Hi Steven, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 54968bf23106d2ac31ede8dca013a7fadeb3dd75 commit: a6a7981cbf66d4951425d33cdce6ef39206eba83 [1774/1774] Net: ethernet: Support 3snic 3s9xx network card config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20250902/202509021827.2May8nFb-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250902/202509021827.2May8nFb-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/202509021827.2May8nFb-lkp@intel.com/ All errors (new ones prefixed by >>):

...

drivers/net/ethernet/3snic/sssnic/hw/sss_pci_probe.c:276:5: error: no previous prototype for 'sss_attach_uld_driver' [-Werror=missing-prototypes] 276 | int sss_attach_uld_driver(struct sss_pci_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_probe.c:548:5: error: no previous prototype for 'sss_pci_probe' [-Werror=missing-prototypes] 548 | int sss_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) | ^~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:90:6: error: no previous prototype for 'sss_detach_uld_driver' [-Werror=missing-prototypes] 90 | void sss_detach_uld_driver(struct sss_pci_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:120:6: error: no previous prototype for 'sss_detach_all_uld_driver' [-Werror=missing-prototypes] 120 | void sss_detach_all_uld_driver(struct sss_pci_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:138:6: error: no previous prototype for 'sss_dettach_uld_dev' [-Werror=missing-prototypes] 138 | void sss_dettach_uld_dev(struct sss_pci_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:179:6: error: no previous prototype for 'sss_deinit_function' [-Werror=missing-prototypes] 179 | void sss_deinit_function(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:200:6: error: no previous prototype for 'sss_unmap_pci_bar' [-Werror=missing-prototypes] 200 | void sss_unmap_pci_bar(struct sss_pci_adapter *adapter) | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:211:5: error: no previous prototype for 'sss_deinit_adapter' [-Werror=missing-prototypes] 211 | int sss_deinit_adapter(struct sss_pci_adapter *adapter) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:237:6: error: no previous prototype for 'sss_deinit_pci_dev' [-Werror=missing-prototypes] 237 | void sss_deinit_pci_dev(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_remove.c:249:6: error: no previous prototype for 'sss_pci_remove' [-Werror=missing-prototypes] 249 | void sss_pci_remove(struct pci_dev *pdev) | ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_pci_shutdown.c:28:6: error: no previous prototype for 'sss_pci_shutdown' [-Werror=missing-prototypes] 28 | void sss_pci_shutdown(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_pci_error.c:34:18: error: no previous prototype for 'sss_detect_pci_error' [-Werror=missing-prototypes] 34 | pci_ers_result_t sss_detect_pci_error(struct pci_dev *pdev, | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_pci_global.c:37:6: error: no previous prototype for 'sss_init_uld_lock' [-Werror=missing-prototypes] 37 | void sss_init_uld_lock(void) | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_global.c:42:6: error: no previous prototype for 'sss_lock_uld' [-Werror=missing-prototypes] 42 | void sss_lock_uld(void) | ^~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_global.c:47:6: error: no previous prototype for 'sss_unlock_uld' [-Werror=missing-prototypes] 47 | void sss_unlock_uld(void) | ^~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_global.c:52:14: error: no previous prototype for 'sss_get_uld_names' [-Werror=missing-prototypes] 52 | const char **sss_get_uld_names(void) | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_global.c:57:22: error: no previous prototype for 'sss_get_uld_info' [-Werror=missing-prototypes] 57 | struct sss_uld_info *sss_get_uld_info(void) | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_pci_global.c:62:6: error: no previous prototype for 'sss_attach_is_enable' [-Werror=missing-prototypes] 62 | bool sss_attach_is_enable(void) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c: In function 'sss_heartbeat_lost_handler': drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:185:13: error: variable 'pcie_src' set but not used [-Werror=unused-but-set-variable] 185 | u16 pcie_src; | ^~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:184:13: error: variable 'fault_level' set but not used [-Werror=unused-but-set-variable] 184 | u16 fault_level; | ^~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c: At top level: drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:384:5: error: no previous prototype for 'sss_init_hwdev' [-Werror=missing-prototypes] 384 | int sss_init_hwdev(struct sss_pci_adapter *adapter) | ^~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:487:6: error: no previous prototype for 'sss_deinit_hwdev' [-Werror=missing-prototypes] 487 | void sss_deinit_hwdev(void *hwdev) | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:518:6: error: no previous prototype for 'sss_hwdev_stop' [-Werror=missing-prototypes] 518 | void sss_hwdev_stop(void *hwdev) | ^~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:531:6: error: no previous prototype for 'sss_hwdev_detach' [-Werror=missing-prototypes] 531 | void sss_hwdev_detach(void *hwdev) | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_init.c:539:6: error: no previous prototype for 'sss_hwdev_shutdown' [-Werror=missing-prototypes] 539 | void sss_hwdev_shutdown(void *hwdev) | ^~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_mgmt_info.c:54:5: error: no previous prototype for 'sss_init_mgmt_info' [-Werror=missing-prototypes] 54 | int sss_init_mgmt_info(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_mgmt_info.c:90:6: error: no previous prototype for 'sss_deinit_mgmt_info' [-Werror=missing-prototypes] 90 | void sss_deinit_mgmt_info(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_hwdev_io_flush.c:91:5: error: no previous prototype for 'sss_hwdev_flush_io' [-Werror=missing-prototypes] 91 | int sss_hwdev_flush_io(struct sss_hwdev *hwdev, u16 channel) | ^~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_ctrlq_init.c:277:5: error: no previous prototype for 'sss_reinit_ctrlq_ctx' [-Werror=missing-prototypes] 277 | int sss_reinit_ctrlq_ctx(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_ctrlq_init.c:367:6: error: no previous prototype for 'sss_deinit_ctrlq' [-Werror=missing-prototypes] 367 | void sss_deinit_ctrlq(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_ctrlq_init.c:501:5: error: no previous prototype for 'sss_init_ctrlq_channel' [-Werror=missing-prototypes] 501 | int sss_init_ctrlq_channel(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_ctrlq_init.c:538:6: error: no previous prototype for 'sss_deinit_ctrlq_channel' [-Werror=missing-prototypes] 538 | void sss_deinit_ctrlq_channel(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_ctrlq_init.c:547:6: error: no previous prototype for 'sss_ctrlq_flush_sync_cmd' [-Werror=missing-prototypes] 547 | void sss_ctrlq_flush_sync_cmd(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_ctrlq_init.c:573:5: error: no previous prototype for 'sss_wait_ctrlq_stop' [-Werror=missing-prototypes] 573 | int sss_wait_ctrlq_stop(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_mbx_init.c:252:5: error: no previous prototype for 'sss_init_func_mbx_msg' [-Werror=missing-prototypes] 252 | int sss_init_func_mbx_msg(void *hwdev, u16 func_num) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_mbx_init.c:401:5: error: no previous prototype for 'sss_hwif_init_mbx' [-Werror=missing-prototypes] 401 | int sss_hwif_init_mbx(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_mbx_init.c:449:6: error: no previous prototype for 'sss_hwif_deinit_mbx' [-Werror=missing-prototypes] 449 | void sss_hwif_deinit_mbx(struct sss_hwdev *hwdev) | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_mbx_init.c:872:6: error: no previous prototype for 'sss_recv_mbx_aeq_handler' [-Werror=missing-prototypes] 872 | void sss_recv_mbx_aeq_handler(void *handle, u8 *header, u8 size) | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_adm.c:545:5: error: no previous prototype for 'sss_adm_msg_write' [-Werror=missing-prototypes] 545 | int sss_adm_msg_write(struct sss_adm_msg *adm_msg, u8 node_id, | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_adm.c:551:5: error: no previous prototype for 'sss_adm_msg_read' [-Werror=missing-prototypes] 551 | int sss_adm_msg_read(struct sss_adm_msg *adm_msg, u8 node_id, | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_adm.c:597:5: error: no previous prototype for 'sss_adm_msg_read_ack' [-Werror=missing-prototypes] 597 | int sss_adm_msg_read_ack(void *hwdev, u8 dest, const void *cmd, | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_adm.c:618:5: error: no previous prototype for 'sss_adm_msg_write_nack' [-Werror=missing-prototypes] 618 | int sss_adm_msg_write_nack(void *hwdev, u8 dest, const void *cmd, u16 size) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/3snic/sssnic/hw/sss_hwif_adm.c:682:5: error: no previous prototype for 'sss_sync_send_adm_msg' [-Werror=missing-prototypes] 682 | int sss_sync_send_adm_msg(void *hwdev, u8 mod, u16 cmd, void *buf_in, | ^~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors ..

vim +/sss_pci_probe +548 drivers/net/ethernet/3snic/sssnic/hw/sss_pci_probe.c 547

548 int sss_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)

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