Message ID | 20200409082906.27427-1-madhuparnabhowmik10@gmail.com |
---|---|
State | Awaiting Upstream |
Delegated to: | David Miller |
Headers | show |
Series | [1/4] net: mac80211: util.c: Fix RCU list usage warnings | expand |
On Thu, 2020-04-09 at 13:59 +0530, madhuparnabhowmik10@gmail.com wrote: > From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> > > The function sta_info_get_by_idx() uses RCU list primitive. > It is called with local->sta_mtx held from mac80211/cfg.c. > Add lockdep expression to avoid any false positive RCU list warnings. > Applied. johannes
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index f8d5c2515829..cd8487bc6fc2 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -231,7 +231,8 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, struct sta_info *sta; int i = 0; - list_for_each_entry_rcu(sta, &local->sta_list, list) { + list_for_each_entry_rcu(sta, &local->sta_list, list, + lockdep_is_held(&local->sta_mtx)) { if (sdata != sta->sdata) continue; if (i < idx) {