tree: https://github.com/jpirko/linux_mlxsw petrm_wip4 head: 762771d39235289a988465b66509744f59996c66 commit: 762771d39235289a988465b66509744f59996c66 [5/5] wip config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-193-gb8fad4bc-dirty git checkout 762771d39235289a988465b66509744f59996c66 # save the attached .config to linux build tree make C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) net/sched/cls_api.c:270:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] protocol @@ got icted __be16 [usertype] protocol @@ net/sched/cls_api.c:270:22: sparse: expected restricted __be16 [usertype] protocol net/sched/cls_api.c:270:22: sparse: got unsigned int [usertype] protocol net/sched/cls_api.c:1734:16: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1734:16: sparse: struct tcf_proto * net/sched/cls_api.c:1734:16: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1834:20: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1834:20: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1834:20: sparse: struct tcf_proto * net/sched/cls_api.c:1796:25: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1796:25: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1796:25: sparse: struct tcf_proto * net/sched/cls_api.c:1816:16: sparse: sparse: incompatible types in comparison expression (different address spaces): net/sched/cls_api.c:1816:16: sparse: struct tcf_proto * net/sched/cls_api.c:1816:16: sparse: struct tcf_proto [noderef] <asn:4> * net/sched/cls_api.c:1881:25: sparse: sparse: restricted __be16 degrades to integer net/sched/cls_api.c:2556:50: sparse: sparse: restricted __be16 degrades to integer net/sched/cls_api.c:3894:37: sparse: got struct tcf_proto [noderef] <asn:4> *filter_chain net/sched/cls_api.c:3785:9: sparse: sparse: context imbalance in 'tc_setup_flow_action' - different lock contexts for basic block vim +3894 net/sched/cls_api.c 3880 3881 struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, 3882 struct sk_buff *skb, struct sk_buff **to_free, 3883 int *ret) 3884 { 3885 struct tcf_result cl_res; 3886 struct tcf_proto *fl; 3887 3888 if (!qe->info.block_index) 3889 return skb; 3890 3891 fl = rcu_dereference_bh(qe->filter_chain); 3892 3893 printk(KERN_WARNING "qevent\n"); 3895 case TC_ACT_SHOT: 3896 qdisc_qstats_drop(sch); 3897 __qdisc_drop(skb, to_free); 3898 *ret = __NET_XMIT_BYPASS; 3899 return NULL; 3900 case TC_ACT_STOLEN: 3901 case TC_ACT_QUEUED: 3902 case TC_ACT_TRAP: 3903 __qdisc_drop(skb, to_free); 3904 *ret = __NET_XMIT_STOLEN; 3905 return NULL; 3906 case TC_ACT_REDIRECT: 3907 skb_do_redirect(skb); 3908 *ret = __NET_XMIT_STOLEN; 3909 return NULL; 3910 } 3911 3912 return skb; 3913 } 3914 EXPORT_SYMBOL(tcf_qevent_handle); 3915 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org