tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: cf13d6e4a9aa6639c173fd630d82d586a2322ff9 commit: 15a7cf8caabee4613764abe7814dd3162cb64137 [34/39] usb: gadget: configfs: Support arbitrary string descriptors config: arm64-buildonly-randconfig-r002-20230207 (https://download.01.org/0day-ci/archive/20230207/202302071942.wrmMMxiA-lkp@xxxxxxxxx/config) compiler: aarch64-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://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?id=15a7cf8caabee4613764abe7814dd3162cb64137 git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch --no-tags usb usb-testing git checkout 15a7cf8caabee4613764abe7814dd3162cb64137 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/usb/gadget/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/usb/gadget/configfs.c: In function 'gadget_string_s_store': >> drivers/usb/gadget/configfs.c:824:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 824 | int ret; | ^~~ vim +/ret +824 drivers/usb/gadget/configfs.c 818 819 static ssize_t gadget_string_s_store(struct config_item *item, const char *page, 820 size_t len) 821 { 822 struct gadget_string *string = to_gadget_string(item); 823 int size = min(sizeof(string->string), len + 1); > 824 int ret; 825 826 if (len > USB_MAX_STRING_LEN) 827 return -EINVAL; 828 829 ret = strscpy(string->string, page, size); 830 return len; 831 } 832 CONFIGFS_ATTR(gadget_string_, s); 833 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests