Hi Jean, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net/master] [also build test WARNING on ipvs/master linus/master v5.10-rc5] [cannot apply to net-next/master next-20201127] [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] url: https://github.com/0day-ci/linux/commits/Jean-Pihet/net-dsa-ksz-pad-frame-to-64-bytes-for-transmission/20201129-182750 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 4d521943f76bd0d1e68ea5e02df7aadd30b2838a config: i386-randconfig-s031-20201129 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-170-g3bc348f6-dirty # https://github.com/0day-ci/linux/commit/5a255bc7fbe20060c6f86dfaa0bbe9fbcd024128 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jean-Pihet/net-dsa-ksz-pad-frame-to-64-bytes-for-transmission/20201129-182750 git checkout 5a255bc7fbe20060c6f86dfaa0bbe9fbcd024128 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot "sparse warnings: (new ones prefixed by >>)" >> drivers/net/dsa/microchip/ksz8795.c:1114:6: sparse: sparse: symbol 'ksz8795_adjust_link' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org