Hi Francesco, kernel test robot noticed the following build warnings: https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Francesco-Dolcini/dt-bindings-iio-adc-add-ti-ads1119/20240527-234431 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20240527154050.24975-3-francesco%40dolcini.it patch subject: [PATCH v1 2/2] iio: adc: ti-ads1119: Add driver config: openrisc-randconfig-r071-20240529 (https://download.01.org/0day-ci/archive/20240529/202405291150.r5z8TZYu-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 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> | Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> | Closes: https://lore.kernel.org/r/202405291150.r5z8TZYu-lkp@xxxxxxxxx/ New smatch warnings: drivers/iio/adc/ti-ads1119.c:653 ads1119_get_configs() warn: passing zero to 'PTR_ERR' vim +629 drivers/iio/adc/ti-ads1119.c 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 642 static int ads1119_get_configs(struct ads1119_state *st) 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 643 { 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 644 struct device *dev = &st->client->dev; 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 645 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 646 st->vref = devm_regulator_get_optional(dev, "vref"); 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 647 if (IS_ERR(st->vref)) 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 648 return dev_err_probe(dev, PTR_ERR(st->vref), 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 649 "Failed to get vref\n"); 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 650 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 651 st->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 652 if (IS_ERR(st->reset_gpio)) 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 @653 return dev_err_probe(dev, PTR_ERR(st->vref), ^^^^^^^^ st->reset_gpio was intended. 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 654 "Failed to get reset gpio\n"); 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 655 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 656 return ads1119_alloc_and_config_channels(st); 14caaeae0e22b3 João Paulo Gonçalves 2024-05-27 657 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki