linux-kernel - [mcgrof:modules-next 1/10] kernel/module/main.c:4802:6: warning: no previous prototype for function 'module

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Message-ID: <202202210111.TM1W8D5R-lkp@intel.com>
Date:   Mon, 21 Feb 2022 01:45:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Aaron Tomlin <atomlin@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Luis Chamberlain <mcgrof@...nel.org>
Subject: [mcgrof:modules-next 1/10] kernel/module/main.c:4802:6: warning: no
 previous prototype for function 'module_layout'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next
head:   c55dc78176e6fe97a9e92d24a7ff3015b14ac858
commit: 87b31159f78ab89d8ccda30d3eb9966af51bca64 [1/10] module: Move all into module/
config: hexagon-randconfig-r041-20220220 (https://download.01.org/0day-ci/archive/20220221/202202210111.TM1W8D5R-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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/mcgrof/linux.git/commit/?id=87b31159f78ab89d8ccda30d3eb9966af51bca64
        git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git
        git fetch --no-tags mcgrof modules-next
        git checkout 87b31159f78ab89d8ccda30d3eb9966af51bca64
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash kernel/module/

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

All warnings (new ones prefixed by >>):

>> kernel/module/main.c:4802:6: warning: no previous prototype for function 'module_layout' [-Wmissing-prototypes]
   void module_layout(struct module *mod,
        ^
   kernel/module/main.c:4802:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void module_layout(struct module *mod,
   ^
   static 
   1 warning generated.


vim +/module_layout +4802 kernel/module/main.c

^1da177e4c3f41 kernel/module.c Linus Torvalds  2005-04-16  4796  
^1da177e4c3f41 kernel/module.c Linus Torvalds  2005-04-16  4797  #ifdef CONFIG_MODVERSIONS
24b9f0d2208145 kernel/module.c Sergey Shtylyov 2020-11-07  4798  /*
24b9f0d2208145 kernel/module.c Sergey Shtylyov 2020-11-07  4799   * Generate the signature for all relevant module structures here.
24b9f0d2208145 kernel/module.c Sergey Shtylyov 2020-11-07  4800   * If these change, we don't want to try to parse the module.
24b9f0d2208145 kernel/module.c Sergey Shtylyov 2020-11-07  4801   */
8c8ef42aee8fcf kernel/module.c Rusty Russell   2009-03-31 @4802  void module_layout(struct module *mod,

:::::: The code at line 4802 was first introduced by commit
:::::: 8c8ef42aee8fcfb4128bb94c50d55c9f80ade525 module: include other structures in module version check

:::::: TO: Rusty Russell <rusty@...tcorp.com.au>
:::::: CC: Rusty Russell <rusty@...tcorp.com.au>

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