Hi Justin,

Thank you for the patch! Perhaps something to improve:

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

url:    
https://github.com/0day-ci/linux/commits/Justin-Iurman/Support-for-the-IOAM-Pre-allocated-Trace-with-IPv6/20210311-005727
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 
d310ec03a34e92a77302edb804f7d68ee4f01ba0
:::::: branch date: 2 hours ago
:::::: commit date: 2 hours ago
config: sparc64-randconfig-s032-20210310 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-262-g5e674421-dirty
        # 
https://github.com/0day-ci/linux/commit/f20771586508a195a44298f251d68446c10830ce
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Justin-Iurman/Support-for-the-IOAM-Pre-allocated-Trace-with-IPv6/20210311-005727
        git checkout f20771586508a195a44298f251d68446c10830ce
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sparc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>


"sparse warnings: (new ones prefixed by >>)"
>> net/ipv6/ioam6.c:856:1: sparse: sparse: unused label 'out_unregister_genl'

vim +/out_unregister_genl +856 net/ipv6/ioam6.c

f20771586508a1 Justin Iurman 2021-03-10  851  
e1a4cb7c14f537 Justin Iurman 2021-03-10  852    pr_info("In-situ OAM (IOAM) 
with IPv6\n");
ffece959dfe59a Justin Iurman 2021-03-10  853  
ffece959dfe59a Justin Iurman 2021-03-10  854  out:
ffece959dfe59a Justin Iurman 2021-03-10  855    return err;
f20771586508a1 Justin Iurman 2021-03-10 @856  out_unregister_genl:
f20771586508a1 Justin Iurman 2021-03-10  857    
genl_unregister_family(&ioam6_genl_family);
ffece959dfe59a Justin Iurman 2021-03-10  858  out_unregister_pernet_subsys:
ffece959dfe59a Justin Iurman 2021-03-10  859    
unregister_pernet_subsys(&ioam6_net_ops);
ffece959dfe59a Justin Iurman 2021-03-10  860    goto out;
e1a4cb7c14f537 Justin Iurman 2021-03-10  861  }
e1a4cb7c14f537 Justin Iurman 2021-03-10  862  

---
0-DAY CI Kernel Test Service, Intel Corporation
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