Hi Joanne, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/Update-bhash2-when-socket-s-rcv-saddr-changes/20220602-050108 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 7e062cda7d90543ac8c7700fc7c5527d0c0f22ad config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20220602/202206021442.Rb7gLaDQ-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-14-g5a0004b5-dirty # https://github.com/intel-lab-lkp/linux/commit/d4e9d3ab2c5210670fbe995cc8b13310a5aa6310 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Joanne-Koong/Update-bhash2-when-socket-s-rcv-saddr-changes/20220602-050108 git checkout d4e9d3ab2c5210670fbe995cc8b13310a5aa6310 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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> sparse warnings: (new ones prefixed by >>) >> net/ipv4/inet_hashtables.c:830:5: sparse: sparse: symbol '__inet_bhash2_update_saddr' was not declared. Should it be static? Please review and possibly fold the followup patch. -- 0-DAY CI Kernel Test Service https://01.org/lkp