Hi WenChen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: b71af6f00ede58be00cb7306c9acb2660ec90947 commit: f1753f8b17480bdb750cbd33fbaa358aef5dbb23 [2516/2516] urma: upload kernel patch for 20240219_Spring config: arm64-randconfig-003-20241203 (https://download.01.org/0day-ci/archive/20241205/202412051043.VbAyfzTq-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241205/202412051043.VbAyfzTq-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412051043.VbAyfzTq-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/ub/urma/ubcore/ubcore_device.c:352:6: warning: no previous prototype for 'ubcore_destroy_upi_list' [-Wmissing-prototypes] 352 | void ubcore_destroy_upi_list(struct ubcore_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:440:23: warning: no previous prototype for 'ubcore_find_tpf_device_legacy' [-Wmissing-prototypes] 440 | struct ubcore_device *ubcore_find_tpf_device_legacy(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

...

drivers/ub/urma/ubcore/ubcore_device.c:1329:5: warning: no previous prototype for 'ubcore_dispatch_event' [-Wmissing-prototypes] 1329 | int ubcore_dispatch_event(struct ubcore_event *event) | ^~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:1454:6: warning: no previous prototype for 'ubcore_dev_accessible' [-Wmissing-prototypes] 1454 | bool ubcore_dev_accessible(struct ubcore_device *dev) | ^~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:2015:6: warning: no previous prototype for 'ubcore_net_exit' [-Wmissing-prototypes] 2015 | void ubcore_net_exit(struct net *net) | ^~~~~~~~~~~~~~~ -- drivers/ub/urma/ubcore/ubcore_cdev_file.c:690:5: warning: no previous prototype for 'ubcore_create_port_attr_files' [-Wmissing-prototypes] 690 | int ubcore_create_port_attr_files(struct ubcore_logic_device *ldev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_cdev_file.c:785:5: warning: no previous prototype for 'ubcore_create_eid_attr_files' [-Wmissing-prototypes] 785 | int ubcore_create_eid_attr_files(struct ubcore_logic_device *ldev, uint32_t eid_num) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_cdev_file.c:797:5: warning: no previous prototype for 'ubcore_create_dev_attr_files' [-Wmissing-prototypes] 797 | int ubcore_create_dev_attr_files(struct ubcore_logic_device *ldev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_cdev_file.c:810:6: warning: no previous prototype for 'ubcore_remove_port_attr_files' [-Wmissing-prototypes] 810 | void ubcore_remove_port_attr_files(struct ubcore_logic_device *ldev, uint8_t port_id) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_cdev_file.c:815:6: warning: no previous prototype for 'ubcore_remove_eid_attr_files' [-Wmissing-prototypes] 815 | void ubcore_remove_eid_attr_files(struct ubcore_logic_device *ldev, uint32_t eid_num) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_cdev_file.c:820:6: warning: no previous prototype for 'ubcore_remove_dev_attr_files' [-Wmissing-prototypes] 820 | void ubcore_remove_dev_attr_files(struct ubcore_logic_device *ldev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/ubcore_dispatch_event +1329 drivers/ub/urma/ubcore/ubcore_device.c 1328

1329 int ubcore_dispatch_event(struct ubcore_event *event) 1330 { 1331 struct ubcore_event_work *l_ubcore_event; 1332 1333 l_ubcore_event = kzalloc(sizeof(*l_ubcore_event), GFP_ATOMIC); 1334 if (!l_ubcore_event) 1335 return -ENOMEM; 1336 1337 INIT_WORK(&l_ubcore_event->work, ubcore_dispatch_event_task); 1338 l_ubcore_event->event = *event; 1339 1340 if (ubcore_queue_work((int)UBCORE_DISPATCH_EVENT_WQ, &l_ubcore_event->work) != 0) { 1341 kfree(l_ubcore_event); 1342 ubcore_log_err("Queue work failed"); 1343 } 1344 1345 return 0; 1346 } 1347

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