Hi Alistair, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on pci/for-linus linus/master next-20240523] [cannot apply to v6.9] [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/Alistair-Francis/PCI-DOE-Rename-Discovery-Response-Data-Object-Contents-to-type/20240522-181416 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20240522101142.559733-3-alistair.francis%40wdc.com patch subject: [PATCH v10 3/4] PCI/DOE: Expose the DOE features via sysfs config: x86_64-randconfig-123-20240523 (https://download.01.org/0day-ci/archive/20240523/202405232329.5RfYqVrs-lkp@xxxxxxxxx/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/20240523/202405232329.5RfYqVrs-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/202405232329.5RfYqVrs-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/pci/doe.c:107:1: sparse: sparse: symbol 'dev_attr_doe_discovery' was not declared. Should it be static? vim +/dev_attr_doe_discovery +107 drivers/pci/doe.c 99 100 #ifdef CONFIG_SYSFS 101 static ssize_t doe_discovery_show(struct device *dev, 102 struct device_attribute *attr, 103 char *buf) 104 { 105 return sysfs_emit(buf, "0001:00\n"); 106 } > 107 DEVICE_ATTR_RO(doe_discovery); 108 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki