Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on media-tree/master] [also build test ERROR on linus/master v5.19-rc8 next-20220728] [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/Andy-Shevchenko/media-ipu3-cio2-Don-t-dereference-fwnode-handle/20220730-235023 base: git://linuxtv.org/media_tree.git master config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220731/202207310535.kgjPgg86-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/a78ba0da9d77a8fa412604492f931b188e1114d5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Andy-Shevchenko/media-ipu3-cio2-Don-t-dereference-fwnode-handle/20220730-235023 git checkout a78ba0da9d77a8fa412604492f931b188e1114d5 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/media/pci/intel/ipu3/cio2-bridge.c: In function 'cio2_bridge_connect_sensor': >> drivers/media/pci/intel/ipu3/cio2-bridge.c:266:16: error: function declaration isn't a prototype [-Werror=strict-prototypes] 266 | struct fwnode_handle *fwnode, *current; | ^~~~~~~~~~~~~ In file included from include/linux/mutex.h:14, from include/linux/kernfs.h:11, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/of.h:17, from include/linux/irqdomain.h:35, from include/linux/acpi.h:13, from drivers/media/pci/intel/ipu3/cio2-bridge.c:4: >> arch/x86/include/asm/current.h:18:17: error: conflicting types for 'get_current'; have 'struct fwnode_handle *()' 18 | #define current get_current() | ^~~~~~~~~~~ drivers/media/pci/intel/ipu3/cio2-bridge.c:266:40: note: in expansion of macro 'current' 266 | struct fwnode_handle *fwnode, *current; | ^~~~~~~ arch/x86/include/asm/current.h:13:44: note: previous definition of 'get_current' with type 'struct task_struct *(void)' 13 | static __always_inline struct task_struct *get_current(void) | ^~~~~~~~~~~ >> drivers/media/pci/intel/ipu3/cio2-bridge.c:326:25: error: lvalue required as left operand of assignment 326 | current = acpi_fwnode_handle(adev); | ^ cc1: some warnings being treated as errors vim +266 drivers/media/pci/intel/ipu3/cio2-bridge.c 261 262 static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, 263 struct cio2_bridge *bridge, 264 struct pci_dev *cio2) 265 { > 266 struct fwnode_handle *fwnode, *current; 267 struct cio2_sensor *sensor; 268 struct acpi_device *adev; 269 acpi_status status; 270 int ret; 271 272 for_each_acpi_dev_match(adev, cfg->hid, NULL, -1) { 273 if (!adev->status.enabled) 274 continue; 275 276 if (bridge->n_sensors >= CIO2_NUM_PORTS) { 277 acpi_dev_put(adev); 278 dev_err(&cio2->dev, "Exceeded available CIO2 ports\n"); 279 return -EINVAL; 280 } 281 282 sensor = &bridge->sensors[bridge->n_sensors]; 283 strscpy(sensor->name, cfg->hid, sizeof(sensor->name)); 284 285 ret = cio2_bridge_read_acpi_buffer(adev, "SSDB", 286 &sensor->ssdb, 287 sizeof(sensor->ssdb)); 288 if (ret) 289 goto err_put_adev; 290 291 if (sensor->ssdb.vcmtype > ARRAY_SIZE(cio2_vcm_types)) { 292 dev_warn(&adev->dev, "Unknown VCM type %d\n", 293 sensor->ssdb.vcmtype); 294 sensor->ssdb.vcmtype = 0; 295 } 296 297 status = acpi_get_physical_device_location(adev->handle, &sensor->pld); 298 if (ACPI_FAILURE(status)) { 299 ret = -ENODEV; 300 goto err_put_adev; 301 } 302 303 if (sensor->ssdb.lanes > CIO2_MAX_LANES) { 304 dev_err(&adev->dev, 305 "Number of lanes in SSDB is invalid\n"); 306 ret = -EINVAL; 307 goto err_free_pld; 308 } 309 310 cio2_bridge_create_fwnode_properties(sensor, bridge, cfg); 311 cio2_bridge_create_connection_swnodes(bridge, sensor); 312 313 ret = software_node_register_nodes(sensor->swnodes); 314 if (ret) 315 goto err_free_pld; 316 317 fwnode = software_node_fwnode(&sensor->swnodes[ 318 SWNODE_SENSOR_HID]); 319 if (!fwnode) { 320 ret = -ENODEV; 321 goto err_free_swnodes; 322 } 323 324 sensor->adev = acpi_dev_get(adev); 325 > 326 current = acpi_fwnode_handle(adev); 327 current->secondary = fwnode; 328 329 cio2_bridge_instantiate_vcm_i2c_client(sensor); 330 331 dev_info(&cio2->dev, "Found supported sensor %s\n", 332 acpi_dev_name(adev)); 333 334 bridge->n_sensors++; 335 } 336 337 return 0; 338 339 err_free_swnodes: 340 software_node_unregister_nodes(sensor->swnodes); 341 err_free_pld: 342 ACPI_FREE(sensor->pld); 343 err_put_adev: 344 acpi_dev_put(adev); 345 return ret; 346 } 347 -- 0-DAY CI Kernel Test Service https://01.org/lkp
