Hi Chenguangli, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: 7fc993d55d1b54ae40e29dfac825a18d04d644c6 [1312/1312] scsi/hifc: add hifc driver FC service module config: x86_64-buildonly-randconfig-003-20241128 (https://download.01.org/0day-ci/archive/20241201/202412011830.EPRXYtU4-lkp@i...) 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/20241201/202412011830.EPRXYtU4-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/202412011830.EPRXYtU4-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/scsi/huawei/hifc/hifc_lld.c:333:7: warning: no previous prototype for 'hifc_get_ppf_hwdev_by_pdev' [-Wmissing-prototypes] 333 | void *hifc_get_ppf_hwdev_by_pdev(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/huawei/hifc/hifc_lld.c:362:6: warning: no previous prototype for 'hifc_event_process' [-Wmissing-prototypes] 362 | void hifc_event_process(void *adapter, struct hifc_event_info *event) | ^~~~~~~~~~~~~~~~~~

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drivers/scsi/huawei/hifc/.tmp_hifc_lld.o: warning: objtool: missing symbol for section .init.text

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FB_BACKLIGHT Depends on [n]: HAS_IOMEM [=y] && FB [=n] Selected by [m]: - DRM_NOUVEAU [=m] && HAS_IOMEM [=y] && DRM [=y] && PCI [=y] && MMU [=y] && DRM_NOUVEAU_BACKLIGHT [=y] -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki