Hi Luke, kernel test robot noticed the following build warnings: [auto build test WARNING on hid/for-next] [also build test WARNING on next-20240806] [cannot apply to linus/master v6.11-rc2] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Luke-D-Jones/hid-asus-ally-Add-full-gamepad-support/20240806-170850 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/20240806081212.56860-1-luke%40ljones.dev patch subject: [PATCH] hid-asus-ally: Add full gamepad support config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240807/202408070520.r1N2Tpys-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 423aec6573df4424f90555468128e17073ddc69e) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240807/202408070520.r1N2Tpys-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/202408070520.r1N2Tpys-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/hid/hid-asus-ally.c:17: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:21: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from drivers/hid/hid-asus-ally.c:17: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:31: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:25: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/hid/hid-asus-ally.c:17: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:31: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:25: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/hid/hid-asus-ally.c:17: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:31: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:25: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ drivers/hid/hid-asus-ally.c:565:10: warning: variable 'max_output_report_size' set but not used [-Wunused-but-set-variable] 565 | uint8_t max_output_report_size; | ^ drivers/hid/hid-asus-ally.c:1177:6: warning: variable 'cmd' set but not used [-Wunused-but-set-variable] 1177 | int cmd, side, is_tr; | ^ >> drivers/hid/hid-asus-ally.c:894:1: warning: unused variable 'btn_mapping_lt_attr_group' [-Wunused-const-variable] 894 | ALLY_BTN_MAPPING(lt, btn_pair_lt_rt, btn_pair_side_left); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-asus-ally.h:321:2: note: expanded from macro 'ALLY_BTN_MAPPING' 321 | ALLY_BTN_ATTRS_GROUP(btn_##_fname, btn_mapping_##_fname) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-asus-ally.h:306:38: note: expanded from macro 'ALLY_BTN_ATTRS_GROUP' 306 | static const struct attribute_group _fname##_attr_group = { \ | ^~~~~~~~~~~~~~~~~~~ <scratch space>:125:1: note: expanded from here 125 | btn_mapping_lt_attr_group | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/hid/hid-asus-ally.c:895:1: warning: unused variable 'btn_mapping_rt_attr_group' [-Wunused-const-variable] 895 | ALLY_BTN_MAPPING(rt, btn_pair_lt_rt, btn_pair_side_right); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-asus-ally.h:321:2: note: expanded from macro 'ALLY_BTN_MAPPING' 321 | ALLY_BTN_ATTRS_GROUP(btn_##_fname, btn_mapping_##_fname) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-asus-ally.h:306:38: note: expanded from macro 'ALLY_BTN_ATTRS_GROUP' 306 | static const struct attribute_group _fname##_attr_group = { \ | ^~~~~~~~~~~~~~~~~~~ <scratch space>:167:1: note: expanded from here 167 | btn_mapping_rt_attr_group | ^~~~~~~~~~~~~~~~~~~~~~~~~ 11 warnings generated. vim +/btn_mapping_lt_attr_group +894 drivers/hid/hid-asus-ally.c 882 883 /* button map attributes, regular and macro*/ 884 ALLY_BTN_MAPPING(m2, btn_pair_m1_m2, btn_pair_side_left); 885 ALLY_BTN_MAPPING(m1, btn_pair_m1_m2, btn_pair_side_right); 886 ALLY_BTN_MAPPING(a, btn_pair_a_b, btn_pair_side_left); 887 ALLY_BTN_MAPPING(b, btn_pair_a_b, btn_pair_side_right); 888 ALLY_BTN_MAPPING(x, btn_pair_x_y, btn_pair_side_left); 889 ALLY_BTN_MAPPING(y, btn_pair_x_y, btn_pair_side_right); 890 ALLY_BTN_MAPPING(lb, btn_pair_lb_rb, btn_pair_side_left); 891 ALLY_BTN_MAPPING(rb, btn_pair_lb_rb, btn_pair_side_right); 892 ALLY_BTN_MAPPING(ls, btn_pair_ls_rs, btn_pair_side_left); 893 ALLY_BTN_MAPPING(rs, btn_pair_ls_rs, btn_pair_side_right); > 894 ALLY_BTN_MAPPING(lt, btn_pair_lt_rt, btn_pair_side_left); > 895 ALLY_BTN_MAPPING(rt, btn_pair_lt_rt, btn_pair_side_right); 896 ALLY_BTN_MAPPING(dpad_u, btn_pair_dpad_u_d, btn_pair_side_left); 897 ALLY_BTN_MAPPING(dpad_d, btn_pair_dpad_u_d, btn_pair_side_right); 898 ALLY_BTN_MAPPING(dpad_l, btn_pair_dpad_l_r, btn_pair_side_left); 899 ALLY_BTN_MAPPING(dpad_r, btn_pair_dpad_l_r, btn_pair_side_right); 900 ALLY_BTN_MAPPING(view, btn_pair_view_menu, btn_pair_side_left); 901 ALLY_BTN_MAPPING(menu, btn_pair_view_menu, btn_pair_side_right); 902 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki