linux-kernel - [pdx86-platform-drivers-x86:review-hans 40/59] drivers/platform/mellanox/nvsw-sn2201.c:942:16: warning: variable 'j' set but not used

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Message-ID: <202205120232.oCAO8rb3-lkp@intel.com>
Date:   Thu, 12 May 2022 02:50:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michael Shych <michaelsh@...dia.com>
Cc:     kbuild-all@...ts.01.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-kernel@...r.kernel.org, Vadim Pasternak <vadimp@...dia.com>
Subject: [pdx86-platform-drivers-x86:review-hans 40/59]
 drivers/platform/mellanox/nvsw-sn2201.c:942:16: warning: variable 'j' set
 but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git review-hans
head:   57709a27d9744f5af4bbeec3ba3105c6aa1075eb
commit: 9e267f050444fa018c9a06b0cc07effac084b920 [40/59] platform/mellanox: Add support for new SN2201 system
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220512/202205120232.oCAO8rb3-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 11.3.0
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/pdx86/platform-drivers-x86.git/commit/?id=9e267f050444fa018c9a06b0cc07effac084b920
        git remote add pdx86-platform-drivers-x86 https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
        git fetch --no-tags pdx86-platform-drivers-x86 review-hans
        git checkout 9e267f050444fa018c9a06b0cc07effac084b920
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/platform/mellanox/

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/platform/mellanox/nvsw-sn2201.c: In function 'nvsw_sn2201_config_post_init':
>> drivers/platform/mellanox/nvsw-sn2201.c:942:16: warning: variable 'j' set but not used [-Wunused-but-set-variable]
     942 |         int i, j, err;
         |                ^


vim +/j +942 drivers/platform/mellanox/nvsw-sn2201.c

   936	
   937	static int nvsw_sn2201_config_post_init(struct nvsw_sn2201 *nvsw_sn2201)
   938	{
   939		struct mlxreg_hotplug_device *sn2201_dev;
   940		struct i2c_adapter *adap;
   941		struct device *dev;
 > 942		int i, j, err;
   943	
   944		dev = nvsw_sn2201->dev;
   945		adap = i2c_get_adapter(nvsw_sn2201->main_mux_deferred_nr);
   946		if (!adap) {
   947			dev_err(dev, "Failed to get adapter for bus %d\n",
   948				nvsw_sn2201->main_mux_deferred_nr);
   949			return -ENODEV;
   950		}
   951		i2c_put_adapter(adap);
   952	
   953		/* Update board info. */
   954		sn2201_dev = nvsw_sn2201->sn2201_devs;
   955		for (i = 0, j = 0; i < nvsw_sn2201->sn2201_devs_num; i++, sn2201_dev++) {
   956			sn2201_dev->adapter = i2c_get_adapter(sn2201_dev->nr);
   957			if (!sn2201_dev->adapter)
   958				return -ENODEV;
   959			i2c_put_adapter(sn2201_dev->adapter);
   960		}
   961	
   962		err = nvsw_sn2201_create_static_devices(nvsw_sn2201, nvsw_sn2201->sn2201_devs,
   963							nvsw_sn2201->sn2201_devs_num);
   964		if (err)
   965			dev_err(dev, "Failed to create static devices\n");
   966	
   967		return err;
   968	}
   969	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp