[openeuler:OLK-5.10 26549/30000] kernel/static_call_inline.c:458:5: warning: no previous prototype for 'klp_static_call_register'

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

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   b32a887db4e5c4c061e61977efabbc1d5e867aa7
commit: 581f41f797bd88092689c43c47ee06a8ab2eec7f [26549/30000] static_call: Don't make __static_call_return0 static
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20240828/202408280714.V3WjAG3t-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240828/202408280714.V3WjAG3t-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/202408280714.V3WjAG3t-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/static_call_inline.c:458:5: warning: no previous prototype for 'klp_static_call_register' [-Wmissing-prototypes]
     458 | int klp_static_call_register(struct module *mod)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/klp_static_call_register +458 kernel/static_call_inline.c

   457	
 > 458	int klp_static_call_register(struct module *mod)
   459	{
   460		int ret;
   461	
   462		ret = static_call_module_notify(&static_call_module_nb, MODULE_STATE_COMING, mod);
   463		return notifier_to_errno(ret);
   464	}
   465	

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