Hi Zack, kernel test robot noticed the following build errors: [auto build test ERROR on dtor-input/next] [also build test ERROR on dtor-input/for-linus linus/master v6.7-rc8 next-20240104] [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/Zack-Rusin/input-vmmouse-Fix-device-name-copies/20240104-130724 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next patch link: https://lore.kernel.org/r/20240104050605.1773158-1-zack.rusin%40broadcom.com patch subject: [PATCH v2] input/vmmouse: Fix device name copies config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240105/202401050506.N1aMF9sD-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240105/202401050506.N1aMF9sD-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/202401050506.N1aMF9sD-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> drivers/input/mouse/vmmouse.c:78:5: warning: variable length array used [-Wvla] 77 | char phys[sizeof_field(struct serio, phys) + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 78 | strlen(VMMOUSE_PHYS_NAME_POSTFIX_STR)]; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/input/mouse/vmmouse.c:77:7: error: fields must have a constant size: 'variable length array in structure' extension will never be supported 77 | char phys[sizeof_field(struct serio, phys) + | ^ 1 warning and 1 error generated. vim +77 drivers/input/mouse/vmmouse.c 67 68 /** 69 * struct vmmouse_data - private data structure for the vmmouse driver 70 * 71 * @abs_dev: "Absolute" device used to report absolute mouse movement. 72 * @phys: Physical path for the absolute device. 73 * @dev_name: Name attribute name for the absolute device. 74 */ 75 struct vmmouse_data { 76 struct input_dev *abs_dev; > 77 char phys[sizeof_field(struct serio, phys) + > 78 strlen(VMMOUSE_PHYS_NAME_POSTFIX_STR)]; 79 char dev_name[128]; 80 }; 81 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
