Re: [PATCH] hwmon: dell-smm-hwmon: remove unused variable warning

From: kernel test robot <lkp@intel.com>
To: "Arnd Bergmann" <arnd@kernel.org>, "Pali Rohár" <pali@kernel.org>,
	"Jean Delvare" <jdelvare@suse.com>,
	"Guenter Roeck" <linux@roeck-us.net>,
	"Armin Wolf" <W_Armin@gmx.de>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	Arnd Bergmann <arnd@arndb.de>,
	Carlos Alberto Lopez Perez <clopez@igalia.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Sebastian Oechsle <setboolean@icloud.com>,
	linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] hwmon: dell-smm-hwmon: remove unused variable warning
Date: Tue, 21 Sep 2021 06:19:38 +0800	[thread overview]
Message-ID: <202109210630.ClDXE65m-lkp@intel.com> (raw)
In-Reply-To: <20210920121421.93297-1-arnd@kernel.org>

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Hi Arnd,

I love your patch! Yet something to improve:

[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on v5.15-rc2 next-20210920]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Arnd-Bergmann/hwmon-dell-smm-hwmon-remove-unused-variable-warning/20210920-201938
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
config: x86_64-buildonly-randconfig-r002-20210920 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c8b3d7d6d6de37af68b2f379d0e37304f78e115f)
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/0day-ci/linux/commit/79c5da5ded917bfb113669f400fc547dcbe49b97
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Arnd-Bergmann/hwmon-dell-smm-hwmon-remove-unused-variable-warning/20210920-201938
        git checkout 79c5da5ded917bfb113669f400fc547dcbe49b97
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/hwmon/dell-smm-hwmon.c:609:30: error: unused variable 'i8k_proc_ops' [-Werror,-Wunused-const-variable]
   static const struct proc_ops i8k_proc_ops = {
                                ^
   1 error generated.

vim +/i8k_proc_ops +609 drivers/hwmon/dell-smm-hwmon.c

^1da177e4c3f4152 drivers/char/i8k.c             Linus Torvalds  2005-04-16  608  
97a32539b9568bb6 drivers/hwmon/dell-smm-hwmon.c Alexey Dobriyan 2020-02-03 @609  static const struct proc_ops i8k_proc_ops = {
97a32539b9568bb6 drivers/hwmon/dell-smm-hwmon.c Alexey Dobriyan 2020-02-03  610  	.proc_open	= i8k_open_fs,
97a32539b9568bb6 drivers/hwmon/dell-smm-hwmon.c Alexey Dobriyan 2020-02-03  611  	.proc_read	= seq_read,
97a32539b9568bb6 drivers/hwmon/dell-smm-hwmon.c Alexey Dobriyan 2020-02-03  612  	.proc_lseek	= seq_lseek,
97a32539b9568bb6 drivers/hwmon/dell-smm-hwmon.c Alexey Dobriyan 2020-02-03  613  	.proc_release	= single_release,
97a32539b9568bb6 drivers/hwmon/dell-smm-hwmon.c Alexey Dobriyan 2020-02-03  614  	.proc_ioctl	= i8k_ioctl,
039ae58503f33491 drivers/hwmon/dell-smm-hwmon.c Pali Rohár      2015-05-14  615  };
039ae58503f33491 drivers/hwmon/dell-smm-hwmon.c Pali Rohár      2015-05-14  616  

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

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