Hi Jussi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Jussi-Maki/net-bonding-Refactor-... base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: m68k-randconfig-s032-20210713 (attached as .config) compiler: m68k-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: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/127745a2455bc3577cdcafb06381fa4da... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jussi-Maki/net-bonding-Refactor-bond_xmit_hash-for-use-with-xdp_buff/20210707-211616 git checkout 127745a2455bc3577cdcafb06381fa4da354f8c2 # 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=m68k 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 >>) drivers/net/bonding/bond_main.c:2671:26: sparse: sparse: restricted __be16 degrades to integer drivers/net/bonding/bond_main.c:2677:20: sparse: sparse: restricted __be16 degrades to integer drivers/net/bonding/bond_main.c:2724:40: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] vlan_proto @@ got int @@ drivers/net/bonding/bond_main.c:2724:40: sparse: expected restricted __be16 [usertype] vlan_proto drivers/net/bonding/bond_main.c:2724:40: sparse: got int drivers/net/bonding/bond_main.c:4632:16: sparse: expected struct bond_up_slave *slaves drivers/net/bonding/bond_main.c:4632:16: sparse: got struct bond_up_slave [noderef] __rcu *usable_slaves drivers/net/bonding/bond_main.c:3563:52: sparse: sparse: restricted __be16 degrades to integer drivers/net/bonding/bond_main.c:3563:52: sparse: sparse: restricted __be16 degrades to integer vim +4632 drivers/net/bonding/bond_main.c 4623 4624 static struct slave *bond_xdp_xmit_3ad_xor_slave_get(struct bonding *bond, 4625 struct xdp_buff *xdp) 4626 { 4627 struct bond_up_slave *slaves; 4628 unsigned int count; 4629 u32 hash; 4630 4631 hash = bond_xmit_hash_xdp(bond, xdp); 4633 count = slaves ? READ_ONCE(slaves->count) : 0; 4634 if (unlikely(!count)) 4635 return NULL; 4636 4637 return slaves->arr[hash % count]; 4638 } 4639 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org