linux-kernel - drivers/net/dsa/ocelot/seville_vsc9953.c:1107:34: warning: unused variable 'seville_of

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Message-ID: <202108140630.bJfySl5j-lkp@intel.com>
Date:   Sat, 14 Aug 2021 06:23:34 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: drivers/net/dsa/ocelot/seville_vsc9953.c:1107:34: warning: unused
 variable 'seville_of_match'

Hi Vladimir,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f8e6dfc64f6135d1b6c5215c14cd30b9b60a0008
commit: d60bc62de4ae068ed4b215c24cdfdd5035aa986e net: dsa: seville: build as separate module
date:   11 months ago
config: x86_64-randconfig-r014-20210814 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 62df4df41c939205b2dc0a2a3bfb75b8c1ed74fa)
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/torvalds/linux.git/commit/?id=d60bc62de4ae068ed4b215c24cdfdd5035aa986e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout d60bc62de4ae068ed4b215c24cdfdd5035aa986e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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/net/dsa/ocelot/seville_vsc9953.c:1107:34: warning: unused variable 'seville_of_match' [-Wunused-const-variable]
   static const struct of_device_id seville_of_match[] = {
                                    ^
   1 warning generated.


vim +/seville_of_match +1107 drivers/net/dsa/ocelot/seville_vsc9953.c

84705fc165526e Maxim Kochetkov 2020-07-13  1106  
84705fc165526e Maxim Kochetkov 2020-07-13 @1107  static const struct of_device_id seville_of_match[] = {
84705fc165526e Maxim Kochetkov 2020-07-13  1108  	{ .compatible = "mscc,vsc9953-switch" },
84705fc165526e Maxim Kochetkov 2020-07-13  1109  	{ },
84705fc165526e Maxim Kochetkov 2020-07-13  1110  };
84705fc165526e Maxim Kochetkov 2020-07-13  1111  MODULE_DEVICE_TABLE(of, seville_of_match);
84705fc165526e Maxim Kochetkov 2020-07-13  1112  

:::::: The code at line 1107 was first introduced by commit
:::::: 84705fc165526e8e55d208b2b10a48cc720a106a net: dsa: felix: introduce support for Seville VSC9953 switch

:::::: TO: Maxim Kochetkov <fido_max@...ox.ru>
:::::: CC: David S. Miller <davem@...emloft.net>

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

Download attachment ".config.gz" of type "application/gzip" (33661 bytes)