linux-kernel - arch/sparc/kernel/led.c:107:30: error: 'led_proc

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Date:   Sat, 14 Nov 2020 21:09:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: arch/sparc/kernel/led.c:107:30: error: 'led_proc_ops' defined but
 not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f01c30de86f1047e9bae1b1b1417b0ce8dcd15b1
commit: 97a32539b9568bb653683349e5a76d02ff3c3e2c proc: convert everything to "struct proc_ops"
date:   9 months ago
config: sparc-randconfig-r033-20201114 (attached as .config)
compiler: sparc-linux-gcc (GCC) 9.3.0
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/torvalds/linux.git/commit/?id=97a32539b9568bb653683349e5a76d02ff3c3e2c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 97a32539b9568bb653683349e5a76d02ff3c3e2c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All errors (new ones prefixed by >>):

>> arch/sparc/kernel/led.c:107:30: error: 'led_proc_ops' defined but not used [-Werror=unused-const-variable=]
     107 | static const struct proc_ops led_proc_ops = {
         |                              ^~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +/led_proc_ops +107 arch/sparc/kernel/led.c

   106	
 > 107	static const struct proc_ops led_proc_ops = {
   108		.proc_open	= led_proc_open,
   109		.proc_read	= seq_read,
   110		.proc_lseek	= seq_lseek,
   111		.proc_release	= single_release,
   112		.proc_write	= led_proc_write,
   113	};
   114	

---
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" (24413 bytes)