Hi Wythe, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/D-Wythe/bpf-export-necessary-sympols-for-modules/20241024-104903 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/1729737768-124596-3-git-send-email-alibuda%40linux.alibaba.com patch subject: [PATCH bpf-next 2/4] bpf: allow to access bpf_prog during bpf_struct_access config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20241025/202410251955.HSEjo06V-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410251955.HSEjo06V-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/202410251955.HSEjo06V-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/hid/bpf/hid_bpf_struct_ops.c:146:30: error: initialization of 'int (*)(struct bpf_verifier_log *, const struct bpf_reg_state *, const struct bpf_prog *, int, int)' from incompatible pointer type 'int (*)(struct bpf_verifier_log *, const struct bpf_reg_state *, int, int)' [-Wincompatible-pointer-types] 146 | .btf_struct_access = hid_bpf_ops_btf_struct_access, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/bpf/hid_bpf_struct_ops.c:146:30: note: (near initialization for 'hid_bpf_verifier_ops.btf_struct_access') vim +146 drivers/hid/bpf/hid_bpf_struct_ops.c ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 142 ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 143 static const struct bpf_verifier_ops hid_bpf_verifier_ops = { bd0747543b3d97 Benjamin Tissoires 2024-06-08 144 .get_func_proto = bpf_base_func_proto, ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 145 .is_valid_access = hid_bpf_ops_is_valid_access, ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 @146 .btf_struct_access = hid_bpf_ops_btf_struct_access, ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 147 }; ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 148 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki