linux-kernel - [bvanassche:scsi-move-scsi-pointer 16/18] drivers/scsi/fdomain.c:122:22: warning: no previous prototype for function 'fdomain_scsi

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Message-ID: <202201162216.f5S0sjGW-lkp@intel.com>
Date:   Sun, 16 Jan 2022 22:57:06 +0800
From:   kernel test robot <lkp@...el.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [bvanassche:scsi-move-scsi-pointer 16/18]
 drivers/scsi/fdomain.c:122:22: warning: no previous prototype for function
 'fdomain_scsi_pointer'

tree:   https://github.com/bvanassche/linux scsi-move-scsi-pointer
head:   7173550f8dd7130891118452742bb6e99b63fd27
commit: 6eea006091e2b2b428a910feb8041bbb99aa707d [16/18] fdomain: Move the SCSI pointer to private command data
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220116/202201162216.f5S0sjGW-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c63a3175c2947e8c1a2d3bbe16a8586600705c54)
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/bvanassche/linux/commit/6eea006091e2b2b428a910feb8041bbb99aa707d
        git remote add bvanassche https://github.com/bvanassche/linux
        git fetch --no-tags bvanassche scsi-move-scsi-pointer
        git checkout 6eea006091e2b2b428a910feb8041bbb99aa707d
        # 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=i386 SHELL=/bin/bash drivers/scsi/

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 >>):

>> drivers/scsi/fdomain.c:122:22: warning: no previous prototype for function 'fdomain_scsi_pointer' [-Wmissing-prototypes]
   struct scsi_pointer *fdomain_scsi_pointer(struct scsi_cmnd *cmd)
                        ^
   drivers/scsi/fdomain.c:122:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct scsi_pointer *fdomain_scsi_pointer(struct scsi_cmnd *cmd)
   ^
   static 
   1 warning generated.


vim +/fdomain_scsi_pointer +122 drivers/scsi/fdomain.c

   121	
 > 122	struct scsi_pointer *fdomain_scsi_pointer(struct scsi_cmnd *cmd)
   123	{
   124		struct fdomain_priv *fcmd = scsi_cmd_priv(cmd);
   125	
   126		return &fcmd->scsi_pointer;
   127	}
   128	

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