Hi Ji-Ze, kernel test robot noticed the following build warnings: [auto build test WARNING on mkl-can-next/testing] [also build test WARNING on linus/master v6.4-rc1 next-20230509] [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/Ji-Ze-Hong-Peter-Hong/can-usb-f81604-add-Fintek-F81604-support/20230509-154045 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing patch link: https://lore.kernel.org/r/20230509073821.25289-1-peter_hong%40fintek.com.tw patch subject: [PATCH V7] can: usb: f81604: add Fintek F81604 support config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230509/202305091802.pRFS6n2j-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/9549380f8d5eea359f8c83f48e10a0becfd13541 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ji-Ze-Hong-Peter-Hong/can-usb-f81604-add-Fintek-F81604-support/20230509-154045 git checkout 9549380f8d5eea359f8c83f48e10a0becfd13541 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/net/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305091802.pRFS6n2j-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/net/can/usb/f81604.c: In function 'f81604_read_bulk_callback': >> drivers/net/can/usb/f81604.c:440:67: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'unsigned int' [-Wformat=] 440 | netdev_warn(netdev, "URB length %u not equal to %lu\n", | ~~^ | | | long unsigned int | %u 441 | urb->actual_length, sizeof(*frame)); | ~~~~~~~~~~~~~~ | | | unsigned int vim +440 drivers/net/can/usb/f81604.c 411 412 static void f81604_read_bulk_callback(struct urb *urb) 413 { 414 struct f81604_can_frame *frame = urb->transfer_buffer; 415 struct net_device *netdev = urb->context; 416 int ret; 417 418 if (!netif_device_present(netdev)) 419 return; 420 421 if (urb->status) 422 netdev_info(netdev, "%s: URB aborted %pe\n", __func__, 423 ERR_PTR(urb->status)); 424 425 switch (urb->status) { 426 case 0: /* success */ 427 break; 428 429 case -ENOENT: 430 case -EPIPE: 431 case -EPROTO: 432 case -ESHUTDOWN: 433 return; 434 435 default: 436 goto resubmit_urb; 437 } 438 439 if (urb->actual_length != sizeof(*frame)) { > 440 netdev_warn(netdev, "URB length %u not equal to %lu\n", 441 urb->actual_length, sizeof(*frame)); 442 goto resubmit_urb; 443 } 444 445 f81604_process_rx_packet(netdev, frame); 446 447 resubmit_urb: 448 ret = usb_submit_urb(urb, GFP_ATOMIC); 449 if (ret == -ENODEV) 450 netif_device_detach(netdev); 451 else if (ret) 452 netdev_err(netdev, 453 "%s: failed to resubmit read bulk urb: %pe\n", 454 __func__, ERR_PTR(ret)); 455 } 456 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
