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Subject[saeed:net-next 154/185] net/smc/smc_sysctl.h:23:16: warning: no previous prototype for 'smc_sysctl_net_init'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git net-next
head: 03200f4a126b1a08c0f16dea7f67e6bff9c83c90
commit: 7de8eb0d9039f16e1122d7aa524a1502a160c4ff [154/185] net/smc: fix compile warning for smc_sysctl
config: arc-randconfig-r016-20220308 (https://download.01.org/0day-ci/archive/20220308/202203081012.KgONXWsS-lkp@intel.com/config)
compiler: arceb-elf-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://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git/commit/?id=7de8eb0d9039f16e1122d7aa524a1502a160c4ff
git remote add saeed https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git
git fetch --no-tags saeed net-next
git checkout 7de8eb0d9039f16e1122d7aa524a1502a160c4ff
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash net/

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

All warnings (new ones prefixed by >>):

In file included from net/smc/af_smc.c:54:
>> net/smc/smc_sysctl.h:23:16: warning: no previous prototype for 'smc_sysctl_net_init' [-Wmissing-prototypes]
23 | int __net_init smc_sysctl_net_init(struct net *net)
| ^~~~~~~~~~~~~~~~~~~
>> net/smc/smc_sysctl.h:29:17: warning: no previous prototype for 'smc_sysctl_net_exit' [-Wmissing-prototypes]
29 | void __net_exit smc_sysctl_net_exit(struct net *net) { }
| ^~~~~~~~~~~~~~~~~~~


vim +/smc_sysctl_net_init +23 net/smc/smc_sysctl.h

22
> 23 int __net_init smc_sysctl_net_init(struct net *net)
24 {
25 net->smc.sysctl_autocorking_size = SMC_AUTOCORKING_DEFAULT_SIZE;
26 return 0;
27 }
28
> 29 void __net_exit smc_sysctl_net_exit(struct net *net) { }
30

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

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