linux-kernel - [krzk-github:n/power-max17042-maint 2549/3946] drivers/hwmon/nct6775.c:150:13: error: unused variable 'ioreg'

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Date:   Wed, 10 Nov 2021 13:04:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Denis Pauk <pauk.denis@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Bernhard Seibold <mail@...nhard-seibold.de>
Subject: [krzk-github:n/power-max17042-maint 2549/3946]
 drivers/hwmon/nct6775.c:150:13: error: unused variable 'ioreg'

tree:   https://github.com/krzk/linux n/power-max17042-maint
head:   6571f83efc55435b05ab8080fd5d22ba46185a08
commit: 52a017530b60bb3f6202dd1ffac5e1098c70c876 [2549/3946] hwmon: (nct6775) Use superio_*() function pointers in sio_data.
config: parisc-buildonly-randconfig-r006-20210928 (attached as .config)
compiler: hppa-linux-gcc (GCC) 11.2.0
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://github.com/krzk/linux/commit/52a017530b60bb3f6202dd1ffac5e1098c70c876
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github n/power-max17042-maint
        git checkout 52a017530b60bb3f6202dd1ffac5e1098c70c876
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=parisc 

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 >>):

   drivers/hwmon/nct6775.c: In function 'superio_outb':
>> drivers/hwmon/nct6775.c:150:13: error: unused variable 'ioreg' [-Werror=unused-variable]
     150 |         int ioreg = sio_data->sioreg;
         |             ^~~~~
   drivers/hwmon/nct6775.c: In function 'superio_select':
   drivers/hwmon/nct6775.c:166:13: error: unused variable 'ioreg' [-Werror=unused-variable]
     166 |         int ioreg = sio_data->sioreg;
         |             ^~~~~
   cc1: all warnings being treated as errors


vim +/ioreg +150 drivers/hwmon/nct6775.c

   147	
   148	static void superio_outb(struct nct6775_sio_data *sio_data, int reg, int val)
   149	{
 > 150		int ioreg = sio_data->sioreg;
   151	
   152		outb(reg, ioreg);
   153		outb(val, ioreg + 1);
   154	}
   155	

---
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" (25518 bytes)