Wmissing-prototypes]
      78 | void smc_sysctl_exit(void)
         |      ^~~~~~~~~~~~~~~
--
   In file included from net/smc/af_smc.c:54:
>> net/smc/smc_sysctl.h:13:5: warning: no previous prototype for 'smc_sysctl_init' [-Wmissing-prototypes]
      13 | int smc_sysctl_init(void)
         |     ^~~~~~~~~~~~~~~
>> net/smc/smc_sysctl.h:18:6: warning: no previous prototype for 'smc_sysctl_exit' [-Wmissing-prototypes]
      18 | void smc_sysctl_exit(void) { }
         |      ^~~~~~~~~~~~~~~


vim +50 net/smc/smc_sysctl.c

    33	
    34	static __net_init int smc_sysctl_init_net(struct net *net)
    35	{
    36		struct ctl_table *table;
    37	
    38		table = smc_table;
    39		if (!net_eq(net, &init_net)) {
    40			int i;
    41	
    42			table = kmemdup(table, sizeof(smc_table), GFP_KERNEL);
    43			if (!table)
    44				goto err_alloc;
    45	
    46			for (i = 0; i < ARRAY_SIZE(smc_table) - 1; i++)
    47				table[i].data += (void *)net - (void *)&init_net;
    48		}
    49	
  > 50		net->smc.smc_hdr = register_net_sysctl(net, "net/smc", table);
    51		if (!net->smc.smc_hdr)
    52			goto err_reg;
    53	
    54		return 0;
    55	
    56	err_reg:
    57		if (!net_eq(net, &init_net))
    58			kfree(table);
    59	err_alloc:
    60		return -ENOMEM;
    61	}
    62	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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