Hi Enzo, Thank you for the patch! Yet something to improve: [auto build test ERROR on cifs/for-next] [also build test ERROR on next-20220722] [cannot apply to linus/master v5.19-rc7] [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/Enzo-Matsumiya/cifs-split-procfs-from-debug-code/20220724-225846 base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: i386-randconfig-a006 (https://download.01.org/0day-ci/archive/20220725/202207250111.xRaRSq5I-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 12fbd2d377e396ad61bce56d71c98a1eb1bebfa9) 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/a9bbb62b87033fb57943ff221160dbf92e84e297 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Enzo-Matsumiya/cifs-split-procfs-from-debug-code/20220724-225846 git checkout a9bbb62b87033fb57943ff221160dbf92e84e297 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "cifs_dump_mem" [fs/cifs/cifs.ko] undefined! >> ERROR: modpost: "cifs_dump_detail" [fs/cifs/cifs.ko] undefined! -- In file included from fs/cifs/cifssmb.c:31: >> fs/cifs/debug.h:14:20: warning: function 'cifs_dump_mem' has internal linkage but is not defined [-Wundefined-internal] static inline void cifs_dump_mem(char *label, void *data, int length); ^ fs/cifs/cifssmb.c:418:2: note: used here cifs_dump_mem("Invalid transact2 SMB: ", (char *)pSMB, ^ 1 warning generated. -- In file included from fs/cifs/smb1ops.c:13: >> fs/cifs/debug.h:15:20: warning: function 'cifs_dump_detail' has internal linkage but is not defined [-Wundefined-internal] static inline void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info); ^ fs/cifs/smb1ops.c:1172:17: note: used here .dump_detail = cifs_dump_detail, ^ 1 warning generated. -- fs/cifs/connect.c:2739:24: warning: variable 'saddr4' set but not used [-Wunused-but-set-variable] struct sockaddr_in *saddr4; ^ In file included from fs/cifs/connect.c:39: >> fs/cifs/debug.h:14:20: warning: function 'cifs_dump_mem' has internal linkage but is not defined [-Wundefined-internal] static inline void cifs_dump_mem(char *label, void *data, int length); ^ fs/cifs/connect.c:1054:3: note: used here cifs_dump_mem("Bad SMB: ", buf, ^ 2 warnings generated. -- 0-DAY CI Kernel Test Service https://01.org/lkp