tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git scsi-private.v2 head: 915b986531e666d840f72752c597fb6b4ea69d35 commit: e6b8e84251bef24827e609d3a87c5d6652302b85 [15/21] aacraid: add 'owner' field to 'struct fib' config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commi... git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git git fetch --no-tags hare-scsi-devel scsi-private.v2 git checkout e6b8e84251bef24827e609d3a87c5d6652302b85 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/scsi/aacraid/linit.c: In function 'fib_count_iter': drivers/scsi/aacraid/linit.c:641:35: error: dereferencing 'void *' pointer [-Werror] 641 | struct fib *fibptr = &data->dev->fibs[scsi_cmd_to_rq(scmnd)->tag]; | ^~ In file included from include/linux/perf_event.h:25, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:87, from drivers/scsi/aacraid/linit.c:33: At top level: arch/arc/include/asm/perf_event.h:126:27: error: 'arc_pmu_cache_map' defined but not used [-Werror=unused-const-variable=] 126 | static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { | ^~~~~~~~~~~~~~~~~ arch/arc/include/asm/perf_event.h:91:27: error: 'arc_pmu_ev_hw_map' defined but not used [-Werror=unused-const-variable=] 91 | static const char * const arc_pmu_ev_hw_map[] = { | ^~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/dev +641 drivers/scsi/aacraid/linit.c 637 638 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved) 639 { 640 struct fib_count_data *fib_count = data; 642 643 switch (fibptr->owner) { 644 case AAC_OWNER_FIRMWARE: 645 fib_count->fwcnt++; 646 break; 647 case AAC_OWNER_ERROR_HANDLER: 648 fib_count->ehcnt++; 649 break; 650 case AAC_OWNER_LOWLEVEL: 651 fib_count->llcnt++; 652 break; 653 case AAC_OWNER_MIDLEVEL: 654 fib_count->mlcnt++; 655 break; 656 default: 657 fib_count->krlcnt++; 658 break; 659 } 660 return true; 661 } 662 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org