tree: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git bpf head: 772b164e17bd40659b5a45e26389e4d9418162e4 commit: 772b164e17bd40659b5a45e26389e4d9418162e4 [9/9] mac80211: support bpf monitor filter reproduce: # apt-get install sparse git checkout 772b164e17bd40659b5a45e26389e4d9418162e4 make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute >> net/mac80211/iface.c:1113:40: sparse: incompatible types in comparison expression (different address spaces) net/mac80211/iface.c:1115:17: sparse: incompatible types in comparison expression (different address spaces) -- include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute >> net/mac80211/cfg.c:110:40: sparse: incompatible types in comparison expression (different address spaces) net/mac80211/cfg.c:113:25: sparse: incompatible types in comparison expression (different address spaces) -- include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute >> net/mac80211/rx.c:573:26: sparse: incompatible types in comparison expression (different address spaces) vim +1113 net/mac80211/iface.c 1097 static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata) 1098 { 1099 int i; 1100 1101 /* free extra data */ 1102 ieee80211_free_keys(sdata, false); 1103 1104 ieee80211_debugfs_remove_netdev(sdata); 1105 1106 for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) 1107 __skb_queue_purge(&sdata->fragments[i].skb_list); 1108 sdata->fragment_next = 0; 1109 1110 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1111 ieee80211_mesh_teardown_sdata(sdata); 1112 } else if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { > 1113 struct bpf_prog *old = rtnl_dereference(sdata->u.mntr.filter); 1114 1115 RCU_INIT_POINTER(sdata->u.mntr.filter, NULL); 1116 if (old) 1117 bpf_prog_put(old); 1118 } 1119 } 1120 1121 static void ieee80211_uninit(struct net_device *dev) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation