Hi Zaid, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on rafael-pm/bleeding-edge linus/master v6.14-rc5 next-20250307] [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/Zaid-Alali/ACPICA-Update-values-to-hex-to-follow-ACPI-specs/20250307-075155 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20250306234810.75511-4-zaidal%40os.amperecomputing.com patch subject: [PATCH v4 3/9] ACPI: APEI: EINJ: Fix kernel test robot sparse warning config: i386-randconfig-063-20250308 (https://download.01.org/0day-ci/archive/20250308/202503081600.JxR875hh-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250308/202503081600.JxR875hh-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/202503081600.JxR875hh-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/acpi/apei/einj-core.c:265:32: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem *[assigned] p @@ drivers/acpi/apei/einj-core.c:265:32: sparse: expected void * drivers/acpi/apei/einj-core.c:265:32: sparse: got void [noderef] __iomem *[assigned] p drivers/acpi/apei/einj-core.c:280:24: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem *[assigned] p @@ drivers/acpi/apei/einj-core.c:280:24: sparse: expected void * drivers/acpi/apei/einj-core.c:280:24: sparse: got void [noderef] __iomem *[assigned] p >> drivers/acpi/apei/einj-core.c:824:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *static [toplevel] einj_param @@ got void * @@ drivers/acpi/apei/einj-core.c:824:20: sparse: expected void [noderef] __iomem *static [toplevel] einj_param drivers/acpi/apei/einj-core.c:824:20: sparse: got void * vim +265 drivers/acpi/apei/einj-core.c 235 236 static void *einj_get_parameter_address(void) 237 { 238 int i; 239 u64 pa_v4 = 0, pa_v5 = 0; 240 struct acpi_whea_header *entry; 241 242 entry = EINJ_TAB_ENTRY(einj_tab); 243 for (i = 0; i < einj_tab->entries; i++) { 244 if (entry->action == ACPI_EINJ_SET_ERROR_TYPE && 245 entry->instruction == ACPI_EINJ_WRITE_REGISTER && 246 entry->register_region.space_id == 247 ACPI_ADR_SPACE_SYSTEM_MEMORY) 248 pa_v4 = get_unaligned(&entry->register_region.address); 249 if (entry->action == ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS && 250 entry->instruction == ACPI_EINJ_WRITE_REGISTER && 251 entry->register_region.space_id == 252 ACPI_ADR_SPACE_SYSTEM_MEMORY) 253 pa_v5 = get_unaligned(&entry->register_region.address); 254 entry++; 255 } 256 if (pa_v5) { 257 struct set_error_type_with_address v5param; 258 void __iomem *p; 259 260 p = acpi_os_map_iomem(pa_v5, sizeof(v5param)); 261 if (p) { 262 memcpy_fromio(&v5param, p, sizeof(v5param)); 263 acpi5 = 1; 264 check_vendor_extension(pa_v5, &v5param); > 265 return p; 266 } 267 } 268 if (param_extension && pa_v4) { 269 struct einj_parameter v4param; 270 void __iomem *p; 271 272 p = acpi_os_map_iomem(pa_v4, sizeof(v4param)); 273 if (!p) 274 return NULL; 275 memcpy_fromio(&v4param, p, sizeof(v4param)); 276 if (v4param.reserved1 || v4param.reserved2) { 277 acpi_os_unmap_iomem(p, sizeof(v4param)); 278 return NULL; 279 } 280 return p; 281 } 282 283 return NULL; 284 } 285 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
