Hi Eddie, kernel test robot noticed the following build warnings: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on linus/master v6.4 next-20230628] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Eddie-James/hwmon-pmbus-acbel-fsg032-Add-firmware-version-debugfs-attribute/20230628-233840 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20230628153453.122213-1-eajames%40linux.ibm.com patch subject: [PATCH v2] hwmon: (pmbus/acbel-fsg032) Add firmware version debugfs attribute config: x86_64-randconfig-x016-20230628 (https://download.01.org/0day-ci/archive/20230629/202306291012.dDHxs13l-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230629/202306291012.dDHxs13l-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306291012.dDHxs13l-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/hwmon/pmbus/acbel-fsg032.c:25:6: warning: unused variable 'i' [-Wunused-variable] int i; ^ 1 warning generated. vim +/i +25 drivers/hwmon/pmbus/acbel-fsg032.c 17 18 static ssize_t acbel_fsg032_debugfs_read(struct file *file, char __user *buf, size_t count, 19 loff_t *ppos) 20 { 21 struct i2c_client *client = file->private_data; 22 char data[I2C_SMBUS_BLOCK_MAX + 2] = { 0 }; 23 char out[8]; 24 int rc; > 25 int i; 26 27 rc = i2c_smbus_read_block_data(client, ACBEL_MFR_FW_REVISION, data); 28 if (rc < 0) 29 return rc; 30 31 rc = snprintf(out, sizeof(out), "%*phN\n", min(rc, 3), data); 32 return simple_read_from_buffer(buf, count, ppos, out, rc); 33 } 34 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
