* [usb:usb-testing 34/39] drivers/usb/gadget/configfs.c:824:13: warning: variable 'ret' set but not used
@ 2023-02-07 11:37 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-02-07 11:37 UTC (permalink / raw)
To: Daniel Scally; +Cc: oe-kbuild-all, linux-usb, Greg Kroah-Hartman
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@intel.com/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@intel.com>
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
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2023-02-07 11:37 [usb:usb-testing 34/39] drivers/usb/gadget/configfs.c:824:13: warning: variable 'ret' set but not used kernel test robot
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