Hi "Bence, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wsa/i2c/for-next] [also build test WARNING on v5.12-rc3 next-20210317] [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] url: https://github.com/0day-ci/linux/commits/Bence-Cs-k-s/Adding-i2c-cp2615-i2c-support-for-Silicon-Labs-CP2615-Digital-Audio-Bridge/20210317-181539 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/c8c005a08175789b1874e69abf4c6da690d5b323 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bence-Cs-k-s/Adding-i2c-cp2615-i2c-support-for-Silicon-Labs-CP2615-Digital-Audio-Bridge/20210317-181539 git checkout c8c005a08175789b1874e69abf4c6da690d5b323 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/i2c/busses/i2c-cp2615.c:82:5: warning: no previous prototype for 'cp2615_init_iop_msg' [-Wmissing-prototypes] 82 | int cp2615_init_iop_msg(struct cp2615_iop_msg *ret, enum cp2615_iop_msg_type msg, const void *data, size_t data_len) | ^~~~~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-cp2615.c:99:5: warning: no previous prototype for 'cp2615_init_i2c_msg' [-Wmissing-prototypes] 99 | int cp2615_init_i2c_msg(struct cp2615_iop_msg *ret, const struct cp2615_i2c_transfer *data) | ^~~~~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-cp2615.c:105:5: warning: no previous prototype for 'cp2615_check_status' [-Wmissing-prototypes] 105 | int cp2615_check_status(enum cp2615_i2c_status status) | ^~~~~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-cp2615.c: In function 'cp2615_i2c_probe': >> drivers/i2c/busses/i2c-cp2615.c:247:2: warning: 'strncpy' specified bound 48 equals destination size [-Wstringop-truncation] 247 | strncpy(adap->name, usbdev->serial, sizeof(adap->name)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS Selected by - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86 vim +/strncpy +247 drivers/i2c/busses/i2c-cp2615.c 231 232 static int 233 cp2615_i2c_probe(struct usb_interface *usbif, const struct usb_device_id *id) 234 { 235 int ret = 0; 236 struct i2c_adapter *adap; 237 struct usb_device *usbdev = interface_to_usbdev(usbif); 238 239 ret = usb_set_interface(usbdev, IOP_IFN, IOP_ALTSETTING); 240 if (ret) 241 return ret; 242 243 adap = devm_kzalloc(&usbif->dev, sizeof(struct i2c_adapter), GFP_KERNEL); 244 if (!adap) 245 return -ENOMEM; 246 > 247 strncpy(adap->name, usbdev->serial, sizeof(adap->name)); 248 adap->owner = THIS_MODULE; 249 adap->dev.parent = &usbif->dev; 250 adap->dev.of_node = usbif->dev.of_node; 251 adap->timeout = HZ; 252 adap->algo = &cp2615_i2c_algo; 253 adap->quirks = &cp2615_i2c_quirks; 254 adap->algo_data = usbif; 255 256 ret = i2c_add_adapter(adap); 257 if (ret) 258 return ret; 259 260 usb_set_intfdata(usbif, adap); 261 return ret; 262 } 263 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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