Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on bluetooth/master] [also build test WARNING on bluetooth-next/master linus/master v6.9-rc7 next-20240507] [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/sean-wang-kernel-org/Bluetooth-btmtk-apply-the-common-btmtk_fw_get_filename/20240508-032333 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master patch link: https://lore.kernel.org/r/965cd14922aea67e2750ff2c2ecad773f8ba485a.1715109394.git.sean.wang%40kernel.org patch subject: [PATCH v4 1/5] Bluetooth: btmtk: add the function to get the fw name config: arm64-defconfig (https://download.01.org/0day-ci/archive/20240508/202405081456.v2MvcQ0P-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240508/202405081456.v2MvcQ0P-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/202405081456.v2MvcQ0P-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/bluetooth/btmtk.c: In function 'btmtk_fw_get_filename': >> drivers/bluetooth/btmtk.c:115:35: warning: 'mediatek/BT_RAM_CODE_MT' directive output truncated writing 23 bytes into a region of size 8 [-Wformat-truncation=] 115 | "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin", | ~~~~~~~~^~~~~~~~~~~~~~~ drivers/bluetooth/btmtk.c:115:26: note: directive argument in the range [1, 256] 115 | "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/bluetooth/btmtk.c:114:17: note: 'snprintf' output between 41 and 43 bytes into a destination of size 8 114 | snprintf(buf, sizeof(size), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 115 | "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 116 | dev_id & 0xffff, (fw_ver & 0xff) + 1); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +115 drivers/bluetooth/btmtk.c 105 106 void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver, 107 u32 fw_flavor) 108 { 109 if (dev_id == 0x7925) 110 snprintf(buf, size, 111 "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", 112 dev_id & 0xffff, dev_id & 0xffff, (fw_ver & 0xff) + 1); 113 else if (dev_id == 0x7961 && fw_flavor) 114 snprintf(buf, sizeof(size), > 115 "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin", 116 dev_id & 0xffff, (fw_ver & 0xff) + 1); 117 else 118 snprintf(buf, size, 119 "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", 120 dev_id & 0xffff, (fw_ver & 0xff) + 1); 121 } 122 EXPORT_SYMBOL_GPL(btmtk_fw_get_filename); 123 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
