Hi Reji, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.9 next-20201013] [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/Reji-Thomas/IPv6-sr-Fix-End-X-ne... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 865c50e1d279671728c2936cb7680eb89355eeea config: x86_64-randconfig-s022-20201013 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-rc1-dirty # https://github.com/0day-ci/linux/commit/8d40085b9b014197ce7a7e8927730796b... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Reji-Thomas/IPv6-sr-Fix-End-X-nexthop-to-use-oif/20201013-204935 git checkout 8d40085b9b014197ce7a7e8927730796bf50adb0 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" 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