Re: [PATCH net-next 3/3] selftests/net: fix GRO coalesce test and add ext

[kernel test robot]

Hi Richard,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Richard-Gobert/net-gso-add-HBH-extension-header-offload-support/20231222-172059
base:   net-next/main
patch link:    https://lore.kernel.org/r/641157c0-f224-4910-874d-7906a48d914b%40gmail.com
patch subject: [PATCH net-next 3/3] selftests/net: fix GRO coalesce test and add ext
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231223/202312231344.sWSs5PIk-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312231344.sWSs5PIk-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   gro.c: In function 'add_ipv6_exthdr':
>> gro.c:600:13: warning: variable 'opt_len' set but not used [-Wunused-but-set-variable]
     600 |         int opt_len;
         |             ^~~~~~~

-- 
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https://github.com/intel/lkp-tests/wiki