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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-staging head: 80e45111b670e9c913398f5ad54196a99a739497 commit: 85a6f963ad7f3657dff782c3e3ac40ab6c95f62c [111/143] hwmon: (lm9534) Convert to with_info hwmon API config: i386-buildonly-randconfig-002-20240713 (https://download.01.org/0day-ci/archive/20240713/202407130915.X917zHwW-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240713/202407130915.X917zHwW-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202407130915.X917zHwW-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/hwmon/lm95234.c:223:7: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] 223 | if (ret) | ^~~ drivers/hwmon/lm95234.c:183:9: note: initialize the variable 'ret' to silence this warning 183 | int ret; | ^ | = 0 1 warning generated. vim +/ret +223 drivers/hwmon/lm95234.c 177 178 static int lm95234_temp_read(struct device *dev, u32 attr, int channel, long *val) 179 { 180 struct lm95234_data *data = dev_get_drvdata(dev); 181 struct regmap *regmap = data->regmap; 182 u32 regval, mask; 183 int ret; 184 185 switch (attr) { 186 case hwmon_temp_input: 187 return lm95234_read_temp(regmap, channel, val); 188 case hwmon_temp_max_alarm: 189 ret = regmap_read(regmap, lm95234_alarm_reg(channel), ®val); 190 if (ret) 191 return ret; 192 *val = !!(regval & BIT(channel)); 193 break; 194 case hwmon_temp_crit_alarm: 195 ret = regmap_read(regmap, LM95234_REG_STS_TCRIT1, ®val); 196 if (ret) 197 return ret; 198 *val = !!(regval & BIT(channel)); 199 break; 200 case hwmon_temp_crit_hyst: 201 return lm95234_hyst_get(data, LM95234_REG_TCRIT1(channel), val); 202 case hwmon_temp_type: 203 ret = regmap_read(regmap, LM95234_REG_REM_MODEL, ®val); 204 if (ret) 205 return ret; 206 *val = (regval & BIT(channel)) ? 1 : 2; 207 break; 208 case hwmon_temp_offset: 209 ret = regmap_read(regmap, LM95234_REG_OFFSET(channel - 1), ®val); 210 if (ret) 211 return ret; 212 *val = sign_extend32(regval, 7) * 500; 213 break; 214 case hwmon_temp_fault: 215 ret = regmap_read(regmap, LM95234_REG_STS_FAULT, ®val); 216 if (ret) 217 return ret; 218 mask = (BIT(0) | BIT(1)) << ((channel - 1) << 1); 219 *val = !!(regval & mask); 220 break; 221 case hwmon_temp_max: 222 regmap_read(regmap, lm95234_crit_reg(channel), ®val); > 223 if (ret) 224 return ret; 225 *val = regval * 1000; 226 break; 227 case hwmon_temp_max_hyst: 228 return lm95234_hyst_get(data, lm95234_crit_reg(channel), val); 229 case hwmon_temp_crit: 230 regmap_read(regmap, LM95234_REG_TCRIT1(channel), ®val); 231 if (ret) 232 return ret; 233 *val = regval * 1000; 234 break; 235 default: 236 return -EOPNOTSUPP; 237 } 238 return 0; 239 } 240 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki