Hi Benjamin, kernel test robot noticed the following build warnings: [auto build test WARNING on trondmy-nfs/linux-next] [also build test WARNING on linus/master v6.3-rc5 next-20230406] [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/Benjamin-Coddington/NFS-rename-nfs_client_kset-to-nfs_kset/20230406-221247 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next patch link: https://lore.kernel.org/r/706fb7c1e5bfd869165a61a51663427104567c49.1680786859.git.bcodding%40redhat.com patch subject: [PATCH 3/6] NFS: add superblock sysfs entries config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20230407/202304070050.prAZXGm5-lkp@xxxxxxxxx/config) compiler: riscv64-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/d1dbf0643a167363732daa337b0e519f44190733 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Benjamin-Coddington/NFS-rename-nfs_client_kset-to-nfs_kset/20230406-221247 git checkout d1dbf0643a167363732daa337b0e519f44190733 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash fs/nfs/ 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/202304070050.prAZXGm5-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): fs/nfs/sysfs.c: In function 'nfs_sysfs_add_server': >> fs/nfs/sysfs.c:213:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 213 | int ret; | ^~~ vim +/ret +213 fs/nfs/sysfs.c 210 211 void nfs_sysfs_add_server(struct nfs_server *server) 212 { > 213 int ret; 214 ret = kobject_init_and_add(&server->kobj, &nfs_sb_ktype, 215 &nfs_kset->kobj, "server-%d", server->s_sysfs_id); 216 } 217 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests