Hi Michal, There are new compile warnings show up in tree: mac80211-next/wip wip head: 508c78c0703016c1c83f9d4633befa28f78f9fb9 commit: b324ecb5a1a68353cebb258860c2a2e8dd33452c [31/37] mac80211: introduce channel context skeleton code config: x86_64-randconfig-s004 (attached as .config) All warnings: net/mac80211/chan.c: In function 'ieee80211_assign_vif_chanctx': net/mac80211/chan.c:210:26: warning: unused variable 'local' [-Wunused-variable] net/mac80211/chan.c: In function 'ieee80211_unassign_vif_chanctx': net/mac80211/chan.c:221:26: warning: unused variable 'local' [-Wunused-variable] vim +210 net/mac80211/chan.c 207 static void ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata, 208 struct ieee80211_chanctx *ctx) 209 { > 210 struct ieee80211_local *local = sdata->local; 211 212 lockdep_assert_held(&local->chanctx_mtx); 213 --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation