Hi Oliver, kernel test robot noticed the following build warnings: [auto build test WARNING on staging/staging-testing] url: https://github.com/intel-lab-lkp/linux/commits/Oliver-Crumrine/staging-octeon-clean-up-the-octeon-ethernet-driver/20230828-051802 base: staging/staging-testing patch link: https://lore.kernel.org/r/PH7PR11MB7643F9F5DBB6781022CC4F4DBCE1A%40PH7PR11MB7643.namprd11.prod.outlook.com patch subject: [PATCH 6/6] staging: octeon: clean up the octeon ethernet driver config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20230828/202308280701.II3T3JeO-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230828/202308280701.II3T3JeO-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/202308280701.II3T3JeO-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/staging/octeon/ethernet.c: In function 'cvm_oct_common_get_stats': drivers/staging/octeon/ethernet.c:204:39: error: storage size of 'rx_status' isn't known 204 | struct cvmx_pip_port_status_t rx_status; | ^~~~~~~~~ In file included from include/linux/string.h:254, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from arch/loongarch/include/asm/processor.h:9, from arch/loongarch/include/asm/thread_info.h:15, from include/linux/thread_info.h:60, from include/asm-generic/current.h:5, from ./arch/loongarch/include/generated/asm/current.h:1, from include/linux/sched.h:12, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/platform_device.h:13, from drivers/staging/octeon/ethernet.c:8: >> include/linux/fortify-string.h:515:65: warning: left-hand operand of comma expression has no effect [-Wunused-value] 515 | fortify_memset_chk(__fortify_size, p_size, p_size_field), \ | ^ include/linux/fortify-string.h:524:25: note: in expansion of macro '__fortify_memset_chk' 524 | #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ | ^~~~~~~~~~~~~~~~~~~~ drivers/staging/octeon/ethernet.c:211:25: note: in expansion of macro 'memset' 211 | memset(&rx_status, 0, sizeof(rx_status)); | ^~~~~~ drivers/staging/octeon/ethernet.c:204:39: warning: unused variable 'rx_status' [-Wunused-variable] 204 | struct cvmx_pip_port_status_t rx_status; | ^~~~~~~~~ vim +515 include/linux/fortify-string.h 28e77cc1c06866 Kees Cook 2021-06-16 512 28e77cc1c06866 Kees Cook 2021-06-16 513 #define __fortify_memset_chk(p, c, size, p_size, p_size_field) ({ \ 28e77cc1c06866 Kees Cook 2021-06-16 514 size_t __fortify_size = (size_t)(size); \ 28e77cc1c06866 Kees Cook 2021-06-16 @515 fortify_memset_chk(__fortify_size, p_size, p_size_field), \ 28e77cc1c06866 Kees Cook 2021-06-16 516 __underlying_memset(p, c, __fortify_size); \ 28e77cc1c06866 Kees Cook 2021-06-16 517 }) 28e77cc1c06866 Kees Cook 2021-06-16 518 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
