tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 577a4ee0b96fb043c9cf4a533c550ff587e526cf commit: c8be9e66ca1eb71c694537e20d00533db48650a9 [5063/5273] sysctl: treewide: constify the ctl_table argument of handlers config: riscv-randconfig-001-20231206 (https://download.01.org/0day-ci/archive/20231206/202312062242.RFPPozG9-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312062242.RFPPozG9-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/202312062242.RFPPozG9-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/perf/riscv_pmu_sbi.c:1008:19: error: incompatible function pointer types initializing 'proc_handler *' (aka 'int (*)(const struct ctl_table *, int, void *, unsigned long *, long long *)') with an expression of type 'int (struct ctl_table *, int, void *, size_t *, loff_t *)' (aka 'int (struct ctl_table *, int, void *, unsigned long *, long long *)') [-Wincompatible-function-pointer-types] 1008 | .proc_handler = riscv_pmu_proc_user_access_handler, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +1008 drivers/perf/riscv_pmu_sbi.c cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1001 cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1002 static struct ctl_table sbi_pmu_sysctl_table[] = { cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1003 { cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1004 .procname = "perf_user_access", cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1005 .data = &sysctl_perf_user_access, cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1006 .maxlen = sizeof(unsigned int), cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1007 .mode = 0644, cc4c07c89aada1 Alexandre Ghiti 2023-08-02 @1008 .proc_handler = riscv_pmu_proc_user_access_handler, cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1009 .extra1 = SYSCTL_ZERO, cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1010 .extra2 = SYSCTL_TWO, cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1011 }, cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1012 { } cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1013 }; cc4c07c89aada1 Alexandre Ghiti 2023-08-02 1014 :::::: The code at line 1008 was first introduced by commit :::::: cc4c07c89aada16229084eeb93895c95b7eabaa3 drivers: perf: Implement perf event mmap support in the SBI backend :::::: TO: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> :::::: CC: Palmer Dabbelt <palmer@xxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
