Hi Pablo, I love your patch! Perhaps something to improve: [auto build test WARNING on net-next/master] [cannot apply to v5.4-rc3 next-20191014] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Pablo-Neira-Ayuso/flow_offload-update-mangle-action-representation/20191015-061232 reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-43-g0ccb3b4-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) net/sched/cls_api.c:200:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] protocol @@ got icted __be16 [usertype] protocol @@ net/sched/cls_api.c:200:22: sparse: expected restricted __be16 [usertype] protocol net/sched/cls_api.c:200:22: sparse: got unsigned int [usertype] protocol net/sched/cls_api.c:1587:16: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1587:16: sparse: struct tcf_proto * net/sched/cls_api.c:1587:16: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1680:20: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1680:20: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1680:20: sparse: struct tcf_proto * net/sched/cls_api.c:1643:25: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1643:25: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1643:25: sparse: struct tcf_proto * net/sched/cls_api.c:1662:16: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1662:16: sparse: struct tcf_proto * net/sched/cls_api.c:1662:16: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1727:25: sparse: sparse: restricted __be16 degrades to integer net/sched/cls_api.c:2372:50: sparse: sparse: restricted __be16 degrades to integer >> net/sched/cls_api.c:3396:27: sparse: sparse: symbol 'tc_proto_udp_hdr' was not declared. Should it be static? >> net/sched/cls_api.c:3499:27: sparse: sparse: cast to restricted __be32 >> net/sched/cls_api.c:3499:27: sparse: sparse: cast to restricted __be32 >> net/sched/cls_api.c:3499:27: sparse: sparse: cast to restricted __be32 >> net/sched/cls_api.c:3499:27: sparse: sparse: cast to restricted __be32 >> net/sched/cls_api.c:3499:27: sparse: sparse: cast to restricted __be32 >> net/sched/cls_api.c:3499:27: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3533:33: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3533:33: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3533:33: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3533:33: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3533:33: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3533:33: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3543:25: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3543:25: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3543:25: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3543:25: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3543:25: sparse: sparse: cast to restricted __be32 net/sched/cls_api.c:3543:25: sparse: sparse: cast to restricted __be32 Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation