Hi Abhash, kernel test robot noticed the following build errors: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on linus/master v6.12-rc1 next-20241004] [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/Abhash-Jha/iio-light-vl6180-Add-configurable-inter-measurement-period-support/20241004-230433 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20241004150148.14033-2-abhashkumarjha123%40gmail.com patch subject: [PATCH 1/3] iio: light: vl6180: Add configurable inter-measurement period support config: x86_64-buildonly-randconfig-001-20241005 (https://download.01.org/0day-ci/archive/20241005/202410052012.iy9nXdU8-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410052012.iy9nXdU8-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/202410052012.iy9nXdU8-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> drivers/iio/light/vl6180.c:461:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 461 | guard(mutex)(&data->lock); | ^ include/linux/cleanup.h:167:2: note: expanded from macro 'guard' 167 | CLASS(_name, __UNIQUE_ID(guard)) | ^ include/linux/cleanup.h:122:2: note: expanded from macro 'CLASS' 122 | class_##_name##_t var __cleanup(class_##_name##_destructor) = \ | ^ <scratch space>:101:1: note: expanded from here 101 | class_mutex_t | ^ >> drivers/iio/light/vl6180.c:477:2: error: cannot jump from switch statement to this case label 477 | default: | ^ drivers/iio/light/vl6180.c:461:3: note: jump bypasses initialization of variable with __attribute__((cleanup)) 461 | guard(mutex)(&data->lock); | ^ include/linux/cleanup.h:167:15: note: expanded from macro 'guard' 167 | CLASS(_name, __UNIQUE_ID(guard)) | ^ include/linux/compiler.h:189:29: note: expanded from macro '__UNIQUE_ID' 189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) | ^ include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE' 84 | #define __PASTE(a,b) ___PASTE(a,b) | ^ include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE' 83 | #define ___PASTE(a,b) a##b | ^ <scratch space>:99:1: note: expanded from here 99 | __UNIQUE_ID_guard385 | ^ 1 warning and 1 error generated. vim +477 drivers/iio/light/vl6180.c 006f437eee8f94 Abhash Jha 2024-10-04 442 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 443 static int vl6180_write_raw(struct iio_dev *indio_dev, 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 444 struct iio_chan_spec const *chan, 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 445 int val, int val2, long mask) 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 446 { 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 447 struct vl6180_data *data = iio_priv(indio_dev); 006f437eee8f94 Abhash Jha 2024-10-04 448 unsigned int reg_val; 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 449 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 450 switch (mask) { 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 451 case IIO_CHAN_INFO_INT_TIME: 1e2ed3d0d27d80 Stefan Brüns 2017-09-24 452 return vl6180_set_it(data, val, val2); 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 453 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 454 case IIO_CHAN_INFO_HARDWAREGAIN: 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 455 if (chan->type != IIO_LIGHT) 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 456 return -EINVAL; 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 457 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 458 return vl6180_set_als_gain(data, val, val2); 006f437eee8f94 Abhash Jha 2024-10-04 459 006f437eee8f94 Abhash Jha 2024-10-04 460 case IIO_CHAN_INFO_SAMP_FREQ: 006f437eee8f94 Abhash Jha 2024-10-04 @461 guard(mutex)(&data->lock); 006f437eee8f94 Abhash Jha 2024-10-04 462 switch (chan->type) { 006f437eee8f94 Abhash Jha 2024-10-04 463 case IIO_DISTANCE: 006f437eee8f94 Abhash Jha 2024-10-04 464 data->range_meas_rate = val; 006f437eee8f94 Abhash Jha 2024-10-04 465 reg_val = vl6180_meas_reg_val_from_ms(val); 006f437eee8f94 Abhash Jha 2024-10-04 466 return vl6180_write_byte(data->client, VL6180_RANGE_INTER_MEAS_TIME, reg_val); 006f437eee8f94 Abhash Jha 2024-10-04 467 006f437eee8f94 Abhash Jha 2024-10-04 468 case IIO_LIGHT: 006f437eee8f94 Abhash Jha 2024-10-04 469 data->als_meas_rate = val; 006f437eee8f94 Abhash Jha 2024-10-04 470 reg_val = vl6180_meas_reg_val_from_ms(val); 006f437eee8f94 Abhash Jha 2024-10-04 471 return vl6180_write_byte(data->client, VL6180_ALS_INTER_MEAS_TIME, reg_val); 006f437eee8f94 Abhash Jha 2024-10-04 472 006f437eee8f94 Abhash Jha 2024-10-04 473 default: 006f437eee8f94 Abhash Jha 2024-10-04 474 return -EINVAL; 006f437eee8f94 Abhash Jha 2024-10-04 475 } 006f437eee8f94 Abhash Jha 2024-10-04 476 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 @477 default: 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 478 return -EINVAL; 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 479 } 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 480 } 5e7f47e495ad36 Manivannan Sadhasivam 2017-03-19 481 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki