Hi Zack, kernel test robot noticed the following build warnings: [auto build test WARNING on dtor-input/next] [also build test WARNING 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-randconfig-061-20240104 (https://download.01.org/0day-ci/archive/20240105/202401050307.tWbIHuS1-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240105/202401050307.tWbIHuS1-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/202401050307.tWbIHuS1-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/input/mouse/vmmouse.c:77:52: sparse: sparse: Variable length array is used. >> drivers/input/mouse/vmmouse.c:77:14: sparse: sparse: flexible array member 'phys' is not last 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